NEW CENTURY ENERGIES INC
U5B, 1997-12-02
ELECTRIC & OTHER SERVICES COMBINED
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<PAGE>

                      SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C.
                                       
                                       
                                   FORM U5B
                            REGISTRATION STATEMENT
                      Filed Pursuant to Section 5 of the
                  Public Utility Holding Company Act of 1935
                                       
                                       
                          New Century Energies, Inc.

                          --------------------------

                              Name of Registrant

              Name, Title and Address of Officer to whom Notices
                 and Correspondence concerning this Statement
                              should be Addressed


                               Teresa S. Madden
                      Controller and Corporate Secretary
                          New Century Energies, Inc.
                            1225 Seventeenth Street
                               Denver, CO 80202

<PAGE>

                           Glossary of Defined Terms
                          ---------------------------

When used herein, the following terms shall have the meanings set forth below:

<TABLE>
   <S>                   <C>
   Act                   Public Utility Holding Company Act of 1935, as amended

   1480 Welton           1480 Welton, Inc.

   Cheyenne              Cheyenne Light, Fuel and Power Company

   e prime               e prime, inc.

   EWG                   Exempt wholesale generator as defined in Section 32 of the Act

   FERC                  Federal Energy Regulatory Commission

   FUCO                  Foreign utility company as defined in Section 33 of the Act.

   Fuelco                Fuel Resources Development Co., a dissolved Colorado corporation

   Merger                The business combination between PSCo and SPS

   Merger U-1            The Form U-1 Application/Declaration filed by NCE in File No. 70-8787, as amended

   Natural Fuels         Natural Fuels Corporation

   NCE                   New Century Energies, Inc.

   NCI                   New Century International, Inc.

   NCS                   New Century Services, Inc.

   NC Enterprises        NC Enterprises, Inc.

   PSCCC                 PS Colorado Credit Corporation

   PSCo                  Public Service Company of Colorado

   PSR                   PSR Investments, Inc.

   Quixx                 Quixx Corporation

   SPS                   Southwestern Public Service Company

   UE                    Utility Engineering Corporation

   WGI                   WestGas Interstate, Inc.
</TABLE>

                                             2

<PAGE>

                            REGISTRATION STATEMENT

     The undersigned holding company hereby submits its registration statement
to the Commission pursuant to Section 5 of the Act.

1.   Exact name of registrant: New Century Energies, Inc.


2.   Address of principal executive offices: 1225 Seventeenth Street, Denver,
Colorado 80202


3.   Name and address of chief accounting officer:  
          Teresa S. Madden
          Controller and Corporate Secretary
          New Century Energies, Inc.
          1225 Seventeenth Street
          Denver, CO 80202


4.   Certain information as to the registrant and each subsidiary company 
thereof:

<TABLE>
              COL. A                           COL. B        COL. C     COL. D                  COL. E

                                                                       DATE OF                  TYPE OF
         NAME OF COMPANY                    ORGANIZATION     STATE   INCORPORATION              BUSINESS
         ---------------                    ------------     -----   -------------              --------
<S>                                         <C>              <C>     <C>                  <C>
New Century Energies, Inc.                  Corporation       DE     August 21, 1995      Holding company

  Public Service Company of Colorado        Corporation       CO     September 3, 1924    Electric and gas utility

    1480 Welton, Inc.                       Corporation       CO     April 11, 1958       Utility real estate

    P.S.R. Investments, Inc.                Corporation       CO     December 17, 1985    Employee life insurance

    Green and Clear Lakes Company           Corporation       NY     November 13, 1886    Hydroelectric water storage

    Fuel Resources Development Co.          Corporation(1)    CO     December 11, 1970    Natural gas exploration

    Baugh Lateral Ditch Company             Corporation       CO     February 21, 1914    Ditch company

    The Beeman Irrigating Ditch and         Corporation       CO     March 29, 1905       Ditch company
    Milling Company                         

    Consolidated Extension Canal Company    Corporation       CO     August 22, 1910      Ditch company

    East Boulder Ditch Company              Corporation       CO     June 30, 1865        Ditch company

    Enterprise Irrigating Ditch Company     Corporation       CO     December 20, 1898    Ditch company

    Fisher Ditch Company                    Corporation       CO     March 14, 1921       Ditch company

    Hillcrest Ditch and Reservoir Company   Corporation       CO     May 27, 1918         Ditch company

    Jones and Donnelly Ditch Company        Corporation       CO     January 14, 1974     Ditch company

    Las Animas Consolidated Canal Company   Corporation       CO     February 15, 1941    Ditch company

    United Water Company                    Corporation       CO     September 3, 1916    Ditch company

  Southwestern Public Service Company       Corporation       NM     August 17, 1921      Electric utility company
</TABLE>

- --------------------
(1) In dissolution under Colorado law.


                                       3

<PAGE>
<TABLE>
              COL. A                           COL. B         COL. C     COL. D                  COL. E

                                                                        DATE OF                  TYPE OF
         NAME OF COMPANY                    ORGANIZATION      STATE   INCORPORATION              BUSINESS
         ---------------                    ------------      -----   -------------              --------
<S>                                         <C>               <C>     <C>                  <C>
    Cheyenne Light, Fuel and Power Company  Corporation        WY     May 21, 1900         Electric and gas utility company

    WestGas InterState, Inc.                Corporation        CO     May 3, 1990          Gas pipeline company

    PS Colorado Credit Corporation(2)       Corporation        CO     July 14, 1986        Financing/factoring company

    New Century Services, Inc.              Corporation        DE     April 2, 1997        Service company

    NC Enterprises, Inc.                    Corporation        DE     April 3, 1997        Non-utility holding company

      New Century-Cadence, Inc.             Corporation        CO     August 28, 1997      Energy services

        Cadence Network LLC              Limited Liability     DE     September 3, 1997    Energy services
                                               Company

      Quixx Corporation                      Corporation       TX     August 14, 1985      IPP & cogeneration 
                                                                                           development; railcar services;
                                                                                           water rights; other non-utility
                                                                                           investments

        BCH Energy, Limited             Limited Partnership    DE     May 26, 1992         QF ownership - Inactive
        Partnership
        (Limited Partner)               

        Quixx Louisville, L.L.C.         Limited liability     DE     March 14, 1994       Steam generation
        (formerly Vedco Louisville,           company         
        L.L.C.)                               

        Quixx Jamaica Power, Inc.            Corporation       DE     March 4, 1997        EWG holding company

        KES Montego, Inc.                    Corporation       DE     September 9, 1994    EWG holding company

            KES Jamaica, L.P.           Limited partnership    DE     September 9, 1994    EWG
            (General Partner)           

        Quixx Jamaica, Inc.                  Corporation       DE     December 7, 1994     EWG holding company

            KES Jamaica, L.P.           Limited partnership    DE     September 9, 1994    EWG
            (Limited Partner)           

        Carolina Energy, Limited        Limited partnership    DE     January 12, 1993     QF ownership - Inactive
        Partnership
        (Limited Partner)               

        Quixx Carolina, Inc.                 Corporation       TX     June 23, 1995        QF holding company

            Carolina Energy, Limited    Limited partnership    DE     January 12, 1993     QF ownership
            Partnership
            (General Partner)               

        Windpower Partners 1994,        Limited partnership    DE     December 30, 1994    QF ownership
        L.P.
        (Limited Partner)               

        Quixx Mustang Station, Inc.          Corporation       DE     October 4, 1996      EWG holding company

            Denver City Energy          Limited partnership    DE     November 6, 1996     EWG ownership 
            Associates, L.P.
            (General Partner)           

        Quixx WPP94, Inc.                    Corporation       TX     December 16, 1994    QF holding company

            Windpower Partners          Limited partnership    DE     December 30, 1994    QF ownership
            1994, L.P.
            (General Partner)           

        Quixx Power Services, Inc.           Corporation       TX     October 13, 1993     IPP & cogeneration operation 
                                                                                           and maintenance services
</TABLE>

- --------------------
(2) Presently a direct subsidiary of Public Service Company of Colorado but 
    expected to become a direct subsidiary of NCE


                                       4

<PAGE>
<TABLE>
              COL. A                           COL. B         COL. C     COL. D                  COL. E

                                                                        DATE OF                  TYPE OF
         NAME OF COMPANY                    ORGANIZATION      STATE   INCORPORATION              BUSINESS
         ---------------                    ------------      -----   -------------              --------
<S>                                         <C>               <C>     <C>                  <C>
        Quixx WRR, L.P.                 Limited partnership    TX     February 9, 1996     QF ownership and ownership 
        (General Partner)                                                                  of water rights

        Quixx Resources, Inc.                Corporation       NV     December 8, 1995     Ownership of water rights, 
                                                                                           QF, and EWG

            Quixx WRR, L.P.             Limited partnership    TX     February 9, 1996     QF ownership and ownership 
            (Limited Partner)                                                              of water rights
                                                                                           

            Borger Energy               Limited partnership    DE     May 6, 1997          QF ownership
            Associates, L.P.
            (Limited Partner)           

            Denver City Energy          Limited partnership    DE     November 6, 1996     EWG ownership
            Associates, L.P.
            (Limited Partner)           

        Quixx Borger Cogen, Inc.             Corporation       DE     March 13, 1997       QF holding company

            Borger Energy               Limited partnership    DE     May 6, 1997          QF ownership
            Associates, L.P.
           (General Partner)            

        Quixxlin Corp.                       Corporation       DE     July 16, 1997        QF holding company 

            Quixx Linden, L.P.          Limited partnership    DE     June 25, 1996        QF ownership
            (General Partner)           

        Quixx Linden, L.P. (Limited     Limited partnership    DE     June 25, 1996        QF ownership
        Partner)                        

        Mosbacher Power Group,           Limited liability     DE     July 12, 1995        EWG and FUCO development 
        L.L.C.                               company                                       and ownership

        Mosbacher Power                  Limited liability     DE     July 12, 1995        EWG and FUCO development 
        International, L.L.C.                company                                       and ownership

    Utility Engineering Corporation          Corporation       TX     August 14, 1985      Engineering services and
                                                                                           construction management

        Universal Utility Services           Corporation       TX     May 2, 1996          Cooling tower maintenance 
        Company                              
                                                                                           and resource recovery

        Precision Resource Company           Corporation       TX     May 6, 1996          Human resource services

        Vista Environmental Services     Limited liability     TX     May 1, 1995          Environmental consulting 
        Company, L.L.C.                       company                                      services
                                              

    Natural Fuels Corporation                Corporation       CO     July 1, 1995         Commercialization of 
                                                                                           compressed natural gas

        Natural/Total Limited            Limited liability     WY     November 14, 1991    Commercialization of 
        Liability Company                     company                                      compressed natural gas

            Natural/Total/KN             Limited partnership   CO     October 1, 1992      Commercialization of 
            Limited Partnership          
                                                                                           compressed natural gas

        Natural/Peoples Limited          Limited liability     WY     April 8,1994         Commercialization of 
        Liability Company                     company                                      compressed natural gas

    New Century International, Inc.(3)       Corporation       DE     February 12, 1997    FUCO holding company

        Yorkshire Power Group                Corporation       UK     July 19, 1996        FUCO holding company
        Limited                              

            Yorkshire Holdings plc           Corporation       UK     February 14, 1997    FUCO holding company
</TABLE>

- --------------------
(3) Presently a direct subsidiary of PSCo, but expected to become a direct 
    subsidiary of NC Enterprises, Ince.


                                       5

<PAGE>
<TABLE>
              COL. A                           COL. B         COL. C     COL. D                  COL. E

                                                                        DATE OF                  TYPE OF
         NAME OF COMPANY                    ORGANIZATION      STATE   INCORPORATION              BUSINESS
         ---------------                    ------------      -----   -------------              --------
<S>                                         <C>               <C>     <C>                  <C>
            Yorkshire                        Corporation       UK     April 1, 1989        FUCO
            Electricity Group plc            

        The Independent Power                Corporation       UK     September 1, 1995    Planned FUCO
        Corporation plc                      

    e prime, inc.                            Corporation       CO     January 30, 1995     Energy services; IPP,
                                                                                           cogeneration, and ETC ownership

        Young Gas Storage Company            Corporation       DE     July 6, 1993         Natural gas storage

            Young Gas Storage           Limited partnership    CO     June 30, 1993        Natural gas storage
            Company, Ltd.               

        Texas-Ohio Gas, Inc.                 Corporation       TX     August 12, 1987      Energy marketing

        Texas-Ohio Pipeline, Inc.            Corporation       TX     June 22, 1990        Natural gas pipeline

        ep3, L.L.C.                      Limited liability     DE     June 3,1996          Foreign EWG and FUCO 
                                              company                                      development

        Johnstown Cogeneration           Limited liability     CO     February 8, 1996     QF ownership
        Company, L.L.C.                  

        e prime Telecom, Inc.                Corporation       CO     November 26, 1996    ETC

        e prime Networks, Inc.               Corporation       CO     December 18, 1996    Meter reading network 
                                                                                           (possible ETC)

        e prime projects                     Corporation       DE     February 26, 1997    EWG
        international, inc.(4)               

            Kazak Power Partners 
            Limited                          Corporation       UK     October 31, 1996     (Inactive)

            e prime operating, inc.          Corporation       DE     February 26, 1997    EWG

        e prime (Belize) limited             Corporation     Belize   May 6, 1995          (Inactive)

        e prime Energy Marketing, Inc.       Corporation       CO     March 31, 1997       Energy marketing
</TABLE>


                                   BUSINESS

5.   (a)  The general character of the business done by the registrant and its
     subsidiaries, separated as between the holding companies, public utility
     subsidiaries (as defined in the Act) and the various nonutility
     subsidiaries.

          Information regarding the general character of the business of New
     Century Energies, Inc. and its subsidiaries is set forth in Exhibit I-1,
     New Century Energies Subsidiaries and Investments and in Item 1.B of the
     Merger U-1.  Information regarding the statistics relating to sales,
     purchases, operating revenues, and customers for PSCo and its subsidiaries
     and SPS and its subsidiaries during the past five years can be found in
     the following documents, the applicable portions of which are hereby
     incorporated by reference: Item 1 of the Annual  Report of PSCo on 
     Form 10-K for the period ending December 31, 1996 (File No. 1-3280); 
     Item 1 of the Annual Report of SPS on Form 10-K for the period ending 
     August 31, 1995 (File No. 1-3789) and Item 1 of the Annual Report of 
     SPS on Form 10-K for the transition period from September 1, 1996 to 
     December 31, 1996 (File No. 1-3789).


- --------------------
(4)  As comtemplated in the Merger U-1, some or all of the e prime EWGs may be
     reclassified as FUCOs and become direct subsidiaries of New Century 
     International, Inc.


                                       6
<PAGE>

     (b)  Any substantial changes which may have occurred in the general
     character of the business of such companies during the preceding five
     years.

          OMITTED BY PERMISSION OF THE STAFF.

                                       
                                   PROPERTY


6.   Describe briefly the general character and location of the principal
     plants, properties, and other important physical units of the registrant
     and its subsidiaries, showing separately (a) public utility and (b) other
     properties.  If any principal plant or important unit is not held in fee,
     so state and describe how held.

          Information regarding the principal plants, properties and other
     important physical units of NCE and its subsidiaries is set forth in 
     the following documents, the applicable portions of which are hereby
     incorporated by reference:  Item 1.B.2 of the Merger U-1; Item 2 of the
     Annual Report of PSCo on Form 10-K for the year ended December 31, 1996
     (File No. 1-3280); and Item 2 of the Annual Report of SPS on Form 10-K 
     for the transition period from September 1, 1996 to December 31, 1996 
     (File No. 1-3789).

                                       
                            INTERSTATE TRANSACTIONS


7.   For each public utility company in the holding company system of the
     registrant which is engaged in the transmission of electric energy or 
     gas in interstate commerce, furnish the following information for the 
     last calendar year:

          Public Service Company of  Colorado and Southwestern Public Service
     Company have on file with the Federal Energy Regulatory Commission their
     1996 FERC Form No. 1's which include information related to the
     transmission of electric energy.  These reports have also been provided 
     as Exhibits G-1 and G-4, respectively.
     
