PUBLIC SERVICE CO OF COLORADO
424B5, 1996-05-29
ELECTRIC & OTHER SERVICES COMBINED
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PROSPECTUS SUPPLEMENT
- ---------------------
(To Prospectus Dated May 28, 1996)

                                  $125,000,000

                       Public Service Company of Colorado

                   First Collateral Trust Bonds, Series No. 3

                              7-1/8% Bonds due 2006

                               ------------------
                     Interest Payable June 1 and December 1
                               ------------------

    The First  Collateral  Trust  Bonds,  Series  No. 3, due 2006 (the  "Offered
Bonds") of Public Service Company of Colorado (the "Company") will bear interest
at 7-1/8% per annum and  will not be redeemable prior to maturity.  See "CERTAIN
TERMS  OF  THE  OFFERED  BONDS"  herein  and  "DESCRIPTION  OF THE BONDS" in the
accompanying Prospectus.

    The Offered Bonds will be  represented  by a global bond (the "Global Bond")
registered  in the  name  of a  nominee  of The  Depository  Trust  Company,  as
Depository.  Beneficial  interests in the Global Bond representing Offered Bonds
will be shown on, and transfers  thereof will be effected only through,  records
maintained by the Depository and its participants. The Offered Bonds will not be
represented by certificates  issued in definitive form (such an Offered Bond, so
represented,  being  called a  "Certificated  Bond"),  except  under the limited
circumstances   described   herein.   See   "CERTAIN   TERMS   OF  THE   OFFERED
BONDS--Book-Entry System."

    As discussed herein and in the accompanying Prospectus, the principal of and
accrued  interest on the Offered Bonds will be secured by (i) an equal principal
amount of first  mortgage  bonds of the Company,  which will not bear  interest,
delivered  to the  Trustee  under the  Mortgage,  and (ii) a second  mortgage on
substantially  all of the  Company's  properties  used in the  electric  utility
business.  Since such first  mortgage  bonds will not bear  interest,  an amount
equal to accrued interest,  if any, on the Offered Bonds will be secured only by
such  second  mortgage.   See  "DESCRIPTION  OF  THE   BONDS--Security"  in  the
accompanying Prospectus.
                               ------------------

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
         AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR
             HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE
                SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
                  ADEQUACY OF THIS PROSPECTUS SUPPLEMENT OR THE
                       ACCOMPANYING PROSPECTUS TO WHICH IT
                       RELATES. ANY REPRESENTATION TO THE
                         CONTRARY IS A CRIMINAL OFFENSE.

================================================================================
                               Price to         Underwriting        Proceeds to
                              Public (1)        Discount (2)      Company (1)(3)
- --------------------------------------------------------------------------------
Per Offered Bond..........      99.366%             .65%              98.716%
- --------------------------------------------------------------------------------
  Total...................   $124,207,500         $812,500         $123,395,000
================================================================================

(1) Plus accrued interest, if any, from May 31, 1996.
(2) The Company has agreed to indemnify the several Underwriters against certain
    liabilities under the Securities Act of 1933, as amended.See "UNDERWRITING."
(3) Before deduction of expenses payable by the Company estimated at $300,000.

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

    The  Offered  Bonds are  offered  subject  to prior  sale,  when,  as and if
delivered  to and  accepted  by the  Underwriters,  and  subject to  approval of
certain  legal  matters  by their  counsel  and  counsel  for the  Company.  The
Underwriters  reserve the right to withdraw,  cancel or modify such offer and to
reject  orders in whole or in part.  It is expected that delivery of the Offered
Bonds will be made through the  book-entry  facilities of The  Depository  Trust
Company on or about May 31, 1996.

                              ------------------
Merrill Lynch & Co.          Goldman, Sachs & Co.       PaineWebber Incorporated
                              ------------------

             The date of this Prospectus Supplement is May 28, 1996.


<PAGE>



    IN CONNECTION WITH THIS OFFERING,  THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS  WHICH  STABILIZE OR MAINTAIN  THE MARKET  PRICE OF THE  SECURITIES
OFFERED HEREBY AT A LEVEL ABOVE THAT WHICH MIGHT  OTHERWISE  PREVAIL IN THE OPEN
MARKET. SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.

                               RECENT DEVELOPMENTS

    The Company's  Annual Report on Form 10-K for the fiscal year ended December
31, 1995;  Quarterly  Report on Form 10-Q for the quarter  ended March 31, 1996;
and Current  Report on Form 8-K dated January 31, 1996,  incorporated  herein by
reference  (see  "Incorporation  of  Certain  Documents  by  Reference"  in  the
accompanying  Prospectus),  contain  information  with  respect to the  proposed
mergers of two  wholly-owned  subsidiaries of New Century  Energies,  Inc. ("New
Century"),  a newly formed holding  company,  into the Company and  Southwestern
Public Service Company  ("SPS"),  respectively.  As a result,  New Century would
become the holding  company for the Company and SPS, but the  transaction  would
not affect the  outstanding  debt,  including  the Offered  Bonds,  or shares of
preferred  stock of the  Company.  The  transaction  would  result in the common
shareholders  of the Company  owning 62% of the common equity of New Century and
the common shareholders of SPS owning 38% of the common equity of New Century.

    The  transaction  is subject to  customary  closing  conditions,  including,
without limitation,  the receipt of all necessary governmental approvals and the
making of all necessary governmental filings.  Furthermore, the merger agreement
may be terminated under certain circumstances, including, without limitation, by
mutual written consent of the Boards of Directors of the Company and SPS.

    Following the transaction,  New Century will maintain its corporate  offices
in Denver,  Colorado and significant  operating offices in Amarillo,  Texas. The
headquarters of the Company and SPS will remain in their current locations,  and
each of the Company and SPS will continue their existing utility operations.

                       CERTAIN TERMS OF THE OFFERED BONDS

    The following  information  concerning  the Offered Bonds  supplements,  and
should be read in conjunction  with, the statements  under  "DESCRIPTION  OF THE
BONDS" in the accompanying  Prospectus.  Certain  capitalized  terms used herein
which  are  not  otherwise  defined  herein  are  defined  in  the  accompanying
Prospectus.

General

    The  Offered  Bonds  will be  issued  as a  series  of the  Company's  First
Collateral  Trust Bonds under the Mortgage,  as previously  supplemented  and as
further supplemented by the supplemental  indenture dated as of May 1, 1996 (the
"Supplemental Indenture"),  relating to the Offered Bonds. The statements herein
concerning the Offered Bonds,  the Mortgage and the  Supplemental  Indenture are
merely a summary and do not purport to be complete.  Such statements make use of
terms defined in the Mortgage and are  qualified in their  entirety by reference
to said documents.

    The  Offered  Bonds will be issued in fully  registered  form only,  without
coupons.  Each Offered Bond will be issued initially in book-entry form.  Except
as set forth herein under "Book-Entry System",

                                     S-2

<PAGE>



the Offered Bonds will not be issuable as  Certificated  Bonds.  The  authorized
denominations  of the  Offered  Bonds  will be  $1,000  and  integral  multiples
thereof.

Payment and Maturity

    Each Offered Bond will bear interest from May 31, 1996, payable semiannually
on June 1 and  December 1,  commencing  December 1, 1996.  The  interest on each
Offered Bond (other than interest  payable at maturity) will be payable by check
mailed to the person in whose name such Offered Bond is  registered at the close
of business on the May 15 or November 15, as the case may be, next preceding the
interest  payment  date in  respect  thereof,  except  that (a) in the case of a
Global Bond representing  Offered Bonds, such payment will be made in accordance
with  arrangements  then in  effect  among  the  Company,  the  Trustee  and the
Depository (as  hereinafter  defined),  and (b) if and to the extent the Company
defaults in the payment of the interest due on any interest  payment date,  such
defaulted  interest  will be paid to the person in whose name such  Offered Bond
(or any bond or bonds issued upon  transfer or exchange  thereof) is  registered
five  business  days  before  the date of payment  of such  defaulted  interest.
Principal,  premium,  if any, and interest due at maturity on the Offered  Bonds
will be payable upon presentation  thereof at the office of the Trustee that has
been designated by the Company as its office or agency for payment.

    The Offered Bonds will mature on June 1, 2006,  will be initially  issued in
the aggregate  principal amount of  $125,000,000,  and will bear interest at the
rate set forth on the cover page hereof.

Redemption of the Offered Bonds

    The Offered Bonds will not be redeemable prior to maturity.

Book-Entry System

    The Offered Bonds will be issued in whole or in part in the form of a Global
Bond that will be deposited with, or on behalf of, The Depository Trust Company,
New York,  New York ("DTC"),  or such other  depository  as may be  subsequently
designated  by the  Company  (DTC and any such  other  depository  being  herein
referred to as the "Depository"),  and registered in the name of the Depository,
or its nominee.  Except under the limited circumstances described below, Offered
Bonds  represented by a Global Bond will not be  exchangeable  for  Certificated
Bonds.

    So long as the  Depository,  or its nominee,  is the  registered  owner of a
Global  Bond,  such  Depository  or such  nominee,  as the case may be,  will be
considered  the  sole  registered   holder  of  the  individual   Offered  Bonds
represented by such Global Bond for all purposes under the Mortgage. Payments of
principal of and premium,  if any, and any interest on individual  Offered Bonds
represented by a Global Bond will be made to the  Depository or its nominee,  as
the case may be, as the  registered  holder of such Global  Bond.  Except as set
forth  below,  owners  of  beneficial  interests  in a Global  Bond  will not be
entitled to have any of the individual  Offered Bonds represented by such Global
Bond  registered  in their  names,  will not  receive or be  entitled to receive
physical  delivery  of any such  Offered  Bonds and will not be  considered  the
registered holder thereof under the Mortgage, including, without limitation, for
purposes  of  consenting  to any  amendment  thereof  or  supplement  thereto as
described in the accompanying Prospectus.