          The following information relates to WestGas Interstate's gas
     transmission received in and out of Colorado:
     
                                Year                 Gas Dth
                    ---------------------------     ---------

                    Total Annual Sales              3,379,948
                    
                    Delivered out of State          3,379,948
                    
                    Received from out of State              0

                                       
                            SECURITIES OUTSTANDING


8.   Submit the following information concerning the registrant and each
     subsidiary thereof as of the latest available date:

                                       
                                  FUNDED DEBT

     (a)  For each issue or series of funded debt, including funded debt
     secured by liens on property owned, whether or not such debt has been
     assumed:  (Do not include here any contingent liabilities reported 
     under paragraph 8(c).)
                                       


                                       7
<PAGE>
                                       
                            AS OF SEPTEMBER 30, 1997
                                       
          BY PERMISSION OF THE STAFF, COLUMNS E THROUGH I HAVE BEEN OMITTED


<TABLE>
                                                                                        Amount Issued
                                                                  Amount Authorized      Less Retired
Name of Obligor                   Title of Issue                       ($000)               ($000)
     (a)                               (b)                              (c)                   (d)
- -----------------------------------------------------------------------------------------------------
<S>                 <C>                                           <C>                   <C>
PSCo                First Collateral Trust Bonds                       134,500              134,500
                    6 3/8% series due November 1, 2005                 

PSCo                First Collateral Trust Bonds                       102,667              102,667
                    6%  series due January 1, 2001                     

PSCo                First Collateral Trust Bonds                       110,000              110,000
                    7 1/4% series due January 1, 2024                  

PSCo                First Collateral Trust Bonds                       125,000              125,000
                    7 1/8% series due June 1, 2006                     

PSCo                First Mortgage Bonds                                25,000               25,000
                    6 3/4% series due July 1, 1998                     

PSCo                First Mortgage Bonds                                75,000               75,000
                    9 7/8% series due July 1, 2020                     

PSCo                First Mortgage Bonds                               100,000              100,000
                    8 1/8% series due March 1, 2004                    

PSCo                First Mortgage Bonds                               150,000              150,000
                    8 3/4% series due March 1, 2022                    

PSCo                First Mortgage Bonds                                24,000               22,000
                    Pollution Control Series A
                    5 7/8% series due March 1, 2004                    

PSCo                First Mortgage Bonds                                27,250               27,250
                    Pollution Control Series F
                    7 3/8% series due November 1, 2009                 

PSCo                First Mortgage Bonds                                18,000               18,000
                    Pollution Control Series G
                    5 5/8% series due April 1, 2008                    

PSCo                First Mortgage Bonds                                61,500               61,500
                    Pollution Control Series G
                    5 7/8% series due April 1, 2014                    

PSCo                First Mortgage Bonds                                50,000               50,000
                    Pollution Control Series H
                    5 1/2% series due June 1, 2012                     

PSCo                Medium Term Notes                                  200,000              200,000
                    Series A - 6.66% to 9.25%
                    Due October 30, 1997 to October 30, 2002           

PSCo                Medium Term Notes                                  250,000              250,000
                    Series B - 6.05% to 7.11%
                    Due November 29, 1999 to March 5, 2007             

PSCo                Medium Term Notes                                  150,000              150,000
                    Series C - 5.96% to 6.23%
                    Due December 4, 1997 to September 4, 1998          

SPS                 First Mortgage Bonds                               135,000              135,000
                    7.25% series due July 15, 2004                     

SPS                 First Mortgage Bonds                                40,000               40,000
                    8.25% series due July 15, 2022                     
</TABLE>



                                       8
<PAGE>


<TABLE>
                                                                                        Amount Issued
                                                                  Amount Authorized      Less Retired
Name of Obligor                   Title of Issue                       ($000)               ($000)
     (a)                               (b)                              (c)                   (d)
- -----------------------------------------------------------------------------------------------------
<S>                 <C>                                           <C>                   <C>
SPS                 First Mortgage Bonds                                90,000               90,000
                    6.875% series due December 1, 1999                 

SPS                 First Mortgage Bonds                               100,000              100,000
                    8.2% series due December 1, 2022                   

SPS                 First Mortgage Bonds                                70,000               70,000
                    8.5% series due February 15, 2025                  

SPS                 First Mortgage Bonds                                60,000               60,000
                    6.5% series due March 1, 2006                      

SPS                 Pollution Control Bonds not collateralized          44,500               44,500
                    by First Mortgage Bonds
                    Variable % series, due July 1, 2011                

SPS                 Pollution Control Bonds, not collateralized         57,300               57,300
                    by First Mortgage Bonds
                    5.75% series, due September 1, 2016                

SPS                 Pollution Control Bonds not collateralized          25,000               25,000
                    by First Mortgage Bonds
                    6.435% series, due July 1, 2016                    

SPS                 Obligated Mandatorily Redeemable                   100,000              100,000
                    Preferred Securities
                    7.85% series, due September 1, 2021                

Cheyenne            First Mortgage Bonds 7 7/8% series,                  4,000                4,000
                    due April 1, 2003          

Cheyenne            First Mortgage Bonds 7.50% series,                   8,000                8,000
                    due January 1, 2024                                

Cheyenne            First Mortgage Bonds Industrial Development          7,000                7,000
                    Revenue Bonds, Variable rate series 1997 B, 
                    due September 1, 2021         

Cheyenne            First Mortgage Bonds Industrial Development         10,000               10,000
                    Revenue Bonds, Variable rate series 1997 A, 
                    due March 1, 2027            

PSCCC               Unsecured Medium-Term Notes, Series A,             100,000               80,000
                    5.75% to 6.03%, due November 24, 1997 to 
                    December 1, 1998                 

1480 Welton         13.25% secured promissory note, due in              33,345               31,248
                    installments through October 1, 2016
</TABLE>

                                       
                                 CAPITAL STOCK

(b)  For each class of capital stock including certificates of beneficial
interest give information both in number of shares and in dollar amounts:  
(Do not include here any warrants, options, or other securities reported 
under paragraph 8(d).)
                                       
                           AS OF SEPTEMBER 30, 1997
                                       
BY PERMISSION OF THE STAFF, COLUMNS G THROUGH J HAVE BEEN OMITTED.

<TABLE>
                                                                              Amount Reserved for 
                                                                               options, warrants, 
                                                                             conversions and other      Additional        Amount
Name of Issuer               Title of Issue              Amount Authorized           rights          Amount Unissued      Issued
     (a)                          (b)                           (c)                   (d)                  (e)             (f)
- ----------------------------------------------------------------------------------------------------------------------------------
<S>              <C>                                     <C>                 <C>                     <C>               <C>
NCE              Common stock, par value $1 per share       260,000,000                               155,396,744      104,603,256

NCE              Cumulative preferred stock, $1 par          20,000,000                                20,000,000               --
                 value per share 

PSCo(1)          Common stock, par value $5 per share       160,000,000                               159,999,900              100
</TABLE>



                                       9

<PAGE>
<TABLE>
                                                                                  Amount Reserved for
                                                                                   options, warrants,
                                                                                  conversions and other     Additional      Amount
Name of Issuer                   Title of Issue                Amount Authorized           rights        Amount Unissued    Issued
     (a)                              (b)                              (c)                  (d)                 (e)           (f)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>               <C>                                            <C>                <C>                    <C>              <C>
PSCo              Cumulative preferred stock, $100 par value,          (2)                                                   100,000
                  4.20% series 

                  Cumulative preferred stock, $100 par value,          (2)                                                   174,997
                  4 1/4% series

                  Cumulative preferred stock, $100 par value,          (2)                                                    65,000
                  4 1/2% series

                  Cumulative preferred stock, $100 par value,          (2)                                                   159,500
                  4.64% series 

                  Cumulative preferred stock, $100 par value,          (2)                                                   150,000
                  4.9% series

                  Cumulative preferred stock, $100 par value,          (2)                                                   150,000
                  4.9% second series

                  Cumulative preferred stock, $100 par value,          (2)                                                   250,000
                  7.15% series

                  Cumulative preferred stock, $100 par value,          (2)                                                   216,000
                  subject to mandatory redemption

                  Cumulative preferred stock, $100 par value,          (2)                                                   202,294
                  subject to mandatory redemption

PSCo              Cumulative preferred stock, $25 par value,         4,000,000                               2,600,000     1,400,000
                  8.4% series

PSCCC             Common stock, par value $1 per share              75,000,000                              73,040,253     1,959,747

PSR               Common stock, par value $1 per share              25,000,000                              24,636,810       363,190

1480 Welton       Common stock, par value $100 per share                10,000                                   5,951         4,049

Fuelco            Common stock, no par value                           250,000                                  91,000       159,000

Green & Clear     Common stock, par value $10 per share                  2,500                                                 2,500
Lakes

Hillcrest Ditch   Common stock, par value $250 per share                   180                                                   180
& Reservoir Co.

Fisher Ditch      Common stock, par value $10 per share                  1,344                                                 1,344
Company

Las Animas        Common stock, par value $100 per share                   620                                                   620
Consolidated
Canal Company

United Water      Common stock, par value $40 per share                  1,250                                       1         1,249
Co.

Consolidated      Common stock, par value $50 per share                  3,000                                   1,767         1,233
Extension Canal
Company

East Boulder      Common stock, par value $200 per share                    12                                                    12
Ditch Company

New Century       Common stock, par value $.01 per share                 1,000                                   1,000            --
International(5)

- ------------------------
(5) Common stock is currently subscribed with PSCo.


                                                               10


<PAGE>
                                                                                  Amount Reserved for
                                                                                   options, warrants,
                                                                                  conversions and other     Additional      Amount
Name of Issuer                   Title of Issue                Amount Authorized           rights        Amount Unissued    Issued
     (a)                              (b)                              (c)                  (d)                 (e)           (f)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>               <C>                                            <C>                <C>                    <C>              <C>
SPS (3)           Common stock, par value $1 per share             100,000,000                              99,999,900           100

SPS               Cumulative preferred stock, $1 par value          10,000,000                              10,000,000            --

New Century       Common stock, par value $.01 per share                 1,000                                                 1,000
Services

Cheyenne (4)      Common stock, no par value                           120,000                                  16,000       104,000

WGI               Common stock, par value $10 per share              2,000,000                               1,940,000        60,000

NC Enterprises    Common stock, par value $.01 per share                 1,000                                                 1,000

New Century       Common stock, no par value                             1,000                                   1,000            --
Cadence(6)

e prime           Common stock, par value $5 per share              20,000,000                              18,192,281     1,807,719

e prime (Belize)  Common stock, par value $5 per share                   2,000                                   2,000            --
Limited

e prime Energy    Common stock,  no par value                            1,000                                   1,000            --
Marketing, Inc.

e prime           Common stock, no par value                         5,000,000                               5,000,000            --
Networks

e prime           Common stock, par value $.01 per share                 1,000                                   1,000            --
Operating, Inc.   

e prime           Common stock, par value $.01 per share                 1,000                                   1,000            --
Projects
International

e prime           Common stock, no par value                             1,000                                   1,000            --
Telecom, Inc.

Texas-Ohio        Common stock, par value $1 per share               1,000,000                                             1,000,000
Gas, Inc.

Texas-Ohio        Common stock, no par value                         1,000,000                                             1,000,000
Pipeline, Inc.

Young Gas         Common stock, par value $1 per share                   1,000                                                 1,000
Storage Co.

Natural Fuels     Common stock, par value $1 per share              50,000,000                              34,320,124    15,679,876

UE                Common stock, par value $1 per share                 100,000                                  28,000        72,000

Universal         Common stock, par value $1 per share                 100,000                                  99,000         1,000
Utility Services
Co.

Precision         Common stock, par value $1 per share                 100,000                                  99,000         1,000
Resource
Company

Quixx             Common stock, par value $1 per share                 100,000                                  49,000        51,000

KES Montego,      Common stock, par value $.01 per share                 1,000                                                 1,000
Inc.

Quixx Borger      Common stock, par value $.10 per share                10,000                                                10,000
Cogen, Inc.

- ------------------------
(6) Common stock will be issued in December 1997.


                                                             11

<PAGE>
                                                                                  Amount Reserved for
                                                                                   options, warrants,
                                                                                  conversions and other     Additional      Amount
Name of Issuer                   Title of Issue                Amount Authorized           rights        Amount Unissued    Issued
     (a)                              (b)                              (c)                  (d)                 (e)           (f)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>               <C>                                            <C>                <C>                    <C>              <C>
Quixx Carolina,   Common stock, par value $.10 per share                10,000                                                10,000
Inc.

Quixx Jamaica,    Common stock, par value $.10 per share                10,000                                                10,000
Inc.

Quixx Jamaica     Common stock, par value $1 per share                   1,000                                                 1,000
Power, Inc.

Quixx Mustang     Common stock, par value $.10 per share                10,000                                                10,000
Station, Inc.

Quixx Power       Common stock, par value $1 per share                 100,000                                  99,000         1,000
Services, Inc.

Quixx             Common stock, par value $.01 per share                10,000                                                10,000
Resources, Inc.

Quixx WPP94,      Common stock, par value $.10 per share                10,000                                                10,000
Inc.

Quixxlin Corp.    Common stock, par value $.10 per share                10,000                                                10,000
</TABLE>

(1) Subsequent to September 30, 1997, the authorized amount of common stock for
PSCo changed to 100 shares.

(2) In total, PSCo has 3,000,000 shares authorized of cumulative preferred
stock, $100 par value.

(3) Subsequent to September 30, 1997, the authorized amount of common stock for
SPS changed to 200 shares.

(4) Subsequent to September 30, 1997, Cheyenne's authorized common stock was
changed to 100 shares with a par value of  $.01 per share. Additionally,
1,000,000 shares of preferred stock were authorized with a par value of $100
per share.


                            CONTINGENT LIABILITIES


     (c)  A brief outline of the nature and amount of each contingent liability
     on account of endorsement or other guarantees of any securities.

          Information regarding contingent liabilities is set forth in the
     following documents, the applicable portions of which are hereby
     incorporated by reference:  Notes 2 and 3 in Item 1. Financial Statements
     in NCE's quarterly report on Form 10-Q for the period ended September 30,
     1997 (File No. 1-12927); Note 2 in Item 1. Financial Statements in PSCo's
     quarterly report on Form 10-Q for the period ended September 30, 1997
     (File No. 1-3280) and Note 2 in Item 1. Financial Statements in SPS's
     quarterly report on Form 10-Q for the period ended September 30, 1997
     (File No. 1-3789).  Information regarding guarantees can be found in the
     following document, the applicable portions of which are hereby
     incorporated by reference:  Exhibit 99-1, Notes 5 and 7 in NCE's report on
     Form 8-K dated August 1, 1997 (File No. 1-12927)



                               OTHER SECURITIES

     (d)  A statement of the amount of warrants, rights, or options and of any
     class of securities of the registrant and subsidiary companies not
     elsewhere herein described which is outstanding and/or authorized.  A
     brief description of the 


                                       12

<PAGE>


     provisions thereof should be included.   Information need not be set forth 
     under this item as to notes, drafts, bills of exchange or bankers' 
     acceptances which mature within nine months.

          Certain information regarding NCE's Dividend Reinvestment and Cash
     Payment Plan is set forth in the Registration Statement of NCE on Form S-3
     (File No. 33-28637), and is hereby incorporated by reference.  Certain
     information regarding NCE's Omnibus Incentive Plan, PSCo's Omnibus
     Incentive Plan, SPS's 1989 Stock Incentive Plan, SPS's Employee Investment
     Plan and SPS's Director's Deferred Compensation Plan is set forth on NCE's
     Form S-8 (File 33-28639), and is hereby incorporated by reference.


                       INVESTMENTS IN SYSTEM SECURITIES


9.   Give a tabulation showing the principal amount, par or stated value, the
     cost to the system company originally acquiring such security, and the
     number of shares or units, of each security described under Item 8 that is
     held by the registrant and by each subsidiary company thereof as the
     record (or beneficial) owner, and the amounts at which the same are
     carried on the books of each such owner.  This information should be given
     as of the same date as the information furnished in answer to Item 8.