                                     S-3

<PAGE>



    If (x) the  Depository  is at any time  unwilling  or unable to  continue as
depository  and a successor  depository is not appointed  within 90 days, or (y)
the Company  executes and delivers to the Trustee a Company  Order to the effect
that the Global  Bond  shall be  exchangeable,  or (z) an Event of  Default  has
occurred and is continuing  with respect to the Offered Bonds and there has been
delivered  to the  Company  and the  Trustee an Opinion of Counsel to the effect
that the  interests  of the  beneficial  owners of the Offered  Bonds in respect
thereof will be materially  impaired unless such owners hold Certificated Bonds,
the Company will issue individual  Certificated Bonds in exchange for the Global
Bond  representing  the  corresponding  Offered Bonds. In any such instance,  an
owner of an  Offered  Bond  represented  by a Global  Bond will be  entitled  to
physical delivery of individual  Certificated Bonds equal in principal amount to
such Offered Bond and to have such  Certificated  Bonds  registered in its name.
Individual  Certificated  Bonds so issued will be issued as  registered  Offered
Bonds in denominations of $1,000 and integral multiples thereof.

    The following is based upon information furnished by DTC:

               DTC is a  limited-purpose  trust company organized under the
          New York Banking Law, a "banking organization" within the meaning
          of the New York  Banking  Law,  a member of the  Federal  Reserve
          System,  a "clearing  corporation"  within the meaning of the New
          York Uniform  Commercial Code, and a "clearing agency" registered
          pursuant  to the  provisions  of  Section  17A of the  Securities
          Exchange Act of 1934, as amended.  DTC holds  securities that its
          direct participants ("Direct Participants") deposit with DTC. DTC
          also  facilitates  the settlement  among Direct  Participants  of
          securities  transactions,  such  as  transfers  and  pledges,  in
          deposited securities through electronic  computerized  book-entry
          changes in Direct Participants' accounts, thereby eliminating the
          need for physical  movement of  securities  certificates.  Direct
          Participants include securities brokers and dealers, banks, trust
          companies,    clearing    corporations,    and   certain    other
          organizations.   DTC  is  owned  by  a  number   of  its   Direct
          Participants  and by the  New  York  Stock  Exchange,  Inc.,  the
          American Stock  Exchange,  Inc., and the National  Association of
          Securities  Dealers,  Inc.  Access  to the  DTC  system  is  also
          available  to others  such as  securities  brokers  and  dealers,
          banks,  and trust  companies  that clear  through  or  maintain a
          custodial relationship with a Direct Participant, either directly
          or  indirectly  ("Indirect  Participants";  together  with Direct
          Participants,  the  "Participants").  The Rules applicable to DTC
          and its Participants are on file with the Securities and Exchange
          Commission.

               Purchases of Offered Bonds under the DTC system must be made
          by or through  Direct  Participants,  which will receive a credit
          for the Offered Bonds on DTC's records. The ownership interest of
          each actual purchaser of each Offered Bond  ("Beneficial  Owner")
          is  in  turn  to  be   recorded   on  the  Direct  and   Indirect
          Participants' records. Beneficial Owners will not receive written
          confirmation  from DTC of their purchase,  but Beneficial  Owners
          are expected to receive written  confirmations  providing details
          of the  transaction,  as well as  periodic  statements  of  their
          holdings,  from the Direct or Indirect  Participant through which
          the  Beneficial  Owner entered into the  transaction.  Beneficial
          Owners will not receive certificates representing their ownership
          interests in Offered  Bonds,  except in the event that use of the
          book-entry system for the Offered Bonds is discontinued.


                                     S-4

<PAGE>



               Transfers of ownership interests in the Offered Bonds are to
          be  accomplished  by  entries  made on the books of  Participants
          acting  on  behalf  of  the  Beneficial   Owners.  To  facilitate
          subsequent transfers, all Offered Bonds deposited by Participants
          with DTC are registered in the name of DTC's partnership nominee,
          Cede & Co.  The  deposit  of  Offered  Bonds  with DTC and  their
          registration  in the  name  of Cede & Co.  effect  no  change  in
          beneficial  ownership.   DTC  has  no  knowledge  of  the  actual
          Beneficial  Owners of the Offered  Bonds;  DTC's records  reflect
          only the identity of the Direct  Participants  to whose  accounts
          such  Offered  Bonds  are  credited,  which may or may not be the
          Beneficial  Owners.  The Participants will remain responsible for
          keeping account of their holdings on behalf of their customers.

               Conveyance  of notices  and other  communications  by DTC to
          Direct   Participants,   by  Direct   Participants   to  Indirect
          Participants,   and   by   Direct   Participants   and   Indirect
          Participants   to   Beneficial   Owners   will  be   governed  by
          arrangements  among them,  subject to any statutory or regulatory
          requirements as may be in effect from time to time.

               Redemption  notices  must be sent to Cede & Co. If less than
          all of the Offered Bonds  represented  by a Global Bond are being
          redeemed, DTC's practice is to determine by lot the amount of the
          interest  of each  Direct  Participant  in such Global Bond to be
          redeemed.

               Neither DTC nor Cede & Co. will consent or vote with respect
          to  Offered  Bonds.  Under  its  usual  procedures,  DTC mails an
          "Omnibus  Proxy" to the  Company  as soon as  possible  after the
          record date. The Omnibus Proxy assigns Cede & Co.'s consenting or
          voting rights to those Direct  Participants to whose accounts the
          Offered  Bonds are credited on the record date  (identified  in a
          listing attached to the Omnibus Proxy).

               Principal and interest payments on the Offered Bonds will be
          made to DTC.  DTC's  practice is to credit  Direct  Participants'
          accounts on payment  dates in  accordance  with their  respective
          holdings  shown on DTC's records unless DTC has reason to believe
          that it will not receive payment on the applicable  payment date.
          Payments by Participants to Beneficial Owners will be governed by
          standing  instructions  and customary  practices,  as is the case
          with securities held for the accounts of customers in bearer form
          or registered in "street name," and will be the responsibility of
          such  Participant  and not of DTC, the  Trustee,  or the Company,
          subject to any statutory or regulatory  requirements as may be in
          effect from time to time.  Payment of  principal  and interest to
          DTC is the  responsibility  of the Trustee.  Disbursement of such
          payments to Direct  Participants  shall be the  responsibility of
          DTC, and  disbursements  of such  payments to  Beneficial  Owners
          shall be the responsibility of the Participants.

               DTC may  discontinue  providing  its services as  securities
          depository  with  respect  to the  Offered  Bonds  at any time by
          giving  reasonable  notice to the Company and the Trustee.  Under
          such  circumstances,  in the event  that a  successor  securities
          depository is not obtained, Certificated Bonds are required to be
          printed and delivered.

    The  Company  may  decide to  discontinue  use of the  system of  book-entry
transfers  through DTC (or a successor  securities  depository).  In that event,
Certificated Bonds will be printed and delivered.

                                     S-5

<PAGE>




    The information in this section  concerning DTC and DTC's book-entry  system
has been obtained from sources that the Company believes to be reliable, but the
Company takes no responsibility for the accuracy thereof.

    None of the Company, the Trustee or any agent for payment on or registration
of transfer or exchange  of the Offered  Bonds will have any  responsibility  or
liability for any aspect of the records  relating to or payments made on account
of beneficial  interests in such Global Bond or for maintaining,  supervising or
reviewing any records relating to such beneficial interests.

                             APPLICATION OF PROCEEDS

    The net proceeds from the sale of the Offered Bonds will be used to fund the
Company's  construction  program,  for other general  corporate  purposes and to
repay short term indebtedness incurred for such purposes.

                                  UNDERWRITING

    Subject to the terms and conditions set forth in the Bond Purchase  Contract
dated as of May 28, 1996 (the "Bond  Purchase  Contract")  among the Company and
Merrill Lynch,  Pierce,  Fenner & Smith Incorporated,  Goldman,  Sachs & Co. and
PaineWebber Incorporated (the "Underwriters"), the Company has agreed to sell to
the Underwriters,  and the Underwriters  have severally agreed to purchase,  the
respective  principal  amounts of the Offered  Bonds set forth after their names
below.


                                                     Principal
      Underwriter                                     Amount
      -----------                                     ------

    Merrill Lynch, Pierce, Fenner & Smith
                     Incorporated..................$ 42,000,000
    Goldman, Sachs & Co............................  41,500,000
    PaineWebber Incorporated.......................  41,500,000
       Total.......................................$125,000,000


    The  Underwriters  have advised the Company  that they propose  initially to
offer the Offered Bonds to the public at the public  offering price set forth on
the cover page of this  Prospectus  Supplement,  and to certain  dealers at such
price  less a  concession  not in excess of .4% of the  principal  amount of the
Offered Bonds; that the Underwriters may allow, and such dealers may reallow,  a
discount not in excess of .25% of the  principal amount of the Offered  Bonds to
certain other dealers;  and that after the initial public  offering,  the public
offering price, concession and discount may be changed.

    The Bond  Purchase  Contract  provides  that the Company will  indemnify the
Underwriters  against  certain  liabilities,  including  liabilities  under  the
Securities Act of 1933, as amended.

    Merrill Lynch, Pierce, Fenner & Smith Incorporated, Goldman, Sachs & Co. and
PaineWebber  Incorporated and certain  affiliates thereof engage in transactions
with and perform  services  for the Company and its  affiliates  in the ordinary
course of business.