          Information regarding Investments in System Securities has been
     omitted by permission of the Staff as this information will be provided in
     Form U-5S for the period ending December 31, 1997.


                        INVESTMENTS IN OTHER COMPANIES


10.  Give a tabulation showing all investments of the registrant and of each
     subsidiary thereof in holding companies and in public utility companies
     which are not subsidiary companies of the registrant.  Also show all other
     investments of the registrant and of each subsidiary thereof in the
     securities of any other enterprise, if the book value of the investment in
     any such enterprise exceeds 2% of the total debit accounts shown on the
     balance sheet of the company owning such investment or an amount in excess
     of $25,000 (whichever amount is the lesser).  Give principal amount and
     number of shares or units and the cost of each issue of such securities to
     the system company originally acquiring such security, and amount at which
     carried on the books of the owner.  List all such securities pledged as
     collateral for loans or other obligations and identify loans and
     obligations for which pledged.  This information should be given as of the
     same date as the information furnished in answer to Item 8.


     (a)  Investments of the registrant and of each subsidiary thereof in
     holding companies and in public utility companies which are not subsidiary
     companies of the registrant:  None.
     
     (b)  Investments of the registrant and of each subsidiary thereof in the
     securities of other enterprises:  None.


                       INDEBTEDNESS OF SYSTEM COMPANIES


11.  List each indebtedness of the registrant and of each subsidiary company
     thereof (other than indebtedness reported under Item 8, but as of the same
     date) where the aggregate debt owed by any such company to any one person
     exceeds $25,000 or an amount exceeding 2% of the total of the debit
     accounts shown on the balance sheet of the debtor (which amount is the
     lesser) but not including any case in which such aggregate indebtedness is
     less than $5,000, and give the following additional information as to each
     such indebtedness:



                                       13

<PAGE>

(a)  Debts owed to associate companies at September 30, 1997.

     The following table provides intercompany receivables and payables as of
September 30, 1997:

<TABLE>
                                                                           Date of 
  Name of Debtor    Name of Creditor    Amount Owed    Rate of Interest    Maturity
- -------------------------------------------------------------------------------------
<S>                 <C>                 <C>            <C>                 <C>
  Natural Fuels           PSCo          $   191,958         None              N/A

  NCS                     PSCo            4,607,897         None              N/A

  SPS                     PSCo            1,784,308         None              N/A

  NCI                     PSCo              148,481         None              N/A

  PSCo                1480 Welton           566,833         None              N/A

  PSCo                   Cheyenne         1,090,511         None              N/A

  PSCo                    PSR             7,357,683         None              N/A

  PSCo                  e prime              67,271         None              N/A

  PSCo                    PSCCC          18,875,330         None              N/A

  PSCo                     NCE           38,263,140         None              N/A

  1480 Welton              NCS               68,245         None              N/A

  PSR                      NCS               68,236         None              N/A

  PSCCC                    NCS              118,740         None              N/A

  NCS                      NCE              420,790         None              N/A

  Cheyenne                 NCE               47,917         None              N/A

  e prime                  NCE               31,722         None              N/A

  SPS                      NCE           21,977,494         None              N/A

  NCE                     Quixx              34,871         None              N/A

  NCS                      SPS            7,787,481         None              N/A

  UE                       SPS              487,939         None              N/A

  Quixx                    SPS            2,885,238         None              N/A

  SPS                NC Enterprises       1,442,297         None              N/A

  NCS                    Cheyenne         1,491,814         None              N/A

  WGI                    Cheyenne           243,730         None              N/A

  NCE                      NCS            1,138,238         None              N/A

  e prime                  NCS              347,001         None              N/A

  Natural Fuels            NCS               37,290         None              N/A

  PSCCC                    NCS              120,408         None              N/A

  UE                       NCS              454,034         None              N/A

  Quixx                    NCS              214,730         None              N/A

  NCS                      UE                56,189         None              N/A

  PSCo                     UE             4,057,570         None              N/A

  e prime                  UE                70,842         None              N/A
</TABLE>
                                       14
<PAGE>

The following table provides intercompany notes receivable/payable as of
September 30, 1997:

<TABLE>
                                                                           Date of 
  Name of Debtor    Name of Creditor    Amount Owed    Rate of Interest    Maturity
- -------------------------------------------------------------------------------------
<S>                 <C>                <C>             <C>                 <C>
  1480 Welton             PSCo         $ 12,066,207          6.09           5/30/98

  Cheyenne                NCE            15,000,000          5.75          10/10/97

  NCS                     NCE            14,350,000          5.71          10/10/97

  NCS                     NCE               600,000          5.75          10/10/97

  e prime                 NCE            10,000,000          5.71          10/10/97

  Natural Fuels           NCE             1,696,207          5.75          10/10/97

  NC Enterprises          SPS           119,036,360          7.25          8/1/2027

  SPS                    Quixx            1,160,000        Floating        11/30/97

  SPS                    Quixx           15,000,000        Floating         6/30/98

  SPS                     UE              9,000,000        Floating        12/31/98
</TABLE>

     (b)  Debts owed to others at September 30, 1997:  OMITTED BY PERMISSION OF
          THE STAFF.


                               PRINCIPAL LEASES

12.  Describe briefly the principal features of each lease (omitting oil and
     gas leases) to which the registrant or any subsidiary company thereof is a
     party, which involves rental at an annual rate of more than $50,000 or an
     amount exceeding 1% of the annual gross operating revenue of such party to
     said lease during its last fiscal year (whichever of such sums is the
     lesser) but not including any lease involving rental at a rate of less
     than $5,000 per year.

<TABLE>
                                                                             Total 1996      Expiration
 Lessee                Lessor                        Items(s) Leased        Payments ($000)      Date
- --------------------------------------------------------------------------------------------------------
 <S>        <C>                               <C>                           <C>              <C>
 PSCo       James Seccombe Jr.                            Land                    $72            2040
 
 PSCo       Shames-Makovsky Realty Co.                Office space               $125            1997

 PSCo       Two Denver Highlands Joint Venture        Office space               $242            1997
 
 PSCo       Compass Management and Leasing            Office space             $5,129            2001
 
 PSCo       W.W. Reynolds                               Building                 $414            2001
 
 PSCo       Walter Properties, Inc.                   Office space               $165            2002
 
 PSCo       Bannock Associated Limited                  Building                 $648            1999
             Partnership
 
 PSCo       Scott Steele, Inc.                     Airport facility               $92            1998

 PSCo       Fraser Street Partners                      Building                 $133            2003
 
 PSCo       Comdisco Inc.                         Computer Equipment           $2,523       
 
 PSCo       Big Horn Funding, Inc.             Various office equipment,                    
                                               computers, transportation                    
                                                    vehicles, etc.            $12,322          various

 PSCo       GE Capital                           Automated Meter Reading       $1,737            2005
                                                       Equipment                            
 
 PSCo       Young Gas Storage Company, Ltd.   Underground storage facility     $5,495            2025
 
 e prime    TWI                                       Office space                $51            1998
</TABLE>
                                       15
<PAGE>
<TABLE>
                                                                               Total 1996       Expiration
  Lessee                       Lessor                   Items(s) Leased      Payments ($000)       Date
- ------------------------------------------------------------------------------------------------------------
<S>                      <C>                       <C>                       <C>                <C>
  Texas Ohio Gas, Inc.   Metro National Corp              Office space             $61             2000

  SPS                    Bank One                         Office space          $1,531 *           2002

  SPS                    IBM Corporation           DP equipment, copiers, etc.    $625 *           1999

  SPS                    Eastman Kodak Company            Copiers, etc.            $85 *         various

  SPS                    Tascosa Office Machines             Copiers               $88 *         various

  SPS                    Paramount Leasing, Inc.           Copier/Fax              $56 *         various

  Quixx                  Bank One                         Office space             $61 *           1999
</TABLE>

* Amount reflects the rent expense for the 12-months ended August 31, 1996.

     Certain additional information regarding leases is set forth in Exhibit 
     99-1, Note 9 in NCE's report on Form 8-K dated August 1, 1997 (File 
     No. 1-12927), the applicable portions of which are hereby incorporated by
     reference.


                                SECURITIES SOLD

13.  If, during the last five years, the registrant or any subsidiary company
     thereof has issued, sold, or exchanged either publicly or privately any
     securities having a principal amount, par, stated or declared value
     exceeding $1,000,000 or exceeding an amount equal to 10% of the total
     liabilities as shown by the balance sheet of issuer at the time of such
     issue (whichever of such sums is the lesser), give the following
     information with respect to each such issue or sale:

Securities sold in last five years:

<TABLE>
                                                          Proceeds
                                              Amount     Received by 
                                             Issued or  Issuer Before     Approximate      Name of Principal
                                Name of        Sold        Expenses    Expenses of Issuer    Underwriter or   Underwriters Initial
Title of Issue                  Obligor       ($000)      (per $100)       (per $100)          Purchasers        Offering Price
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                          <C>             <C>        <C>            <C>                 <C>                <C>
Secured Medium-Term Notes,   Public Service   150,000       Various         Various        Merrill Lynch & Co.        Various
Series C, 5.96% to 6.23%     Company of      
due December 4, 1997 to      Colorado        
September 4, 1998                            
                                             

Secured Medium-Term Notes,   Public Service   250,000       Various         Various        Merrill Lynch & Co. and    Various
Series B, 6.05% to 7.11%     Company of                                                    Goldman, Sachs & Co.   
due November 29, 1999 to     Colorado        
March 5, 2007                                
                                             

First Collateral Trust       Public Service   125,000       $99.366          $0.65         Merrill Lynch & Co. and    99.366%
Bonds, Series No. 3,         Company of                                                    Goldman, Sachs & Co.,   
7-1/8% due June 1, 2006      Colorado                                                      and PaineWebber
                                                                                           Incorporated            
                                             

First Collateral Trust       Public Service   102,667       $99.698          $0.625        Merrill Lynch & Co., CS    99.698%
Bonds, Series No. 2,         Company of                                                    First Boston, Kidder,
6% due January 1, 2001       Colorado                                                      Peabody & Co. 


First Collateral Trust       Public Service   110,000       $98.491          $0.875        Merrill Lynch & Co., CS    98.491%
Bonds, Series No. 2, 7-1/4%  Company of                                                    First Boston, Kidder, 
due January 1, 2024          Colorado                                                      Peabody & Co.
</TABLE>
                                       16
<PAGE>

<TABLE>
                                                                 Proceeds
                                                     Amount     Received by    Approximate          Name of
                                                   Issued or   Issuer Before   Expenses of         Principal          Underwriters
                                     Name of         Sold        Expenses        Issuer           Underwriter            Initial
      Title of Issue                 Obligor        ($000)      (per $100)     (per $100)        or Purchasers        Offering Price
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                              <C>               <C>         <C>             <C>          <C>                       <C>
First Collateral Trust Bonds,    Public Service    134,500       $99.565         $0.675     Merrill Lynch & Co., CS       99.565%
Series No. 1, 6 3/8% due         Company of                                                 First Boston, Kidder, 
November 1, 2005                 Colorado                                                   Peabody & Co.

Pollution Control Refunding      Public Service     50,000       $99.182         $2.238     George K. Baum &              99.182%
Revenue Bonds, 1993 Series A,    Company of                                                 Company, Hanifen, 
5 1/2% due June 1, 2012          Colorado                                                   Imhoff Inc.

Pollution Control Refunding      Public Service     18,000       $98.500         $2.090     George K. Baum &              98.500%
Revenue Bonds, 1993 Series A,    Company of                                                 Company, Hanifen,
5 5/8% due April 1, 2008         Colorado                                                   Imhoff Inc.

Pollution Control Refunding      Public Service     61,500       $98.875         $2.245     George K. Baum &              98.875%
Revenue Bonds, 1993 Series A,    Company of                                                 Company, Hanifen, 
5 7/8% due April 1, 2014         Colorado                                                   Imhoff Inc.

Medium-Term Notes Series A       PS Colorado       100,000       Various         Various    Lehman Brothers and           Various
                                 Credit                                                     PaineWebber Incorporated
                                 Corporation

First Mortgage Bonds 7.50%       Cheyenne Light,     8,000       $100.00         $2.210     Piper Jaffray Inc.            100.00%
series due January 1, 2024       Fuel and 
                                 Power Company 

Industrial Development Revenue   Cheyenne Light,    10,000       $100.00         $3.140     George K. Baum &              100.00%
Bonds Adjustable Rate Series     Fuel and                                                   Company and Piper
1997A due March 1, 2027          Power Company                                              Jaffray Inc.

Industrial Development Revenue   Cheyenne Light,     7,000       $100.00         $3.430     George K. Baum &              100.00%
Bonds Adjustable Rate Series     Fuel and                                                   Company and Piper
1997B due September 1, 2021      Power Company                                              Jaffray Inc.

First Mortgage Bonds             SPS                60,000       $ 99.94         $ 0.65     Dillon, Read & Co.             99.94%
6.50% series due
March 1, 2006                    

First Mortgage Bonds             SPS                90,000       $99.850         $0.625     Dillon, Read & Co.            99.850%
6.875% series due
December 1, 1999                 

First Mortgage Bonds             SPS               100,000       $99.875         $0.875     Dillon, Read & Co.            99.875%
8.20% series due
December 1, 2022                 

First Mortgage Bonds             SPS                70,000       $ 99.95         $0.875     Dillon, Read & Co.             99.95%
8.50% series due
February 15, 2025

First Mortgage Bonds             SPS               135,000       $ 99.20         $0.675     Dillon, Read & Co.             99.20%
7.25% series due
July 15, 2004                    

First Mortgage Bonds             SPS                40,000       $ 98.90         $0.875     Dillon, Read & Co.             98.90%
8.25% series due
July 15, 2022                    

Pollution Control Revenue        SPS*               57,300       $100.00         $ 2.09     Dillon, Read & Co.            100.00%
Refunding Bonds
5.75% series due
September 1, 2016                
</TABLE>


                                      17
<PAGE>
<TABLE>
                                                                 Proceeds
                                                     Amount     Received by    Approximate          Name of
                                                   Issued or   Issuer Before   Expenses of         Principal           Underwriters
                                     Name of         Sold        Expenses        Issuer           Underwriter            Initial
      Title of Issue                 Obligor        ($000)      (per $100)     (per $100)        or Purchasers        Offering Price
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                              <C>               <C>         <C>             <C>          <C>                       <C>
Pollution Control Revenue        SPS**              25,000       $100.00         $ 3.80     Dillon, Read & Co.            100.00%
Refunding Bonds - Adjustable 
Swap Fixed to 6.435% series,
due July 1, 2016                 

Obligated Mandatorily            SPS Cap1           4 mill sh.   $100.00         $ 0.64     Witter Reynolds,              100.00%
Redeemable Preferred                                 @$25                                   AG Edwards, PaineWebber, 
Securities                                                                                  Prudential Securities,
7.85% series due                                                                            Smith Barney
September 1, 2036                
</TABLE>

*  Issued in name of Potter County Industrial Development Corporation
** Issued in name of Red River Authority of Texas

                                       
                AGREEMENT FOR FUTURE DISTRIBUTION OF SECURITIES


14.  (a)  Summarize the terms of any existing agreement to which the registrant
     or any associate or affiliate company thereof is a party or in which any
     such company has a beneficial interest with respect to future distribution
     of securities of the registrant or of any subsidiary.

          Certain information regarding agreements with respect to future
     distribution of securities of NCE and its subsidiaries is set forth in 
     the following documents, the applicable portions of which are hereby
     incorporated by reference:  Item 1.D of the Application/Declaration of NCE
     on Form U-1, as amended in File No. 70-8787; Registration statement of NCE
     on Form S-3 with respect to NCE's Dividend Reinvestment and Cash Payment
     Plan in File No. 33-28637; the Registration statement of NCE on Form S-8
     with respect to certain employee benefit plans in File No. 33-28639; and
     the Registration statement of NCE on Form S-3 with respect to the
     registration of 9,000,000 shares of common stock in File No. 33-40361.