                                     S-6

<PAGE>




PROSPECTUS

                                  $306,000,000

                       PUBLIC SERVICE COMPANY OF COLORADO

           First Collateral Trust Bonds And Cumulative Preferred Stock

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

    Public  Service  Company of Colorado (the  "Company") may offer from time to
time (i) its First  Collateral  Trust  Bonds (the "New  Bonds"),  in one or more
series,  and (ii) its Cumulative  Preferred Stock, $100 par value per share (the
"$100 Cumulative  Preferred Stock") or its Cumulative Preferred Stock ($25), $25
par value per share (the "$25 Cumulative Preferred Stock" and, together with the
$100 Cumulative  Preferred  Stock,  the "New Preferred  Stock"),  in one or more
series.  The New Bonds and the New Preferred  Stock are referred to  hereinafter
individually and sometimes collectively as the "Securities". The Securities will
be issued in  amounts,  at prices and on terms to be  determined  at the time or
times of sale. The sum of the aggregate  principal  amount of the New Bonds plus
the  aggregate  par value of the shares of New  Preferred  Stock will not exceed
$306,000,000 (the "Stated Value").

    For each  offering  of the  Securities  for which this  Prospectus  is being
delivered,   there  will  be  an  accompanying  Prospectus  Supplement  (each  a
"Prospectus  Supplement") that will set forth where applicable,  with respect to
the New Bonds,  the series  designation,  the aggregate  principal amount of the
series,  the maturity  date or dates,  the  interest  rate or rates and times of
payment  of  interest,  the  provisions  for  redemption,   if  any,  and  other
provisions,  together with the initial  public  offering  price and the terms of
offering of such New Bonds;  and with respect to the New  Preferred  Stock,  the
series designation,  the specific number of shares,  liquidation value, dividend
rate or rates,  any  redemption  and  sinking  fund terms and other  provisions,
together  with the initial  public  offering  price and the terms of offering of
such New Preferred Stock.

     The Securities may be sold by the Company through  underwriters or dealers,
directly by the  Company or through  agents for  offering  pursuant to the terms
fixed at the time of sale. See "PLAN OF DISTRIBUTION" herein.

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

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
         AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR
             HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE
                SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
                 ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION
                     TO THE CONTRARY IS A CRIMINAL OFFENSE.

                  The date of this Prospectus is May 28, 1996.


<PAGE>



                              AVAILABLE INFORMATION


    The Company is subject to the  informational  requirements of the Securities
Exchange  Act of 1934,  as  amended  (the  "Exchange  Act"),  and in  accordance
therewith  files  reports,  proxy  statements  and  other  information  with the
Securities  and Exchange  Commission  (the "SEC") and the New York,  Chicago and
Pacific Stock Exchanges.  Such reports,  proxy statements and other  information
can be inspected and copied at the public reference facilities maintained by the
SEC at Room 1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C., and
at the following  regional  offices of the SEC: New York Regional  Office,  13th
Floor,  Seven World Trade Center,  New York, New York, and the Chicago  Regional
Office, 14th Floor, 500 West Madison Street, Chicago,  Illinois.  Copies of this
material  can also be obtained  at  prescribed  rates from the Public  Reference
Section of the SEC at its principal office at Judiciary Plaza, 450 Fifth Street,
N.W.,  Washington,  D.C. 20549. The Common Stock of the Company is listed on the
New York,  Chicago and Pacific Stock  Exchanges.  The Company's $100  Cumulative
Preferred  Stock 4-1/4%  Series is listed on the American  Stock  Exchange.  The
Company's  $100  Cumulative  Preferred  Stock  7.15%  Series and $25  Cumulative
Preferred Stock 8.40% Series are listed on the New York Stock Exchange. Reports,
proxy  statements and other  information can also be inspected and copied at the
offices of such exchanges on the 7th Floor, 20 Broad Street, New York, New York;
on the 12th Floor,  440 South LaSalle Street,  Chicago,  Illinois;  and 301 Pine
Street, San Francisco, California, respectively.


                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

    The  Company's  most  recent  Annual  Report on Form 10-K filed  pursuant to
Section  13(a) or 15(d) of the Exchange Act and all other  reports  filed by the
Company  pursuant to Section 13(a) or 15(d) of the Exchange Act since the end of
the  fiscal  year  covered  by such  Annual  Report  on  Form  10-K  are  hereby
incorporated  herein by  reference.  In  addition,  all  documents  filed by the
Company  pursuant  to Section  13(a),  13(c),  14 or 15(d) of the  Exchange  Act
subsequent to the date of this  Prospectus  and prior to the  termination of the
offering made hereby shall be deemed to be  incorporated  by reference into this
Prospectus and to be a part hereof from the date of filing such  documents.  The
documents  incorporated  or deemed to be  incorporated  herein by reference  are
sometimes  hereinafter  called  the  "Incorporated   Documents."  Any  statement
contained  in an  Incorporated  Document  shall  be  deemed  to be  modified  or
superseded  for all  purposes  to the  extent  that a  statement  herein or in a
Prospectus  Supplement  or  supplement  thereto  or in  any  subsequently  filed
Incorporated  Document  modifies or supersedes such statement.  The Incorporated
Documents incorporated herein by reference as of the date of this Prospectus are
the Company's  Annual Report on Form 10-K for the year ended  December 31, 1995;
the  Company's  Quarterly  Report on Form 10-Q for the  quarter  ended March 31,
1996;  and the  Company's  Current  Reports on Form 8-K dated  January 18, 1996,
January 31, 1996 and May 21, 1996.

    The  Company  will  provide  without  charge  to each  person  to whom  this
Prospectus is delivered,  upon the request of any such person,  a copy of any or
all of the  Incorporated  Documents,  excluding the exhibits thereto unless such
exhibits  are  specifically  incorporated  by  reference  into  such  documents.
Requests for such documents should be directed to Richard C. Kelly,  Senior Vice
President,  Finance and Administration  and Chief Financial Officer,  by mail at
Suite 900, 1225 17th Street,  Denver,  Colorado  80202-5533,  or by telephone at
(303) 571-7511.



                                      2

<PAGE>



                                   THE COMPANY

    The Company,  incorporated  through merger of predecessors under the laws of
the State of Colorado on  September  3, 1924,  is an  operating  public  utility
engaged,  together  with  its  subsidiaries,   principally  in  the  generation,
purchase,  transmission,  distribution  and  sale  of  electricity  and  in  the
purchase,  transmission,  distribution,  sale and transportation of natural gas,
with the Company's  principal  distribution center being the Denver metropolitan
area. The Company's  executive offices are located at 1225 17th Street,  Denver,
Colorado 80202-5533, where the telephone number is (303) 571-7511.

                        RATIO OF CONSOLIDATED EARNINGS TO
                         CONSOLIDATED FIXED CHARGES AND
          RATIO OF CONSOLIDATED EARNINGS TO CONSOLIDATED COMBINED FIXED
                CHARGES AND PREFERRED STOCK DIVIDEND REQUIREMENTS

                                                                    Three Months
                                                                        Ended
                                   Twelve Months Ended December 31,   March 31,
                                   --------------------------------
                                    1991   1992  1993   1994   1995      1996
                                    ----   ----  ----   ----   ----      ----

Ratio of earnings to fixed charges  2.94   2.43  2.54   2.53   2.78      3.68

Ratio of earnings to combined
fixed charges and preferred
stock dividend requirements         2.54   2.16  2.27   2.28   2.49      3.27


                             APPLICATION OF PROCEEDS

      Except  as  may  be  otherwise  provided  in  the  applicable   Prospectus
Supplement  or any  supplement  thereto,  the net proceeds  from the sale of the
Securities  will be used  for one or  more  of the  following:  (i) to fund  the
Company's  construction  program; (ii) to refund certain issues of the Company's
$100 Cumulative  Preferred Stock and $25 Cumulative  Preferred Stock,  including
the payment of redemption  premiums and issuance and other costs associated with
such  refunding;  and (iii) for other general  corporate  purposes,  and for the
payment of short-term indebtedness incurred for any of the foregoing purposes.

                            DESCRIPTION OF THE BONDS

      General:  The New  Bonds  will be  issued  in one or more  series as fully
registered bonds,  without coupons,  under an Indenture,  dated as of October 1,
1993 (the "Original Mortgage"), between the Company and First Trust of New York,
National  Association  (together with any successor  thereto,  the "Trustee") as
successor  trustee to Morgan  Guaranty  Trust Company of New York.  The Original
Mortgage,  as  supplemented  and  to be  supplemented  by  various  supplemental
indentures,  including one or more supplemental  indentures  relating to the New
Bonds, is hereinafter  referred to as the  "Mortgage".  The summaries under this
heading do not purport to be complete and are subject to, and qualified in their
entirety by, the detailed  provisions  of the Mortgage.  Capitalized  terms used
under this heading which are not otherwise defined in this Prospectus shall have
the meanings ascribed thereto in the Mortgage. Wherever particular provisions of
the Mortgage or terms defined therein are referred to, such provisions

                                      3

<PAGE>



or definitions  are  incorporated  by reference as a part of the statements made
herein and such  statements are qualified in their  entirety by such  reference.
References to article and section numbers herein,  unless  otherwise  indicated,
are references to article and section numbers of the Original Mortgage.

      The  Mortgage  provides  that,  in addition  to the New Bonds,  other debt
securities  may be issued  thereunder,  without  limitation  as to the aggregate
principal  amount,  on the  basis of  Class A Bonds  (as  hereinafter  defined),
property  additions,  retired Mortgage  Securities (as hereinafter  defined) and
cash. (See "Issuance of Additional Mortgage  Securities".) The New Bonds and all
other debt  securities  heretofore  or  hereafter  issued under the Mortgage are
collectively referred to herein as the "Mortgage Securities" or the "Bonds".