     (b)  Describe briefly the nature of any financial interest (other than the
     ownership of securities acquired as a dealer for the purpose of resale)
     which any person with whom such agreement exists, has in the registrant or
     in any associate or affiliate company thereof.

          The beneficiaries of the employee benefit plans referred to above may
     be deemed to have a financial interest in the registrant or associate or
     affiliate companies thereof by virtue of their employment relationship
     with the registrant or such other companies and compensation, benefit and
     severance agreements and arrangements relating to such employment.

                                       
                   TWENTY LARGEST HOLDERS OF CAPITAL STOCKS


15.  As of a recent date (indicating such date for each class) give the
     following information with respect to the holders of each class of stock
     and/or certificates of beneficial interest of the registrant:

     (a)  The twenty largest registered holders of the common stock of New
     Century Energies, Inc., as of its most recent dividend record date:
     
          NCE shares can be held by certificate, through dividend reinvestment
     plans, through employee investment plans, through investment companies,
     and other street name and nominee accounts.  Absent an unreasonable
     expenditure of time 



                                      18
<PAGE>

     and money, NCE has no way to determine the number of shares held by each 
     holder of beneficial interest.  Accordingly, NCE is only able to provide 
     information as to shares registered with NCE.
     
     The following table sets forth NCE's twenty largest registered
     shareholders on the books:

              SHAREHOLDER                    SHARES HELD     % OF OUTSTANDING
- -----------------------------------------------------------------------------
Cedefast & Co.                                73,278,823          72.31
Box #20
Bowling Green Station
New York, NY  10006 

Reinvestment                                   8,947,162           8.83
c/o The Bank of New York
101 Barclay Street
New York, NY  10286 

Lavery Investments Ltd.                          158,874           0.16
Box 27459
Houston, TX  77227                             

Whaler Investments Ltd.                          130,753           0.13
c/o Southwest Bank of Texas
Attn:  Charles Philips
Box 27459
Houston, TX  77227                             

A. G. Edwards & Sons, Inc.                        32,148           0.03
1 No. Jefferson
St. Louis, MO  63103                             

Hart Securities, Inc.                             45,000           0.04
c/o Anthony Bonanno
Gibson Dunn & Crutcher
1050 Connecticut Ave., NW 900
Washington, DC  20036                            

Robert G. Goodale & Betty Goodale JT TEN          30,000           0.03
7314 Island Circle
Boulder, CO  80301                                

Palo & Col                                        24,874           0.02
1st National Bank of Amarillo
Attn:  Trust Department
Box 500409
St. Louis, MO  63150                              

Weatherby Investments Ltd.                        23,638           0.02
Box 27459
Houston, TX  77227                                

Nicholas R. Petry                                 23,100           0.02
The Petry Company
1114 W. 7th Ave.
Denver, CO  80204                                 

Delwin D. Hock & Mildred L. Hock JT TEN           21,557           0.02
250 S. High Street
Denver, CO 80209                                  

Caulkins Family Partnership 1400                  20,908           0.02
1600 Broadway
Denver, CO 80202                                  

St. Joseph's Society of the Sacred Heart, Inc.    20,000           0.02
1130 North Calvert St.
Baltimore, MD  21202                              



                                      19
<PAGE>

              SHAREHOLDER                    SHARES HELD     % OF OUTSTANDING
- -----------------------------------------------------------------------------
Wanda Linam Perry TR Walter T. Linam              19,570           0.02
Trust UTA DTD 7/14/95
520 East Alto Drive
Hobbs, NM  88240                             

John Glode & Jane Glode JT TEN                    19,005           0.02
Box 605
Saratoga, WY 82331                                 

Dennis W. Stark                                   17,660           0.02
306 Lakeside Drive
Liberty, MO  64068                                

Bill Gosard                                       16,000           0.02
2121 East Alameda Ave.
Denver, CO  80209                                 

The Leo & Julia Miller Living Trust 8/02/97      158,000           0.16
32641 Buffalo Park Road
Evergreen, CO  80439                              

Bill D. Helton & Phyllis K. Helton JT TEN         14,373           0.01
3981 S. Holly Way
Englewood, CO  88110                             

Hazel Pearson                                     14,350           0.01
3221 South Bowie Street
Amarillo, TX  79109                               

TOTAL:                                        82,829,072          81.89

     (b)  Number of shareholders of record each holding 1,000 shares or more,
     and aggregate number of shares so held.
     
          At the most recent record date, there were 4,409 shareholders holding
     1,000 shares or more.  The aggregate number of shares held by these
     shareholders was 91,296,032.

     (c)  Number of shareholders of record each holding less than 1,000 shares
     and the aggregate number of shares so held.
     
          At the most recent record date, there were 44,231 shareholders
     holding less than 1,000 shares.  The aggregate number of shares held by
     these shareholders was 10,613,563.

                                       
                       OFFICERS, DIRECTORS AND EMPLOYEES


16.  (a)  Positions and Compensation of Officers and Directors.  Give name and
     address of each director and officer (including any person who performs
     similar functions) of the registrant, of each subsidiary company thereof,
     and of each mutual service company which is a member of the same holding
     company system.  Opposite the name of each such individual give the title
     of every such position held by him and briefly describe each other
     employment of such individual by each such company.

     State the present rate of compensation on an annual basis for each
     director whose aggregate compensation from all such companies exceeds
     $1,000 per year, and of each officer whose aggregate compensation from
     such companies is at the rate of $20,000 or more per year.  In the event
     any officer devotes only part of his time to a company or companies in the
     system this fact should be indicated by appropriate footnote.  Such
     compensation for such part time should be computed on an annual rate and
     if such annual rate exceeds $20,000 the actual compensation as well as
     annual rate should also be reported.



                                       20
<PAGE>


     (b)  Compensation of Certain Employees.  As to regular employees of such
     companies who are not directors or officers of any one of them, list the
     name, address, and aggregate annual rate of compensation of all those who
     receive $20,000 or more per year from all such companies.

     (c)  Indebtedness to System Companies.  As to every such director, trustee
     or officer as aforesaid, who is indebted to any one of such companies, or
     on whose behalf any such company has now outstanding and effective any
     obligation to assume or guarantee payment of any indebtedness to another,
     and whose total direct and contingent liability to such company exceeds
     the sum of $1,000, give the name of such director, trustee, or officer,
     the name of such company, and describe briefly the nature and amount of
     such direct and contingent obligations.

     (d)  Contracts.  If any such director, trustee, or officer as aforesaid:

          (1)  has an existing contract with any such company (exclusive of an
               employment contract which provides for no compensation other
               than that set forth in paragraph (a) of this Item); or,

          (2)  either individually or together with the members of his
               immediate family, owns, directly or indirectly, 5% or more of
               the voting securities of any third person with whom any such
               company has an existing contract; or,

          (3)  has any other beneficial interest in an existing contract to
               which any such company is a party; describe briefly the nature
               of such contract, the names of the parties thereto, the terms
               thereof, and the interest of such officer, trustee, or director
               therein.

     (e)  Banking Connections.  If any such director, trustee, or officer is an
     executive officer, director, partner, appointee, or representative of any
     bank, trust company, investment banker, or banking association or firm, or
     of any corporation a majority of whose stock having the unrestricted right
     to vote for the election of directors, is owned by any bank, trust
     company, investment banker, or banking association or firm, state the name
     of such director or officer, describe briefly such other positions held by
     him and indicate which of the rules under Section 17(c) authorizes the
     registrant and subsidiary companies of which he is a director or officer
     to retain him in such capacity.

          By permission of the Staff, information required to be disclosed
     pursuant to items 16(a) through 16(e) is not set forth herein.  In lieu
     thereof, information in respect thereof will be set forth in the Proxy
     Statement of New Century Energies, Inc. to be distributed in connection
     with the 1998 Annual Meeting of Shareholders of New Century Energies, Inc.
     Prior to the Merger, the officers and directors of New Century Energies,
     Inc. were officers and/or directors of PSCo or SPS.  Information regarding
     the positions and compensation of officers and directors of PSCo prior to
     the Merger is set forth in the Annual Report of PSCo on Form 10-K/A for
     the period ending December 31, 1996, which is hereby incorporated by
     reference. Information regarding the positions and compensation of
     officers and directors of SPS prior to the Merger is set forth in the SPS
     Proxy Statement of January 8, 1997, which is hereby incorporated by
     reference.


                   INTERESTS OF TRUSTEES IN SYSTEM COMPANIES


17.  Describe briefly the nature of any substantial interest which any trustee
     under indentures executed in connection with any outstanding issue of
     securities of the registrant or any subsidiary thereof, has in either the
     registrant or such subsidiary, and any claim which any such trustee may
     have against registrant or any subsidiary; provided, however, that it
     shall not be necessary to include in such description any evidences of
     indebtedness owned by such trustee which were issued pursuant to such an
     indenture.

          To the best knowledge of NCE management, there is no such interest.


                                       21

<PAGE>

                  SERVICE, SALES, AND CONSTRUCTION CONTRACTS


18.  As to each service, sales, or construction contract (as defined in
     paragraphs (19) to (21) of Section 2(a) of the Act) which the registrant
     and any subsidiary company thereof has had in effect within the last three
     months, describe briefly the nature of such contract, the name and address
     of the parties thereto, the dates of execution and expiration, and the
     compensation to be paid thereunder.  Attach typical forms of any such
     contracts as an exhibit to this registration statement.  If the other
     party to any such contract is a mutual service company or a subsidiary
     service company which is a member of the same holding company system as
     the registrant and as to which the Commission has made a favorable finding
     in accordance with Rule 13-22, specific reference may be made to the
     application or declaration filed by such company pursuant to Rule 13-22
     and no further details need be given as to such contracts.

          The affiliate contracts listed below are attached as Exhibits H-1
     through H-5 hereto:

Exhibit No.                              Description
- -----------                              -----------
   H-1         Service Agreement between New Century Services, Inc. and utility
               affiliates (filed as Exhibit B-2.1 to the Application-Declaration
               of NCE on Form U-1, as amended, in File No. 70-8787).

   H-2         Service Agreement between New Century Services, Inc. and Public 
               Service Company of Colorado (filed as Exhibit B-2.2 to the 
               Application-Declaration of NCE on Form U-1, as amended, in File 
               No. 70-8787).

   H-3         Service Agreement between New Century Services Inc. and 
               non-utility affiliates (filed as Exhibit B-3 to the Application-
               Declaration of NCE on Form U-1, as amended, in File No. 70-8787).

   H-4         Affiliated Transactions Agreement between Utility Engineering 
               Corporation and Public Service Company of Colorado.

   H-5         Affiliated Transactions Agreement between Utility Engineering 
               Corporation and Southwestern Public Service Company.

Additional agreements presently being negotiated to be filed by amendment.


                                  LITIGATION


19.  Describe briefly any existing litigation of the following descriptions, to
     which the registrant or any subsidiary company thereof is a party, or of
     which the property of the registrant or any such subsidiary company is the
     subject, including the names of the parties and the court in which such
     litigation is pending:

          (1)  Proceedings to enforce or to restrain enforcement of any order
               of a State commission or other governmental agency;

          (2)  Proceedings involving any franchise claimed by any such company;

          (3)  Proceedings between any such company and any holder, in his
               capacity as such, of any funded indebtedness or capital stock
               issued, or guaranteed by such company, or between any such
               company and any officer thereof;

          (4)  Proceedings in which any such company sues in its capacity as
               owner of capital stock or funded indebtedness issued or
               guaranteed by any other company;

          (5)  Each other proceeding in which the matter in controversy,
               exclusive of interest and costs, exceeds an amount equal to 2%
               of the debit accounts shown on the most recent balance sheet of
               such company.

          Information regarding litigation involving NCE and its subsidiaries
     is set forth in the following documents, the applicable portions of which
     are hereby incorporated by reference:  Notes 2 and 3 in Item 1. Financial
     Statements in NCE's quarterly report on Form 10-Q for the period ended
     September 30, 1997 (File No. 1-12927); Note 2 in Item 1. Financial
     Statements in PSCo's quarterly report on Form 10-Q for the period ended
     September 30, 1997 (File No. 


                                       22

<PAGE>


     1-3280); and Note 2 in Item 1. Financial Statements in SPS's quarterly 
     report on Form 10-Q for the period ended September 30, 1997 (File 
     No. 1-3789).


                                   EXHIBITS


EXHIBIT A.  Furnish a corporate chart showing graphically relationships
existing between the registrant and all subsidiary companies thereof as of the
same date as the information furnished in the answer to Item 8.  The chart
should show the percentage of each class voting securities of each subsidiary
owned by the registrant and by each subsidiary company.

     Corporate charts of NCE and its subsidiaries have been provided as
Exhibits A-1 through A-6.


EXHIBIT B.  With respect to the registrant and each subsidiary company
thereof, furnish a copy of the charter, articles of incorporation, trust
agreement, voting trust agreement, or other fundamental document of
organization, and a copy of its bylaws, rules, and regulations, or other
instruments corresponding thereto.  If such documents do not set forth fully
the rights, priorities, and preferences of the holders of each class of capital
stock described in the answer to Item 8(b) and those of the holders of any
warrants, options or other securities described in the answer to Item 8(d), and
of any limitations on such rights, there shall also be included a copy of each
certificate, resolution, or other document establishing or defining such rights
and limitations.  Each such document shall be in the amended form effective at
the date of filing the registration statement or shall be accompanied by copies
of any amendments to it then in effect.

     By permission of the Staff, in lieu of the exhibits required hereunder,
the disclosure requirements for Exhibit B have been limited to (i) the date and
state of incorporation for the registrant and each of its subsidiary companies
and (ii) a brief description of every subsidiary company of the registrant
including a statement as to whether each such company is active or inactive.
Such information is set forth in Items 4 and 5 hereof.


EXHIBIT C.

(a)  With respect to each class of funded debt shown in the answers to Items
     8(a) and 8(c), submit a copy of the indenture or other fundamental
     document defining the rights of the holders of such security, and a copy
     of each contract or other instrument evidencing the liability of the
     registrant or a subsidiary company thereof as endorser or guarantor of
     such security.  Include a copy of each amendment of such document and of
     each supplemental agreement, executed in connection therewith.  If there
     have been any changes of trustees thereunder, such changes, unless
     otherwise shown, should be indicated by notes on the appropriate
     documents.  No such indenture or other document need be filed in
     connection with any such issue if the total amount of securities that are
     now, or may at any time hereafter, be issued and outstanding thereunder
     does not exceed either $1,000,000 or an amount equal to 10% of the total
     of the debit accounts shown on the most recent balance sheet of the
     registrant or subsidiary company which issued or guaranteed such
     securities or which is the owner of property subject to the lien of such
     securities, whichever of said sums is the lesser.

          OMITTED BY PERMISSION OF THE STAFF.

(b)  As to each outstanding and uncompleted contract or agreement entered into
     by registrant or any subsidiary company thereof relating to the
     acquisition of any securities, utility assets (as defined in section
     2(a)(18) of the Act), or any other interest in any business, submit a copy
     of such contract or agreement and submit details of any supplementary
     understandings or arrangements that will assist in securing an
     understanding of such transactions.

          OMITTED BY PERMISSION OF THE STAFF.


                                       23

<PAGE>


EXHIBIT D.  A consolidating statement of income and surplus of the registrant 
and its subsidiary companies for its last fiscal year ending prior to the 
date of filing this registration statement, together with a consolidating 
balance sheet of the registrant and its subsidiary companies as of the close 
of such fiscal year.

            By permission of the Staff, Exhibit D will be filed by an amendment
to this document on or before May 1, 1998.  Such amendment will disclose the
consolidating financial statements of NCE and its subsidiary companies as of
the fiscal year ended December 31, 1997.


EXHIBIT E.  For each public utility company and natural gas producing and
pipe line property in the holding company system of the registrant, furnish the
following maps (properties of associate companies operating in contiguous or
nearby areas may be shown on the same map, provide property and service areas
of each company are shown distinctively).

     (1)  Map showing service area in which electric service is furnished,
          indicating the names of the companies serving contiguous areas.

               See Exhibit E-1 hereto.

     (2)  Electric system map showing location of electric property (exclusive
          of local distribution lines) owned and/or operated, and information
          as follows:

          (a)  Generating plants--kind and capacity;

          (b)  Transmission lines--voltage, number of circuits, kind of
               supports, kind and size of conductors;

          (c)  Transmission substations--capacity.

          (d)  Distribution substations--capacity.

          (e)  Points of interconnection with all other electric utility
               companies and with all electrical enterprises operated by
               municipal or governmental agencies, giving names of such
               companies and enterprises;

               The information requested in item (2) can be found on the maps
               included as Exhibits E-2, E-3, E-4, E-5 and E-6.

     (3)  Map showing service area in which gas service is furnished,
          indicating the names of companies serving contiguous areas;

               See Exhibit E-7 hereto.

     (4)  Gas system map showing location of gas property (exclusive of low
          pressure local distribution lines) owned and/or operated, and
          information as follows:

          (a)  Generating plants--kind and daily capacity;
          
          (b)  Holders--kind and capacity;
          
          (c)  Compressor stations--capacity in horsepower;
          
          (d)  Transmission pipe lines--size, approximate average transmission
               pressure and the estimated daily delivery capacity of the
               system;
          
          (e)  Points of interconnection with all other private and public gas
               utilities, pipe lines, or producing enterprises; giving names of
               such companies and other enterprises;


                                       24

<PAGE>


          (f)  General location and outline of gas producing and reserve areas
               and diagrammatic location of gathering lines.

               See Exhibit E-8 hereto.


EXHIBIT F.  Furnish an accurate copy of each annual report for the last
fiscal year ending prior to the date of the filing of this registration
statement, which the registrant and each subsidiary company thereof has
previously submitted to its stockholders.  For companies for which no reports
are submitted the reason for omission should be indicated; provided that
electronic filers shall submit such reports in paper format only under cover of
Form SE.

     Public Service Company of Colorado's Annual Report on Form 10-K and 10-K/A
for the period ending December 31, 1996 has been provided as Exhibit F-1.
Southwestern Public Service Company's Annual Report on Form 10-K for the
transition period from September 1, 1996 to December 31, 1996 has been provided
as Exhibit F-2.  The 1997 annual report to shareholders of NCE has not yet been
prepared.


EXHIBIT G.  Furnish a copy of each annual report which the registrant and
each public utility subsidiary company thereof shall have filed with any State
Commission having jurisdiction to regulate public utility companies for the
last fiscal year ending prior to the date of filing this registration
statement.  If any such company shall have filed similar reports with more than
one such State commission, the registrant need file a copy of only one of such
reports provided that notation is made of such fact, giving the names of the
different commissions with which such report was filed, and setting forth any
differences between the copy submitted and the copies filed with such other
commissions.  In the event any company submits an annual report to the Federal
Power Commission but not to a State commission, a copy of such report should be
furnished.  In the case of a registrant or any public utility subsidiary
company for which no report is appended the reasons for such omission should be
indicated such as "No such reports required or filed;" provided that electronic
filers shall submit such reports in paper format only under cover of Form SE.

     Exhibit G-1    1996 Annual Report of Public Service Company of Colorado to
                    the Federal Energy Regulatory Commission (FERC Form 1).
     
     Exhibit G-2    1996 Annual Report of Public Service Company of Colorado to
                    the Public Utilities Commission of the State of Colorado.
     
     Exhibit G-3    1996 Annual Report of Cheyenne Light, Fuel and Power
                    Company to the Public Service Commission of the State of
                    Wyoming.
     
     Exhibit G-4    1996 Annual Report of Southwestern Public Service Company
                    to the Federal Energy Regulatory Commission.
     
     Exhibit G-5    1996 Annual Report of Southwestern Public Service Company
                    to the Kansas Corporation Commission.
     
     Exhibit G-6    1996 Annual Report of Southwestern Public Service Company
                    to the Oklahoma Corporation Commission.
     
     Exhibit G-7    1996 Annual Report of Southwestern Public Service Company
                    to the Public Utility Commission of Texas.
     
     Exhibit G-8    1996 Annual Report of Southwestern Public Service Company
                    to the New Mexico Public Utility Commission.


                                       25

<PAGE>

EXHIBIT H.  Typical forms of service, sales, or construction contracts
described in answer to Item 18.

     See Exhibits H-1 through H-5.


This registration statement comprises:

     (a)  A cover page, followed by pages numbered 2 to 26 consecutively,
          followed by pages 27 to 28, consecutively.

     (b)  The following Exhibits:  the Exhibits shown on the attached exhibit
          index.


                                   SIGNATURE


     Pursuant to the requirements of the Public Utility Holding Company Act of
1935, the registrant has caused this registration statement to be duly signed
on its behalf in the City and County of Denver and State of Colorado, on the
2nd day of December, 1997.

                                   New Century Energies, Inc.


                                   By:  /s/   Richard C. Kelly
                                      --------------------------------------
                                        Executive Vice President and
                                          Chief Financial Officer
Attest:

     /s/ Teresa S. Madden
- -----------------------------------
Controller and Corporate Secretary

                                 VERIFICATION

State of Colorado             )
                              )    ss.
City and County of Denver     )

     The undersigned, being duly sworn, deposes and says that he has duly
executed the attached registration statement dated December 2, 1997, for and on
behalf of New Century Energies, Inc.; that he is the Executive Vice President
and Chief Financial Officer of such company; and that all action by
stockholders, directors, and other bodies necessary to authorize deponent to
execute and file such instrument has been taken.  Deponent further says that he
is familiar with such instrument and the contents thereof, and that the facts
therein set forth are true to the best of his knowledge, information and
belief.

                                        /s/ Richard C. Kelly
                                     -----------------------------------

Subscribed and sworn to before me
this 2nd day of December, 1997.

- ------------------------------------

My commission expires:



                                       26
<PAGE>


                               INDEX OF EXHIBITS

EXHIBIT
NUMBER    DESCRIPTION
- -------   ----------------------------------------------------------------------
A-1       Corporate chart of New Century Energies, Inc. and Subsidiaries (filed
          herewith on Form SE).

A-2       Corporate chart of Public Service Company of Colorado and
          Subsidiaries (filed herewith on Form SE).

A-3       Corporate chart of NC Enterprises, Inc. and Subsidiaries (filed
          herewith on Form SE).

A-4       Corporate chart of Quixx Corporation and Subsidiaries (filed herewith
          on Form SE).

A-5       Corporate chart of Utility Engineering Corporation and Subsidiaries
          (filed herewith on Form SE).

A-6       Corporate chart of e prime, inc. and Subsidiaries (filed herewith on
          Form SE).

E-1       Map of service areas of NCE (filed herewith on Form SE)

E-2       Maps of PSCo's generating plants (filed herewith on Form SE).

E-3       Map of PSCo's transmission system and substations (filed herewith on
          Form SE)

E-4       Maps of SPS electric system showing transmission lines (which
          includes generating plant information) (previously filed on Form SE
          as Exhibit E-3 to the Application-Declaration of NCE on Form U-1, as
          amended, in File No. 70-8787).

E-5       Map of electric service areas of Colorado (filed herewith on Form SE)

E-6       Map of SPS electric transmission and distribution system (filed
          herewith on Form SE)

E-7       Map of PSCo's gas territory (filed herewith on Form SE)

E-8       Map of PSCo's gas delivery system (filed herewith on Form SE)

F-1       Public Service Company's Annual Report on Form 10-K and 10-K/A for
          the period ended December 31, 1996 (filed herewith on Form SE)

F-2       Southwestern Public Service Company's Annual Report on Form 10-K for
          the transition period from September 1, 1996 to December 1, 1996
          (filed herewith on Form SE)

G-1       1996 Annual Report of Public Service Company of Colorado to the
          Federal Energy Regulatory Commission (FERC Form 1) (filed herewith on
          Form SE)

G-2       1996 Annual Report of Public Service Company of Colorado to the
          Public Utilities Commission of the State of Colorado (filed herewith
          on Form SE).

G-3       1996 Annual Report of Cheyenne Light, Fuel and Power Company to the
          Public Service Commission of the State of Wyoming (filed herewith on
          Form SE).

G-4       1996 Annual Report of Southwestern Public Service Company to the
          Federal Energy Regulatory Commission (filed herewith on Form SE).


                                       27

<PAGE>

G-5       1996 Annual Report of Southwestern Public Service Company to the
          Kansas Corporation Commission (filed herewith on Form SE).

G-6       1996 Annual Report of Southwestern Public Service Company to the
          Oklahoma Corporation Commission (filed herewith on Form SE).

G-7       1996 Annual Report of Southwestern Public Service Company to the
          Public Utility Commission of Texas (filed herewith on Form SE).

G-8       1996 Annual Report of Southwestern Public Service Company to the New
          Mexico Public Utility Commission (filed herewith on Form SE).

H-1       Service Agreement between New Century Services, Inc. and utility
          affiliates (previously filed as Exhibit B-2.1 to the Application-
          Declaration of NCE on Form U-1, as amended, in File No. 70-8787).

H-2       Service Agreement between New Century Services, Inc. and Public
          Service Company of Colorado (previously filed as Exhibit B-2.2 to the
          Application-Declaration of NCE on Form U-1, as amended, in File No.
          70-8787).

H-3       Service Agreement between NC Services Inc. and non-utility affiliates
          (previously filed as Exhibit B-3 to the Application-Declaration of
          NCE on Form U-1, as amended, in File No. 70-8787).

H-4       Affiliated Transactions Agreement between Utility Engineering
          Corporation and Public Service Company of Colorado (allocation ratios
          previously filed with Exhibit B-6 to the Application/Declaration of
          NCE on Form U-1, as amended, in File No. 70-8787).

H-5       Affiliated Transactions Agreement between Utility Engineering
          Corporation and Southwestern Public Service Company (allocation
          ratios previously filed with Exhibit B-6 to the
          Application/Declaration of NCE on Form U-1, as amended, in File No.
          70-8787).

I-1       New Century Energies - Subsidiaries and Investments.


                                       28


<PAGE>
(8/4/97)

                                  EXHIBIT I-1
                                (QUESTION 5(a))




                             NEW CENTURY ENERGIES
                         SUBSIDIARIES AND INVESTMENTS



1.   NCE

New Century Energies ("NCE") is a Delaware corporation.  It is a public utility
holding company and owns all of the common stock of PSCo, SPS, Cheyenne, NC
Services, NC Enterprises, WGI, and PSCCC.(1)


























- --------------------
(1) PSCo will transfer ownership of PSCCC to NCE as soon as it obtains the
    approval of the Colorado Public Utilities Commissions.

<PAGE>

2.   PSCo

Public Service Company of Colorado ("PSCo") is a direct subsidiary of NCE.
PSCo has the following subsidiaries: 1480 Welton, Inc. ("1480 Welton"), P.S.R.
Investments, Inc.("PSRI"), Fuel Resources Development Company ("Fuelco"), Green
and Clear Lakes Company ("Green and Clear Lakes"), and several small water and
ditch companies described in more detail below.  For the present, NC
International is also a subsidiary of PSCo.

In 1996, PSCo sold over 25 million kilowatt hours (kWh) of electricity and 155
million cubic feet (Mcf) of gas at retail sales.

GENERATION.  As of December 31, 1996, PSCo has a total net generating
capability of approximately 3,303 MW (megawatts) available from the following
units:

     Arapahoe:  Arapahoe is located in Denver, CO, and has an installed gross
     capacity of 262 MW and a net dependable capacity of 246 MW.  Its major
     fuel source is coal.
     
     Cabin Creek:  A pumped storage hydro station located near Georgetown, CO,
     Cabin Creek has a total capacity of 324 MW at maximum load and a net
     dependable capacity of 162 MW.
     
     Cameo:  Cameo is located near Grand Junction, CO, and has an installed
     gross capacity of 77 MW and a net dependable capacity of 72.7 MW.  Its
     major fuel source is coal.
     
     Cherokee:  Cherokee is located in Denver, CO, and has an installed gross
     capacity of 784 MW and a net dependable capacity of 723 MW.  Its major
     fuel source is coal.
     
     Comanche:  Comanche is located near Pueblo, CO, and has an installed gross
     capacity of 725 MW and a net dependable capacity of 660 MW.  Its major
     fuel source is coal.
     
     Craig:  Craig is located near Craig, CO, and is comprised of three units,
     two of which are partially owned by PSCo.  The total installed gross
     capacity of the units is 894 MW, of which PSCo has a 9.72% undivided
     ownership interest.  PSCo's share in the installed gross capacity is 86.90
     MW.  Its share in the net dependable capacity is 83.20 MW. Its major fuel
     source is coal.
     
     Fort St. Vrain:  Fort St. Vrain is located near Platteville, CO, and is in
     the process of being repowered as a gas-fired combined cycle generating
     plant that will have installed capacity of 471 MW when the repowering is
     complete.  The repowering of Phase 1A was completed in May 1996 with an
     installed gross capacity of 141.45 MW and a net dependable capacity of
     126.75 MW.  Phase 1B, scheduled for completion in 1998, will have an
     installed capacity of 102 MW, and Phase 2, scheduled for completion in
     2000, will have an installed capacity of 239 MW.  Its major fuel source is
     natural gas.

<PAGE>

     Hayden:  Hayden, located near Hayden, CO, is comprised of two units, Units
     1 and 2, which have gross maximum capabilities of 2O2.01 MW and 285.96 MW,
     respectively.  PSCo has a 75.5% undivided ownership interest in Unit 1 and
     a 37.4% undivided ownership interest in Unit 2.  Its total share in the
     installed gross capacity of these units is 259.47 MW.  Its total share in
     the net dependable capacity is 236.90 MW.  Its major fuel source is coal.
     
     Pawnee:  Pawnee is located near Brush, CO, and has an installed gross
     capacity of 530 MW and a net dependable capacity of 495 MW.  Its major
     fuel source is coal.
     
     Valmont:  Valmont is located near Boulder, CO, and has an installed gross
     capacity of 188 MW and a net dependable capacity of 178 MW.  Its major
     fuel source is coal.
     
     Zuni:  Zuni is located in Denver, CO, and has an installed gross capacity
     of 115 MW and a net dependable capacity of 107 MW.  Its major fuel source
     is coal.

PSCo has six combustion turbine units at various locations.  The total
installed gross capacity of these units is 209 MW.  The units' net dependable
capacity is 171 MW.

In addition to Cabin Creek, PSCo has 14 hydro units at various locations,
including one station (two units) not owned by PSCo but operated by it under
contract.  These units have a total installed gross capacity of 53.35 MW.  The
units' net dependable capacity is 36.55 MW.  Seasonal hydro plant net
dependable capabilities are based upon average water conditions and limitations
for each particular season.  The individual plant seasonal capabilities are
sometimes limited by less than design water flow.

PSCo has two diesel generators with a total of 5.5 MW installed gross capacity
and net dependable capacity.

PSCo purchases capacity and energy from various regional utilities and other
facilities in order to meet energy needs of its customers.  Together, PSCo and
Cheyenne purchased approximately 37% of the total electric system energy input
for 1995.

PSCo's steam heating property at December 31, 1996, consisted of 10.5 miles of
transmission, distribution, and service lines in the business district of
Denver, including a steam transmission line connecting the steam heating system
with PSCo's Zuni electric power plant.  Steam is supplied from boilers
installed at PSCo's Denver Steam Plant, which has a capability of 295,000
pounds of steam per hour under sustained load.  An additional 300,000 pounds of
steam per hour is available from PSCo's Zuni electric generating plant on a
peak demand basis.  PSCo also owns service and office facilities in Denver and
other communities located throughout its service territory.