      Reference is made to the Prospectus  Supplement,  or a supplement thereto,
for a description  of the following  terms of the series of New Bonds in respect
of which this  Prospectus is being  delivered:  (i) the title of such New Bonds;
(ii) the aggregate  principal amount of such New Bonds;  (iii) the date or dates
on which the  principal of such New Bonds is payable;  (iv) the rate or rates at
which  such New Bonds  will bear  interest;   the date or dates  from which such
interest  will  accrue;  the  dates  on  which  such  interest  will be  payable
("Interest  Payment  Dates");  and the  regular  record  dates for the  interest
payable on such Interest Payment Dates;  (v) the option,  if any, of the Company
to redeem such New Bonds and the period or periods  within  which or the date or
dates on which,  the prices at which and the terms and  conditions  upon  which,
such New Bonds may be redeemed,  in whole or in part,  upon the exercise of such
option;  (vi) the obligation,  if any, of the Company to redeem or purchase such
New Bonds pursuant to any sinking fund or analogous provisions and the period or
periods within which or the date or dates on which, the price or prices at which
and the terms and  conditions  upon  which such New Bonds  will be  redeemed  or
purchased,  in  whole  or in  part,  pursuant  to  such  obligation;  (vii)  the
denominations in which such New Bonds will be issuable, if other than $1,000 and
integral  multiples  thereof;  (viii) whether such New Bonds are to be issued in
whole or in part in book-entry  form and  represented  by one or more global New
Bonds and, if so, the identity of the depositary for such global New Bonds;  and
(ix) any other terms of such New Bonds not  inconsistent  with the provisions of
the Mortgage.

      Payment of Bonds; Transfers;  Exchanges:  Except as may be provided in the
applicable  Prospectus  Supplement or supplement thereto,  interest,  if any, on
each Bond  payable on each  Interest  Payment Date will be paid to the person in
whose  name such  Bond is  registered  (the  registered  holder of any  Mortgage
Security being hereinafter called a "Holder") as of the close of business on the
regular record date relating to such Interest Payment Date;  provided,  however,
that interest payable at maturity  (whether at stated maturity,  upon redemption
or  otherwise,  hereinafter  "Maturity")  will  be paid  to the  person  to whom
principal  is paid at  Maturity.  However,  if there has been a  default  in the
payment of interest on any Bond,  such defaulted  interest may be payable to the
Holder  of such  Bond as of the  close of  business  on a date  selected  by the
Trustee  which is not more than 30 days and not less  than 10 days  prior to the
date  proposed by the Company for payment of such  defaulted  interest or in any
other lawful manner not  inconsistent  with the  requirements  of any securities
exchange on which such Bond may be listed,  if the Trustee  deems such manner of
payment practicable. (See Section 307.)

      Unless  otherwise  specified  in a  Prospectus  Supplement  or  supplement
thereto,  the  principal  of and  premium,  if any, and interest on the Bonds at
Maturity will be payable upon  presentation  of the Bonds at the corporate trust
office of First Trust of New York, National Association,  in New York, New York,
as Paying Agent for the Company.  The Company may change the Place of Payment on
the Bonds,  may appoint one or more  additional  Paying  Agents  (including  the
Company) and may remove any Paying

                                      4

<PAGE>



Agent, all at its discretion. (See Section 602 and Article 1 of the Supplemental
Indenture(s) relating to the New Bonds.)

      Unless  otherwise  specified  in a  Prospectus  Supplement  or  supplement
thereto, the transfer of Bonds may be registered, and Bonds may be exchanged for
other Bonds of the same series and tranche,  of authorized  denominations and of
like tenor and aggregate  principal  amount,  at the  corporate  trust office of
First  Trust of New  York,  National  Association,  in New York,  New  York,  as
Security  Registrar  for the  Bonds.  The  Company  may  change  the  place  for
registration  of transfer and exchange of the Bonds,  and may  designate  one or
more  additional  places  for  such  registration  and  exchange,   all  at  its
discretion.  (See Section 602.) Except as otherwise  provided in the  applicable
Prospectus  Supplement or a supplement  thereto,  no service charge will be made
for any transfer or exchange of the Bonds,  but the Company may require  payment
of a sum  sufficient to cover any tax or other  governmental  charge that may be
imposed in  connection  with any  registration  of  transfer  or exchange of the
Bonds.  The  Company  will not be  required  to execute  or to  provide  for the
registration  of transfer of or the  exchange of (a) any Bond during a period of
15 days prior to giving any notice of  redemption  or (b) any Bond  selected for
redemption in whole or in part, except the unredeemed  portion of any Bond being
redeemed in part. (See Section 305.)

      Redemption:  Any terms for the  optional or  mandatory  redemption  of New
Bonds will be set forth in the  Prospectus  Supplement or a supplement  thereto.
Except as shall otherwise be provided in the applicable Prospectus Supplement or
a  supplement  thereto  with  respect to Bonds  redeemable  at the option of the
Holder,  Bonds will be redeemable  only upon notice by mail not less than 30 nor
more than 60 days prior to the date fixed for redemption,  and, if less than all
the  Bonds  of a  series,  or  any  tranche  thereof,  are to be  redeemed,  the
particular  Bonds to be  redeemed  will be  selected  by such method as shall be
provided for any particular series, or in the absence of any such provision,  by
such  method  of random  selection  as the  Security  Registrar  deems  fair and
appropriate. (See Sections 503 and 504.)