TRANSMISSION.  PSCo's transmission system is located primarily within Colorado,
although small portions of two jointly-owned lines are located in New Mexico
and Nebraska, both along the Colorado border.  The system is interconnected
with the systems of other utilities with which 

<PAGE>

PSCo has major firm purchase power contracts.  PSCo's transmission system 
also interconnects with the system of the Western Area Power Administration 
("WAPA").  A map of the transmission system is enclosed following this 
document.

DISTRIBUTION.  Public Service Company of Colorado distributes electricity to
approximately 1.2 million customers, most of whom are located in the Denver
metropolitan area.  Other major cities served include Grand Junction and
Pueblo, as well as some mountain communities.

GAS FACILITIES.  The gas property of PSCo at December 31, 1996, consisted
chiefly of approximately 15,304 miles of distribution mains ranging in size
from 0.50 to 30 inches and related equipment.  The Denver distribution system
consisted of 8,691 miles of mains.  PSCo also owns and operates four
underground gas storage facilities: Roundup, Asbury, Fruita (all conventional
depleted gas reservoirs), and Leyden (a converted mined cavem).  These combined
facilities have a maximum working volume of 18,974,000 Mcf, and a maximum daily
send out capacity of 252,000 Mcf/day.  The company has one million natural gas
customers.

PSCO SUBSIDIARIES:

     1480 WELTON:  1480 Welton holds certain of PSCo's real estate used or
     intended to be used in the utility business of PSCo.  1480 Welton does not
     hold interests in any other types of properties, nor does it offer
     services to non-system companies.

     FUELCO:  Fuelco was formed to engage in natural gas and oil exploration
     and production.  Fuelco is now a corporation in dissolution under Colorado
     law, and substantially all of Fuelco's assets have been sold.
     
     GREEN AND CLEAR LAKES AND DITCH COMPANIES: Green and Clear Lakes stores
     water for use by a PSCo hydroelectric facility.  The Ditch Companies also
     own utility water rights.
     
     PSRI:  PSRI owns certain life insurance policies acquired prior to 1986 on
     certain PSCo employees and retirees.  PSRI does not intend to acquire any
     new policies or engage in any other active business.  PSRI accounts for
     only 1.4% and 1.6% of PSCo's consolidated revenue in the years ended
     December 31, 1995 and December 31, 1996, respectively.
     
     DITCH COMPANIES:  PSCo holds a greater than 50% interest in several other
     relatively small ditch and water companies: East Boulder Ditch Company,
     Hillcrest Ditch and Reservoir Company, United Water Company, Consolidated
     Extension Canal Company, Enterprise Ditch Company, and Las Animas
     Consolidated Canal Company.  PSCo also holds a less than 50% interest in
     the following small ditch and water companies: Fisher Ditch Water Company,
     Bough Lateral Ditch Company, Beenan Irrigating Ditch and Milling Company
     and Jones and Donelley Ditch Company.  Each of these ditch and irrigation
     companies was acquired for the purpose of providing cooling water for
     generation facilities.  All but two of them are currently utilized in that
     capacity.  The 

<PAGE>

     remaining two companies are being held in anticipation of the need to build
     additional generation facilities in the future.
     
     NC INTERNATIONAL:  NC International owns a 50% interest in Yorkshire Power
     Group Limited, which through a wholly-owned subsidiary called Yorkshire
     Holdings plc, has acquired Yorkshire Electricity Group plc, a regional
     electric company operating in the United Kingdom.  NC International is
     likely to become a wholly-owned subsidiary of e prime, of NC Enterprises,
     or of NCE directly.  It will not remain a subsidiary of PSCo. except
     during an interim period.













<PAGE>

3.   SPS

Southwestern Public Service Company ("SPS") is also a direct subsidiary of NCE.
For the fiscal year 1996, SPS sold approximately 21 billion kWh of electric
energy (retail and wholesale).

GENERATION.  At December 31, 1996, SPS had a total of 4,135 MW net generation
capability.  SPS's steam generation stations have a combined net capability of
3,990 MW.  These stations are:

     Harrington:  Harrington, located near Amarillo, TX, has a net capability
     of 1,066 MW.  Its principal fuel source is coal.
     
     Tolk:  Tolk, located near Muleshoe, TX, has a net capability of 1,080 MW.
     Its principal fuel source is coal.
     
     Jones:  Jones, located near Lubbock, TX, has a net capability of 486 MW.
     Its principal fuel source is natural gas.
     
     Plant X:  Plant X, located near Earth, TX, has a net capability of 442 MW.
     Its principal fuel source is natural gas.
     
     Nichols:  Nichols, located near Amarillo, TX, has a net capability of 457
     MW.  Its principal fuel source is natural gas.
     
     Cunningham:  Cunningham, located near Hobbs, NM, has a net capability of
     267 MW.  Its principal fuel source is natural gas.
     
     Maddox:  Maddox, located near Hobbs, NM, has a net capability of 118 MW.
     Its principal fuel source is natural gas.
     
     Moore County:  Moore County, located near Sunray, TX, has a net capability
     of 48 MW. Its principal fuel source is natural gas.
     
     CZ-2:  CZ-2, located near Pampa, TX, has a net capability of 26 MW.  Its
     principal fuel source is purchased steam.

SPS's other electric generation facilities - gas turbines and diesel engines -
have a total net capability of 145 MW.  These stations are:

     Carlsbad (gas turbine):  Carlsbad, located in Carlsbad, NM, has a net
     capability of 16 MW.
     
     CZ-1 (gas turbine):  CZ-1, located near Pampa, TX, has a net capability of
     13 MW.

<PAGE>

     Maddox (gas turbine):  Maddox, located near Hobbs, NM, has a net
     capability of 76 MW.
     
     Riverview (gas turbine):  Riverview, located near Borger, TX, has a net
     capability of 25 MW.
     
     Tucumcari (diesel engine):  Tucumcari, located in Tucumcari, NM, has a net
     capability of 15 MW.

TRANSMISSION.  The SPS transmission system is in the southwest corner of the
Eastern Interconnection of the United States and is a member of the Southwest
Power Pool ("SPP"), one of the seven reliability councils in the Eastern
Interconnection.  SPS is bordered to the south and southeast by the Electric
Reliability Council of Texas ("ERCOT") and to the west by the WSCC.  SPS is not
interconnected with ERCOT.

SPS is connected with utilities west of its service territory through two high
voltage direct current interconnections in New Mexico and has four
interconnecting transmission lines with utilities of the SPP.

DISTRIBUTION.  SPS provides electricity to approximately 365,000 customers in
four states, including Texas, New Mexico, Oklahoma and Kansas.  Major
communities it serves include Amarillo and Lubbock, Texas, and Roswell, New
Mexico.

<PAGE>

4.   CHEYENNE LIGHT, FUEL & POWER

Cheyenne is also a direct subsidiary of NCE.  Cheyenne does not generate any
electricity, but purchases all of its electric energy requirements from an
unaffiliated electric utility.  Cheyenne does own five small diesel generating
units (nameplate rating of 2 MW each), which are held on cold standby and which
have been contractually placed under the control of the unaffiliated electric
utility company that supplies all of Cheyenne's electric energy requirements.

Cheyenne owns two 115 KV transmission line segments that total 25.5 miles in
length that fall within and are operated by WAPA's Loveland control area.

The gas property of Cheyenne at December 31, 1996, consists chiefly of
approximately 551 miles of distribution/transmission mains ranging in size from
1 to 16 inches and related equipment.











<PAGE>

5.   NC SERVICES

NC Services has been incorporated in Delaware to serve as the service company
for the NCE system.  NC Services will provide PSCo, SPS, Cheyenne, and the
other companies of the NCE system with a variety of administrative, management,
engineering, construction, environmental, and support services.  NC Services
will enter into individual service agreements with all of the direct and
indirect subsidiaries and affiliates of NCE that utilize its services.









<PAGE>

6.   NC ENTERPRISES

NC Enterprises is a direct subsidiary of NCE incorporated to serve as a holding
company for the following non-utility businesses:  Quixx, Utility Engineering,
Natural Fuels Corporation ("Natural Fuels")and e prime.(2)  NC Enterprises may
also directly acquire the capital stock of NC International.

NCE Enterprises Subsidiaries:

     QUIXX.  The primary business of Quixx is investing in and developing
     cogeneration and energy-related projects.  In 1996, Quixx invested $9.8
     million in such projects.  Quixx operates, as a division, Amarillo Railcar
     Services, a railcar maintenance facility that provides inspection, light
     and heavy maintenance, and storage for unit trains.  A majority of these
     services are provided for railcars that transport coal for use by SPS.  In
     addition, Quixx has royalty interests in coal and other minerals produced
     and to be produced from certain New Mexico properties owned by the
     Pittsburgh and Midway Coal Mining Company.  Quixx also finances sales of
     heat pumps and markets other non-utility goods and services.

     Quixx has nine wholly-owned subsidiaries, eight of which hold partnership
     interests in various energy-related limited partnerships.  In addition,
     Quixx directly holds interests in four other entities.  The following is a
     description of Quixx's subsidiaries and investments:

          BCH.  Quixx holds a 42% limited partnership interest in BCH Energy
          Limited Partnership ("BCH"), which owns a waste-to-energy facility
          located near Fayetteville, North Carolina.  The operation of the BCH
          facility has been suspended.  The Facility provided steam to a Du
          Pont De Nemours & Company ("Du Pont") plant near Fayetteville and
          electric power to Carolina Power & Light Company.  In December of
          1996, because of the operational problems that rendered the project
          not economically viable, Quixx wrote off approximately S 16 million,
          representing its entire investment in the project.  Subsequently,
          Quixx made an additional write off of approximately the same
          magnitude.
          
          VEDCO.  Quixx holds a 95% interest in Vedco Louisville L.L.C., which
          owns a facility consisting of two gas-fired boilers providing steam
          to a Du Pont plant in Louisville, Kentucky.
          
          QUIXX JAMAICA, QUIXX JAMAICA POWER AND KES JAMAICA.  Quixx Jamaica,
          Inc. owns a 99% limited partnership interest in KES Jamaica, L.P.,
          which owns a 42.3 MW oil-fired combustion turbine power plant located
          in Montego Bay, Jamaica, W.I., and sells electricity to Jamaica Power
          Services.  The remaining 1% general 

- --------------------
(2)  NCE currently expects to establish a company (as yet unnamed) that will 
     sell, finance, install, and service satellite receiver dishes and a 
     variety of ancillary components to enable customers to receive direct 
     broadcast satellite service.  NC Enterprises will directly hold this 
     company.

<PAGE>

          partnership interest is owned by KES Montego, Inc.  Quixx Jamaica 
          Power, Inc. has reached an agreement in principle to acquire 100% of 
          the stock of KES Montego, Inc.  Both Quixx Jamaica, Inc. and Quixx 
          Jamaica Power, Inc. are wholly-owned subsidiaries of Quixx.

          QUIXX CAROLINA AND CAROLINA ENERGY.  Quixx holds a 32-1/3% limited
          partnership interest and, through Quixx Carolina, Inc., a wholly-
          owned subsidiary of Quixx, a 1% general partnership interest in
          Carolina Energy, Limited Partnership ("Carolina Energy"), which is
          developing, and will own and operate solid waste fueled cogeneration
          facilities in Wilson and Lenoir Counties, North Carolina.  These
          facilities will provide steam to a Du Pont plant and will sell
          electric power to Carolina Power & Light Company.  The project is a
          companion to the BCH project described above, and Quixx and the other
          debt and equity owners of the project are currently studying the
          economic viability of it.  Quixx has approximately $13.2 million
          invested in this project.

          WINDPOWER PARTNERS AND QUIXX WPP94.  Quixx holds a 24.67% limited
          liability partnership interest and, through Quixx WPP94, Inc., a
          wholly-owned subsidiary of Quixx, a 0.33% general partnership
          interest in Windpower Partners, 1994, L.P., which owns a 35 MW wind
          plant in Texas and sells the electricity to the City of Austin and
          the Lower Colorado River Authority.
          
          QUIXX POWER SERVICES.  Quixx Power Services, Inc. ("QPS"), a wholly-
          owned subsidiary of Quixx, has operated and maintained the BCH
          facility in North Carolina and will operate and maintain the Linden
          cogeneration facility and KES Jamaica facility.
          
          DENVER CITY AND QUIXX MUSTANG STATION.  Quixx has recently entered
          into a memorandum of understanding with Golden Spread Electric
          Cooperative, Inc. and an unaffiliated independent power producer to
          construct a 488 MW combined cycle generating facility to be called
          the Mustang Station which, subject to obtaining regulatory approvals,
          would be completed by 1998.  Golden Spread and a limited partnership
          called Denver City Energy Associates, L.P. ("Denver City Energy
          Associates") (of which Quixx will be a general partner and own a 50%
          interest) would each own a 50% undivided interest in the Station.
          Quixx will hold its interest in Denver City Energy Associates through
          a wholly-owned subsidiary, Quixx Mustang Station, Inc.  The power
          from the station would be supplied principally to Golden Spread.  The
          station will be interconnected with the SPS system.
          
          QUIXX WRR AND QUIXX RESOURCES.  Quixx holds a 1% general partnership
          interest and, through Quixx, Resources, Inc., a wholly-owned
          subsidiary of Quixx, a 99% limited partnership interest in Quixx WRR,
          L.P., which will hold all of Quixx's water rights located in Roberts,
          Gray, Hutchinson and Carson Counties, Texas.

<PAGE>

          QUIXX LINDEN AND QUIXXLIN.  Quixx holds a 99% limited partnership
          interest and through Quixxlin Corp., a wholly-owned subsidiary of
          Quixx, a 1% general partnership interest in Quixx Linden, L.P., which
          will construct a 23 MW cogeneration facility that will provide
          electricity, steam and compressed air to General Motors at its plant
          located in Linden, New Jersey.  At least 50% of Quixx's interest will
          be sold to an unaffiliated party upon completion of the facility.
          
          QUIXX BORGER COGEN AND BORGER ENERGY ASSOCIATES.  In February, 1997,
          Quixx announced it will hold a 50% interest in the proposed 216 MW
          cogeneration plant that would be located at the Phillips Refinery
          Complex near Borger, Texas.  Quixx will hold this interest through a
          wholly-owned subsidiary, Quixx Borger Cogen, Inc. ("Borger CoGen"),
          which will in rum be a 50% partner of Borger Energy Associates, L.P.,
          the owner of the plant.  Quixx will share ownership of the facility
          with LS Power.  Construction is expected to begin in 1997 and the
          plant is expected to be operational in the summer of 1998.
          
          MOSBACHER COMPANIES.  Quixx has recently executed an agreement to
          purchase a 50% membership interest in Mosbacher Power Group, L.L.C.
          and Mosbacher Power International, L.L.C. (together the "Mosbacher
          Companies"), which are independent power development companies with
          interests in the development stage in Cambodia, Colombia, Mexico, and
          Brazil.

     UTILITY ENGINEERING.  UE is a wholly-owned subsidiary of NC Enterprises.
     It is engaged in a variety of engineering, development, design,
     procurement, construction and other related services.  UE also owns 25
     electric substations.  These substations are leased to 12 industrial
     customers of SPS.  Although UE does a substantial amount of work for NCE
     companies, UE is primarily involved in projects for non-affiliate
     customers, providing general engineering, development, design, procurement
     construction and other related services.  UE owns three subsidiaries:

          VISTA ENVIRONMENTAL.  UE owns 49% of Vista Environmental.  Vista
          Environmental performs environmental consulting services, client-
          regulatory interfacing, site assessments, due diligence, waste
          management planning, remedial action design and implementation,
          groundwater valuation, mineral surveys, and on-site field supervision
          in both the private and governmental sectors and is providing site
          remediation services, and will continue to provide site remediation
          and other services.
          
          UTILITY SERVICES.  Utility Services provides services related to the
          engineering, design, procurement, and construction of cooling towers
          for power plants, as well as plant construction, distribution,
          operation and maintenance activity, resource recovery, and wood
          product fabrication (cooling tower components and 

<PAGE>

          utility pole crossarms) to unaffiliated parties.  Such services may 
          also be provided to utility and non-utility subsidiary companies and
          affiliates.
          
          PRC.  PRC provides a technical personnel resource database service.
          Its database is comprised of names of individuals with technical
          expertise who can be dispatched to provide temporary services.

     NATURAL FUELS.  NC Enterprises owns 83.63% of this subsidiary, which
     engages in the commercialization of compressed natural gas as a motor
     fuel.  Services that Natural Fuels offers to third parties include
     conversion of vehicles to operate on natural gas or propane; construction,
     ownership, and operation of compressed natural gas fueling facilities; and
     the assembly and sale of compressed natural gas fueling facility
     equipment.  Natural Fuels has the following direct subsidiaries and
     investments:

          NATURAL/TOTAL.  Natural Fuels has a 50% ownership interest in
          Natural/Total Limited Liability Company, which owns and operates
          natural gas fueling stations located at Total Petroleum Gas Stations
          in Colorado.
          
          NATURAL/PEOPLES.  Natural Fuels has a 50% profits interest (25%
          capital interest) in Natural/Peoples Limited Liability Company, a
          Wyoming L.L.C., which owns and operates one natural gas fueling
          station located in Castle Rock, Colorado.
          
          NATURAL/TOTAL/KN.  Through Natural/Total, Natural Fuels owns a 67%
          ownership interest in Natural/Total/KN Limited Partnership, which
          owns the profits interest in the natural gas fueling stations located
          at Total Petroleum sites in the Colorado towns of Grand Junction and
          Glenwood Springs.

     E PRIME: e prime is an energy services company that engages in a broad
     array of energy-related activities and consumer services.  Because e prime
     is a start-up company formed in 1995, its activities are in their
     preliminary phases.  The energy related activities e prime is developing
     and engaging in, or intends to develop and engage in, include: electric
     and gas brokering and marketing at both the wholesale and, where
     authorized by state law, retail levels; energy consulting and project
     development services; construction, operation and ownership of electric
     generation and gas storage facilities; and construction, operation and
     ownership of equipment and facilities to gather and disseminate energy-
     related management information.  Other consumer service activities e prime
     is engaging in or intends to engage in include information processing,
     telecommunications, and other technology-based services.  The following is
     a fuller description of e prime's current activities and the associated e
     prime subsidizes:

          MARKETING:  e prime is currently engaged in purchasing gas and
          electricity from, and reselling it to, utility and non-utility
          companies at negotiated rates reflecting market conditions.  As part
          of its marketing activities, e prime intends to employ risk
          management strategies - e.g., swaps, options, and futures contracts -
          to 

<PAGE>

          enable buyer's to hedge against adverse price changes. e prime is
          currently engaging in electric and, gas marketing.

               Marketing Subsidiaries:
               
               E PRIME MARKETING.  e prime is presently evaluating whether to
               transfer these marketing activities to a special purpose
               subsidiary, e prime Marketing.

          CONSULTING SERVICES:  e prime also provides demand side management
          services and intends to provide other consulting services to
          commercial and industrial customers.  These services include or are
          expected to include energy analysis, project management, design and
          construction, energy efficient equipment installation and
          maintenance, facilities management services, environmental services
          and compliance, fuel procurement, and other similar kinds of
          managerial and technical services.

          FACILITIES:  e prime is constructing or owns and operates electric
          generation, transmission, and distribution and gas storage facilities
          (both foreign and domestic) and is continuing to evaluate additional
          projects.

               Facilities Subsidiaries:
               
               JOHNSTOWN COGENERATION.  e prime owns a 50% interest in
               Johnstown Cogeneration, which owns a 3 MW facility located in
               Johnstown, Colorado.
               
               E PRIME INTERNATIONAL, E PRIME. OPERATING AND KAZAK POWER
               PARTNERS.  e prime international has a 25% interest in Kazak
               Power Partners Limited, which owns Karaganda II, an electric
               generating unit located in Topar, Kazakstan.  e prime
               international also wholly owns e prime operating, which has
               entered into a contract to operate Karaganda II, and intends to
               enter into other operating arrangements.
               
               E PRIME (BELIZE).  e prime also established e prime (Belize)
               Limited to develop, own, and operate a facility in Belize.
               However, it does not appear that e prime will pursue that
               project, and e prime (Belize) Limited will probably be
               dissolved.
               
               EP3.  e prime has a 50% partnership interest (20% general
               partnership interest, 30% limited partnership interest) in ep3,
               which was formed to engage, or invest, in the business of
               marketing, developing, financing, constructing, managing, and
               operating electrical energy transmission, distribution, or
               generation facilities.  It is expected that the primary focus 

<PAGE>

               of these activities will be on Latin America and other emerging
               foreign markets; no domestic activities are presently
               contemplated.

          TELECOMMUNICATIONS, INFORMATION, AND OTHER TECHNOLOGY BASED SERVICES:
          A potential business expansion by e prime is the provision of
          telecommunications, information, and other technology-based services.

               Telecommunications Subsidiaries:
               
               E PRIME TELECOM.  e prime Telecom intends to provide long-haul
               fiber capacity using excess capacity on PSCo's fiber system on a
               wholesale basis to non-NCE companies.
               
               E PRIME NETWORKS.  e prime Networks was established by e prime
               to develop and operate a fixed remote meter reading network to
               provide meter reading services to PSCo for electric and gas
               operations in the Denver metropolitan area.  e prime Networks
               may also provide such services to other electric and gas
               utilities, and perhaps to water utilities as well.  This network
               will consist of meter reading devices attached to the utility
               poles of PSCo, and perhaps other utilities, that will be able to
               read adapted meters in surrounding sectors.

          NATURAL GAS MARKETING:  e prime has established two subsidiaries to
          engage in marketing of natural gas and related services:

               Natural Gas Subsidiaries:
               
               YOUNG GAS:  e prime holds all of the outstanding shares of Young
               Gas, a limited liability company.  Young Gas owns 47.5% interest
               in a limited partnership that owns a gas storage facility that
               stores gas underground primarily for use in PSCo's gas
               operations.
               
               TEXAS OHIO GAS AND TEXAS OHIO PIPELINE.  e prime also owns Texas
               Ohio Gas, a natural gas marketer at both the retail and
               wholesale levels.  Texas Ohio Gas is also engaged in an electric
               retail pilot program in New York.
               
               In connection with its purchase of Texas Ohio Gas, e prime also
               purchased 100% of the shares of Texas Ohio Pipeline, which owns
               a 900-foot FERC-regulated interstate gas pipeline linking the
               pipelines of Texas Eastern Transmission Corporation and
               Tennessee Gas Pipeline Company.  This pipeline provides
               operational flexibility, allowing gas to be moved from one
               pipeline to another, that can be used to assist in Texas Ohio
               Gas's marketing activities.

<PAGE>

7.   WESTGAS INTERSTATE, INC.

WGI is a direct subsidiary of NCE.  It's a natural gas transmission company
operating in Colorado and Wyoming.  WGI's interstate pipeline system consists
of approximately 0.23 miles of 8-inch pipe, 11.45 miles of 4-inch pipe, a 
300-foot 8-inch discharge main, and a meter station.  The facilities extend from
PSCo's Chalk Bluffs meter station in Weld County, Colorado, approximately two
miles south of the Wyoming border, north to the WestGas Paraffin Meadows meter
station in Laramie County, Wyoming.  This meter station is interconnected with
the Cheyenne distribution system, approximately four miles south of the City of
Cheyenne, Wyoming.

The system's peak day capacity is 13 MMcf, and annual throughput is 2,900 MMcf.
Annual 1996 revenues were approximately $114,000.  WGI currently serves only
two customers:  Cheyenne and Frontier Oil and Refining Company.


<PAGE>

8.   PSCCC

PSCCC engages in financing and factoring of certain of PSCo's fuel inventories
and customer accounts receivable.  After a short period of time, PSCCC will
become a direct subsidiary of NCE and engage in factoring and similar
transactions with other companies in the NCE holding company system, including
SPS.  PSCCC may also provide factoring services to unaffiliated utilities.


<PAGE>
                       AFFILIATED TRANSACTIONS AGREEMENT
                                    BETWEEN
                        UTILITY ENGINEERING CORPORATION
                                      AND
                      PUBLIC SERVICE COMPANY OF COLORADO

     This Affiliated Transactions Agreement is made and entered into this 29th
day of September, 1997, by and between Utility Engineering Corporation ("UE")
and Public Service Company of Colorado ("PSCo") (each individually a "Party,"
and collectively, "Parties").

                                  WITNESSETH

     WHEREAS, Parties are associate companies within the New Century Energies,
Inc. system and affiliates of one another.

     WHEREAS, UE is a company that provides, among other things, engineering,
development, design, construction, and other related services.

     WHEREAS, PSCo  is a public utility company that provides electric and gas
services in the State of Colorado.

     WHEREAS, Parties in accordance with the terms of this Agreement agree to
provide construction, goods, and services to one another, as those terms are
defined in Rule 80 of the rules of the Securities and Exchange Commission
("SEC") under the Public Utility Holding Company Act of 1935 ("SEC Rules").

     NOW, THEREFORE, in consideration of the premises and the mutual agreements
herein contained, the Parties covenant and agree as follows:


                             ARTICLE I - SERVICES

     Section 1.1  Upon the receipt of a written work order submitted by UE,
PSCo may provide any of the services specified in Attachment A to UE.
     
     Section 1.2  The SEC has authorized UE to perform on behalf of PSCo
engineering, development, design, construction, and other related services.  In
accordance with that authorization, UE will perform such activities on behalf
of PSCo upon the submission by PSCo to UE of a written work order.  To the
extent that UE's provision of these services on behalf of PSCo requires that UE
obtain goods or materials from outside vendors and suppliers, UE shall
coordinate with PSCo to use its existing supply arrangements to the extent
possible or practicable.  Moreover, in accordance with the terms of Attachment
B, PSCo authorizes UE to execute, enforce, and comply with certain written
instruments on its behalf.


<PAGE>

     Section 1.3  The determination of whether one company (the "Delivering
Party") has the available personnel and resources to perform a requested
service for another (the "Receiving Party") in accordance with a work order
will be entirely within the discretion of the Delivering Party:  the Delivering
Party may at its sole option elect not to perform any requested service, except
that, once having agreed to perform a service, the Delivering Party shall not
withdraw or depart from such performance until completion, or upon less than 30
days notice in the case of services of a continuing nature, unless the
Receiving Party consents (with such consent not to be unreasonably withheld),
or emergency circumstances require, otherwise.

     Section 1.4  The Receiving Party shall have the right from time to time to
amend, alter or rescind any work order provided that (i) any such amendment or
alteration that results in a material change in the scope of the services to be
performed or equipment to be provided is agreed to by the Delivering Party,
(ii) the cost for the services covered by the work order shall include any
expense incurred by the Delivering Party as a direct result of such amendment,
alteration or rescission of the work order, and (iii) no amendment, alteration
or rescission of a work order shall release the Receiving Party from liability
for all costs already incurred by or contracted for by the Delivering Party
pursuant to a work order, regardless of whether the services associated with
such costs have been completed.

     Section 1.5  Companies intend that the relation between them created by
this Article I of this Agreement is that of employer-independent contractor.
No employee or agent of a Delivering Party while performing any requested
service shall be deemed to be an employee or agent of the Receiving Party.  The
Receiving Party is interested only in the results obtained under this Article I
of this agreement.  The manner and means of performing any requested services
are to be under the sole control of the Delivering Party, and the Delivering
Party in the provision of such services may arrange, where it deems
appropriate, for the services of such experts, consultants, advisers, vendors,
subcontractors and other necessary persons with necessary qualifications as are
required for or pertinent to the provision of such services.  None of the
benefits provided by the Receiving Party to its employees, including, but not
limited to, workers' compensation insurance and unemployment insurance, are
available from the Receiving Party to the employees or agents of the Delivering
Party.  The Delivering Party will be solely and entirely responsible for its
acts and for the acts of its employees and agents during the performance of any
services under this Article I.

     Section 1.6  In performing services, the Delivering Party will exercise
due care to assure that the services are performed in an appropriate manner,
meet the standards and specifications set forth in the applicable work order,
and comply with applicable standards of law and regulation.  However, failure
to meet these obligations shall in no event subject the Delivering Party to any
claims by or liabilities to the Receiving Party other than to reperform the
services and be reimbursed at the applicable rate specified in Article III for
such reperformance.  The Delivering Party makes no other warranty with respect
to its performance of the services, and the Receiving Party agrees to accept
such services without further warranty of any nature.


                                       2

<PAGE>

              ARTICLE II - LOANED EMPLOYEES AND LOANED EQUIPMENT

     Section 2.1  At the request of either Party (the "Borrowing Party"), the
other Party (the "Loaning Party") may, but shall not be obligated to, loan
certain of the Loaning Party's employees (the "Loaned Employees") to the
Borrowing Party for the purposes of providing such services (consistent with
Section 1.1 where UE is the Borrowing Party and with Section 1.2 where PSCo is
the Borrowing Party), required by the Borrowing Party for the Borrowing Party
to meet its needs and obligations.

     Section 2.2  At the request of the Borrowing Party, the Loaning Party may,
but shall not be obligated to, loan certain equipment (the "Loaned Equipment")
- - including but not limited to, vehicles, machinery, and tools - to the
Borrowing Party for the Borrowing Party to meet its needs and obligations.

     Section 2.3  The Loaning Party's obligation under this agreement to
provide Loaned Employees and Loaned Equipment to the Borrowing Party shall be
completely at the discretion of the Loaning Party and the times and duration of
use of Loaned Employees or Loaned Equipment by the Borrowing party shall at all
times be under the complete control of the Loaning Party.

     Section 2.4  During any time that employees are loaned under this
agreement, the Borrowing Party shall have complete control over the work
activities of the Loaned Employees (subject to any restrictions specified by
the Loaning Party).  Notwithstanding the foregoing, the Loaned Employees shall
remain the employees of the Loaning Party and shall be compensated by the
Loaning Party.

     Section 2.5  During any time that equipment is loaned under this
agreement, the Borrowing Party shall have complete control over the use of the
Loaned Equipment (subject to any restrictions specified by the Loaning Party).
The Borrowing Party shall reimburse the Loaning Party for any damage to the
Loaned Equipment occurring while under the control of the Borrowing Party,
normal wear and tear excepted.

     Section 2.6  The Parties shall make permanent records of all Loaned
Employees and Loaned Equipment, which records shall include the names of Loaned
Employees, the description of Loaned Equipment, the times that Loaned Employees
or Loaned Equipment are in fact loaned to a Borrowing Party, and the general
duties of the Loaned Employees during the periods of time such Loaned Employees
are under the control and direction of the Borrowing Party.

     Section 2.7  The Borrowing Party shall exonerate, protect, indemnify,
defend, and hold harmless the Loaning Party from and against any and all
liabilities, expenses, claims, and damages of every kind, including, without
limitation, injury to or death of any person or persons (including the Loaned
Employees), and for damage to or loss of property, arising out of or
attributed, directly or indirectly, to operations, performance, or
nonperformance of Loaned Employees (while such Loaned Employees are under the
control of the Borrowing Party) under this agreement, irrespective of the legal
theory upon which any such claim or suit may be based.


                                       3

<PAGE>

     Section 2.8  The Borrowing Party shall exonerate, protect, indemnify,
defend, and hold harmless the Loaning Party from and against any and all
liabilities, expenses, claims, and damages of every kind (including those
arising out of or attributed, directly or indirectly, to or resulting from any
and all acts or omissions of the Loaning Party, whether caused by the sole
negligence of the Loaning Party or by the concurrent negligence of the Loaning
Party), including, without limitation, injury to or death of any person or
persons, and for damage to or loss of property, arising out of or attributed,
directly or indirectly, to use of the Loaned Equipment under this agreement
and/or relating in any way to the Loaned Equipment (while such Loaned Equipment
is under the control of the Borrowing Party), irrespective of the legal theory
upon which any such claim or suit may be based.

     Section 2.9  THE BORROWING PARTY ACKNOWLEDGES THAT IT HAS MADE ALL
INSPECTIONS OF THE LOANED EQUIPMENT IT DEEMS NECESSARY.  EXCEPT AS OTHERWISE
EXPRESSLY SET FORTH IN THIS AGREEMENT THE BORROWING PARTY AGREES TO ACCEPT THE
LOAN OF THE LOANED EQUIPMENT "AS IS" AND "WHERE IS" AND THE LOANING PARTY MAKES
NO REPRESENTATION OR WARRANTY, WHETHER EXPRESS, IMPLIED, OR STATUTORY, AS TO
THE VALUE, CONDITION, SALABILITY, OBSOLESCENCE, MERCHANTABILITY, FITNESS OR
SUITABILITY FOR USE, OR WORKING ORDER OF THE LOANED EQUIPMENT.


                          ARTICLE III - COMPENSATION


     Section 3.1  Where PSCo is the Receiving Party under Article I, it shall
pay UE as the Delivering Party "cost" for the provided services, with cost
determined in accordance with SEC Rule 91.  Attachment C hereto, which may be
updated annually, specifies the cost-based rates that UE shall charge PSCo.

     Section 3.2  Where PSCo is the Delivering Party under Article I, UE shall
pay PSCo for provided services a rate no less than cost, with cost determined
in accordance with SEC Rule 91.

     Section 3.3  Where a Delivering Party provides goods, construction, or
services simultaneously on behalf of the Receiving Party and one or more
associate companies within the NCE system, the costs for such goods,
construction, or services shall be fairly and equitably distributed among the
Receiving Party and such other receiving associate companies using one or more
of the allocation ratios specified in Attachment B.  The Delivery Party shall
specify the allocation ratio(s) to be used in the applicable work orders.

     Section 3.4  By the 25th day of each month, each Company shall render an
invoice for all services provided by it to the other Company during the prior
month.  Such invoices shall be paid within 30 days.


                                       4

<PAGE>

                               ARTICLE IV - TERM

     Section 4.1  This Agreement shall become effective immediately upon its
execution, and shall continue in force until terminated by either Company, such
termination to be on not less than  one year's prior written notice.  Moreover,
in the event that it is determined that the terms of this Agreement conflict
with any regulatory requirement, Companies agree to negotiate in good faith to
modify the Agreement so as to comply with such requirements while preserving
the benefits of the Agreement to the greatest extent possible; provided,
however, that if the Companies cannot agree to such modifications, the
Agreement may be terminated immediately (although each Company shall remain
liable for any work already performed).

                              UTILITY ENGINEERING CORPORATION


                              /s/ Albert A. Smith
                              --------------------------------------------
                              Name:  Albert A. Smith          Date
                              Title: President


                              PUBLIC SERVICE COMPANY OF COLORADO


                              /s/ Wayne Brunetti 
                              --------------------------------------------
                              Name:  Wayne Brunetti           Date
                              Title: Vice Chairman, President & COO









                                       5

<PAGE>

                                 ATTACHMENT A

                   DESCRIPTION OF SERVICES TO BE PROVIDED BY
           PUBLIC SERVICE COMPANY OF COLORADO TO UTILITY ENGINEERING
            CORPORATION UNDER THE AFFILIATED TRANSACTIONS AGREEMENT


Substation construction, maintenance and operations

Substation engineering and support

Power plant facilities, equipment, tools, personnel

Plant engineering and support

Use of facilities and real property


















                                       6

<PAGE>

                                 ATTACHMENT B
                   APPROVAL AUTHORITY FOR COMMODITY SERVICES

     The President and CEO of  UE is hereby authorized to execute, enforce and
comply with all contracts, purchase orders, vouchers, or other documents
(collectively, "Documents") entered into on behalf of  New Century Energy
"NCE's" Commodity Services organization up to a value of $1 million, and where
there is no extraordinary or precedent-setting feature (i.e., non-routine) of
the Documents.  For Documents requiring authorization greater than this amount,
or where the Document is of extraordinary or precedent-setting nature,
Commodity Services' authorized executive or manager approval is required.

     For ongoing Public Service Company of Colorado work only, and under UE's
President and CEO's delegatory authority granted by UE's board of directors,
the senior executive/General Manager of UEDenver is hereby authorized to
execute, enforce and comply with all Documents entered into on behalf of NCE's
Commodity Services organization  up to a value of $500,000 and where there is
no extraordinary or precedent-setting feature of the Documents.  For Documents
requiring authorization for greater than this amount, or where the Document is
of an extraordinary or precedent-setting nature, the previous paragraph
applies.

     For ongoing Public Service Company of Colorado work only, and under UE's
President and CEO's delegatory authority granted by UE's board  of directors,
UE Project Managers and  Managers, up to a value of $100,000, are authorized to
execute, enforce and comply with all Documents falling within UE's Vice
President and Chief Operating Officer or senior executive/General Manager of
UEDenver's signature authorities above.














                                       7


<PAGE>
                       AFFILIATED TRANSACTIONS AGREEMENT
                                    BETWEEN
                        UTILITY ENGINEERING CORPORATION
                                      AND
                      SOUTHWESTERN PUBLIC SERVICE COMPANY

     This Affiliated Transactions Agreement is made and entered into this 29th
day of September, 1997, by and between Utility Engineering Corporation ("UE")
and Southwestern Public Service Company of Colorado ("SPS") (each individually
a "Party," and collectively, "Parties").

                                  WITNESSETH

     WHEREAS, Parties are associate companies within the New Century Energies,
Inc. system and affiliates of one another.

     WHEREAS, UE is a company that provides, among other things, engineering,
development, design, construction, and other related services.

     WHEREAS, SPS is a public utility company that provides electric service in
the States of Texas, New Mexico, Kansas and Oklahoma.

     WHEREAS, Parties in accordance with the terms of this Agreement agree to
provide construction, goods, and services to one another, as those terms are
defined in Rule 80 of the rules of the Securities and Exchange Commission
("SEC") under the Public Utility Holding Company Act of 1935 ("SEC Rules").

     NOW, THEREFORE, in consideration of the premises and the mutual agreements
herein contained, the Parties covenant and agree as follows:


                             ARTICLE I - SERVICES

     Section 1.1  Upon the receipt of a written work order submitted by UE, SPS
may provide any of the services specified in Attachment A to UE.

     Section 1.2  The SEC has authorized UE to perform on behalf of SPS
engineering, development, design, construction, and other related services.  In
accordance with that authorization, UE will perform such activities on behalf
of SPS upon the submission by SPS to UE of a written work order.  To the
extent that UE's provision of these services on behalf of SPS requires that UE
obtain goods or materials from outside vendors and suppliers, UE shall
coordinate with SPS to use its existing supply arrangements to the extent
possible or practicable.

     Section 1.3  The determination of whether one company (the "Delivering
Party") has the available personnel and resources to perform a requested
service for another (the "Receiving 


<PAGE>

Party") in accordance with a work order will be entirely within the 
discretion of the Delivering Party:  the Delivering Party may at its sole 
option elect not to perform any requested service, except that, once having 
agreed to perform a service, the Delivering Party shall not withdraw or 
depart from such performance until completion, or upon less than 30 days 
notice in the case of services of a continuing nature, unless the Receiving 
Party consents (with such consent not to be unreasonably withheld), or 
emergency circumstances require, otherwise.

     Section 1.4  The Receiving Party shall have the right from time to time to
amend, alter or rescind any work order provided that (i) any such amendment or
alteration that results in a material change in the scope of the services to be
performed or equipment to be provided is agreed to by the Delivering Party,
(ii) the cost for the services covered by the work order shall include any
expense incurred by the Delivering Party as a direct result of such amendment,
alteration or rescission of the work order, and (iii) no amendment, alteration
or rescission of a work order shall release the Receiving Party from liability
for all costs already incurred by or contracted for by the Delivering Party
pursuant to a work order, regardless of whether the services associated with
such costs have been completed.

     Section 1.5  Companies intend that the relation between them created by
this Article I of this Agreement is that of employer-independent contractor.
No employee or agent of a Delivering Party while performing any requested
service shall be deemed to be an employee or agent of the Receiving Party.  The
Receiving Party is interested only in the results obtained under this Article I
of this agreement.  The manner and means of performing any requested services
are to be under the sole control of the Delivering Party, and the Delivering
Party in the provision of such services may arrange, where it deems
appropriate, for the services of such experts, consultants, advisers, vendors,
subcontractors and other necessary persons with necessary qualifications as are
required for or pertinent to the provision of such services.  None of the
benefits provided by the Receiving Party to its employees, including, but not
limited to, workers' compensation insurance and unemployment insurance, are
available from the Receiving Party to the employees or agents of the Delivering
Party.  The Delivering Party will be solely and entirely responsible for its
acts and for the acts of its employees and agents during the performance of any
services under this Article I.

     Section 1.6  In performing services, the Delivering Party will exercise
due care to assure that the services are performed in an appropriate manner,
meet the standards and specifications set forth in the applicable work order,
and comply with applicable standards of law and regulation.  However, failure
to meet these obligations shall in no event subject the Delivering Party to any
claims by or liabilities to the Receiving Party other than to reperform the
services and be reimbursed at the applicable rate specified in Article III for
such reperformance.  The Delivering Party makes no other warranty with respect
to its performance of the services, and the Receiving Party agrees to accept
such services without further warranty of any nature.


                                       2

<PAGE>

              ARTICLE II - LOANED EMPLOYEES AND LOANED EQUIPMENT

     Section 2.1  At the request of either Party (the "Borrowing Party"), the
other Party (the "Loaning Party") may, but shall not be obligated to, loan
certain of the Loaning Party's employees (the "Loaned Employees") to the
Borrowing Party for the purposes of providing such services (consistent with
Section 1.1 where UE is the Borrowing Party and with Section 1.2 where SPS is
the Borrowing Party), required by the Borrowing Party for the Borrowing Party
to meet its needs and obligations.

     Section 2.2  At the request of the Borrowing Party, the Loaning Party may,
but shall not be obligated to, loan certain equipment (the "Loaned Equipment")
- - including but not limited to, vehicles, machinery, and tools - to the
Borrowing Party for the Borrowing Party to meet its needs and obligations.

     Section 2.3  The Loaning Party's obligation under this agreement to
provide Loaned Employees and Loaned Equipment to the Borrowing Party shall be
completely at the discretion of the Loaning Party and the times and duration of
use of Loaned Employees or Loaned Equipment by the Borrowing party shall at all
times be under the complete control of the Loaning Party.

     Section 2.4  During any time that employees are loaned under this
agreement, the Borrowing Party shall have complete control over the work
activities of the Loaned Employees (subject to any restrictions specified by
the Loaning Party).  Notwithstanding the foregoing, the Loaned Employees shall
remain the employees of the Loaning Party and shall be compensated by the
Loaning Party.

     Section 2.5  During any time that equipment is loaned under this
agreement, the Borrowing Party shall have complete control over the use of the
Loaned Equipment (subject to any restrictions specified by the Loaning Party).
The Borrowing Party shall reimburse the Loaning Party for any damage to the
Loaned Equipment occurring while under the control of the Borrowing Party,
normal wear and tear excepted.

     Section 2.6  The Parties shall make permanent records of all Loaned
Employees and Loaned Equipment, which records shall include the names of Loaned
Employees, the description of Loaned Equipment, the times that Loaned Employees
or Loaned Equipment are in fact loaned to a Borrowing Party, and the general
duties of the Loaned Employees during the periods of time such Loaned Employees
are under the control and direction of the Borrowing Party.

     Section 2.7  The Borrowing Party shall exonerate, protect, indemnify,
defend, and hold harmless the Loaning Party from and against any and all
liabilities, expenses, claims, and damages of every kind, including, without
limitation, injury to or death of any person or persons (including the Loaned
Employees), and for damage to or loss of property, arising out of or
attributed, directly or indirectly, to operations, performance, or
nonperformance of Loaned Employees (while such Loaned Employees are under the
control of the Borrowing Party) under this agreement, irrespective of the legal
theory upon which any such claim or suit may be based.


                                       3

<PAGE>

     Section 2.8  The Borrowing Party shall exonerate, protect, indemnify,
defend, and hold harmless the Loaning Party from and against any and all
liabilities, expenses, claims, and damages of every kind (including those
arising out of or attributed, directly or indirectly, to or resulting from any
and all acts or omissions of the Loaning Party, whether caused by the sole
negligence of the Loaning Party or by the concurrent negligence of the Loaning
Party), including, without limitation, injury to or death of any person or
persons, and for damage to or loss of property, arising out of or attributed,
directly or indirectly, to use of the Loaned Equipment under this agreement
and/or relating in any way to the Loaned Equipment (while such Loaned Equipment
is under the control of the Borrowing Party), irrespective of the legal theory
upon which any such claim or suit may be based.

     Section 2.9  THE BORROWING PARTY ACKNOWLEDGES THAT IT HAS MADE ALL
INSPECTIONS OF THE LOANED EQUIPMENT IT DEEMS NECESSARY.  EXCEPT AS OTHERWISE
EXPRESSLY SET FORTH IN THIS AGREEMENT THE BORROWING PARTY AGREES TO ACCEPT THE
LOAN OF THE LOANED EQUIPMENT "AS IS" AND "WHERE IS" AND THE LOANING PARTY MAKES
NO REPRESENTATION OR WARRANTY, WHETHER EXPRESS, IMPLIED, OR STATUTORY, AS TO
THE VALUE, CONDITION, SALABILITY, OBSOLESCENCE, MERCHANTABILITY, FITNESS OR
SUITABILITY FOR USE, OR WORKING ORDER OF THE LOANED EQUIPMENT.


                          ARTICLE III - COMPENSATION


     Section 3.1  Where SPS is the Receiving Party under Article I, it shall
pay UE as the Delivering Party "cost" for the provided services, with cost
determined in accordance with SEC Rule 91.

     Section 3.2  Where SPS is the Delivering Party under Article I, UE shall
pay SPS for provided services a rate no less than cost, with cost determined in
accordance with SEC Rule 91.

     Section 3.3  Where a Delivering Party provides goods, construction, or
services simultaneously on behalf of the Receiving Party and one or more
associate companies within the NCE system, the costs for such goods,
construction, or services shall be fairly and equitably distributed among the
Receiving Party and such other receiving associate companies using one or more
of the allocation ratios specified in Attachment B.  The Delivery Party shall
specify the allocation ratio(s) to be used in the applicable work orders.

     Section 3.4  By the 25th day of each month, each Company shall render an
invoice for all services provided by it to the other Company during the prior
month.  Such invoices shall be paid within 30 days.


                                       4

<PAGE>

                               ARTICLE IV - TERM

     Section 4.1  This Agreement shall become effective immediately upon its
execution, and shall continue in force until terminated by either Company, such
termination to be on not less than  one year's  prior written notice.
Moreover, in the event that it is determined that the terms of this Agreement
conflict with any regulatory requirement, Companies agree to negotiate in good
faith to modify the Agreement so as to comply with such requirements while
preserving the benefits of the Agreement to the greatest extent possible;
provided, however, that if the Companies cannot agree to such modifications,
the Agreement may be terminated immediately (although each Company shall remain
liable for any work already performed).

                              UTILITY ENGINEERING CORPORATION


                              /s/ Albert A. Smith 
                              --------------------------------------------
                              Name:  Albert A. Smith            Date
                              Title: President


                              SOUTHWESTERN PUBLIC SERVICE COMPANY


                              /s/ David Wilks
                              --------------------------------------------
                              Name:  David Wilks                Date
                              Title: President & COO











                                       5

<PAGE>

                                 ATTACHMENT A

                   DESCRIPTION OF SERVICES TO BE PROVIDED BY
          SOUTHWESTERN PUBLIC SERVICE COMPANY TO UTILITY ENGINEERING
            CORPORATION UNDER THE AFFILIATED TRANSACTIONS AGREEMENT


Substation construction, maintenance and operations

Substation engineering and support

Power plant facilities, equipment, tools, personnel

Plant engineering and support

Use of facilities and real property


















                                       6



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