      Any notice of  redemption at the option of the Company may state that such
redemption will be conditional upon receipt by the Paying Agent or Agents, on or
prior to the date  fixed for such  redemption,  of money  sufficient  to pay the
principal of and premium,  if any, and interest,  if any, on such Bonds and that
if such  money has not been so  received,  such  notice  will be of no force and
effect and the Company  will not be required to redeem such Bonds.  (See Section
504.)

      While the Original Mortgage contains provisions for the maintenance of the
Mortgaged  Property,  it does not contain any  provisions  for a maintenance  or
sinking  fund  and,  except  as may be  provided  in the  applicable  Prospectus
Supplement or a supplement  thereto,  there will be no  provisions  for any such
funds for the New Bonds.

     Security:  General.  Except  as  discussed  under  this  heading  and under
"Issuance of Additional Mortgage  Securities" below, all Mortgage Securities now
or hereafter  issued under the  Mortgage  will be secured,  equally and ratably,
primarily by

            (a) an equal  principal  amount of first  mortgage bonds (which need
      not bear  interest)  issued  under the  Company's  Indenture,  dated as of
      December 1, 1939 (the "Original 1939  Mortgage"),  between the Company and
      First Trust of New York, National Association (together with any successor
      thereto,  the "1939  Mortgage  Trustee"),  as successor  trustee to Morgan
      Guaranty Trust Company of New York (formerly Guaranty Trust Company of New
      York),  and delivered to the Trustee under the Mortgage (the Original 1939
      Mortgage, as amended and

                                      5

<PAGE>



      supplemented,  being hereinafter called the "1939 Mortgage"); as discussed
      under  "DESCRIPTION  OF THE 1939  MORTGAGE--Security,"  the 1939  Mortgage
      constitutes,  subject  to certain  exceptions,  a first  mortgage  lien on
      substantially all properties of the Company; and

            (b) the lien of the Mortgage on  substantially  all of the Company's
      properties  used or to be used in or in  connection  with the  business of
      generating, purchasing, transmitting, distributing and/or selling electric
      energy (the "Electric Utility Business"), which lien is junior to the lien
      of the 1939 Mortgage.

As discussed below under "Class A Bonds," following a merger or consolidation of
another  corporation into the Company or the transfer to the Company of property
subject to the lien of an existing mortgage all the obligations of the mortgagor
under which have been assumed by the Company,  the Company  could deliver to the
Trustee  bonds issued under a mortgage  existing on the  properties  acquired in
such  transaction  in lieu of or in  addition  to bonds  issued  under  the 1939
Mortgage. In such event, the Mortgage Securities would be secured, additionally,
by such bonds and by the lien of the Mortgage on such properties, which would be
junior to the liens of such  existing  mortgage  and the 1939  Mortgage  on such
properties.  The 1939  Mortgage  and all such other  mortgages  are  hereinafter
collectively  referred to as "Class A Mortgages," and all bonds issued under the
Class A Mortgages  and  delivered  to the Trustee are  hereinafter  collectively
referred to as "Class A Bonds".  If and when no Class A Mortgages are in effect,
the  Mortgage  will  constitute  a first  mortgage  lien on all  property of the
Company subject  thereto,  subject to certain  Permitted Liens (see "Lien of the
Mortgage," below). As discussed below under "Class A Bonds", at the date of this
Prospectus the only Class A Mortgage is the 1939 Mortgage. The Company currently
believes that it is possible that prior to the Stated Maturity of the New Bonds,
all Class A Bonds outstanding under the 1939 Mortgage,  other than Class A Bonds
delivered to and held by the Trustee as the basis of authentication and delivery
of Mortgage  Securities,  may have been paid,  redeemed or otherwise retired and
that,  thereupon,  the Class A Bonds  issued  under the 1939  Mortgage  would be
surrendered  for  cancellation  and the 1939 Mortgage would be discharged.  Upon
discharge of the 1939 Mortgage and assuming no other Class A Mortgage  exists at
the time, the Mortgage would become a first mortgage lien on all property of the
Company  subject  thereto,  subject to certain  Permitted  Liens as  referred to
above.

      Class A Bonds.  Class A Bonds  issued as the basis for the  authentication
and  delivery  of  Mortgage  Securities  will be issued  and  delivered  to, and
registered in the name of, the Trustee or its nominee and will be owned and held
by the Trustee,  subject to the  provisions of the Mortgage,  for the benefit of
the Holders of all Mortgage  Securities  Outstanding  from time to time, and the
Company will have no interest in such Class A Bonds. Class A Bonds issued as the
basis of authentication  and delivery of Mortgage  Securities (a) will mature or
be subject to mandatory  redemption on the same dates, and in the same principal
amounts,  as such Mortgage  Securities and (b) will contain,  in addition to any
mandatory  redemption  provisions  applicable  to all Class A Bonds  Outstanding
under the related Class A Mortgage,  mandatory redemption provisions correlative
to  provisions  for  mandatory   redemption  (pursuant  to  a  sinking  fund  or
otherwise),  or for  redemption  at the option of the Holder,  of such  Mortgage
Securities. Class A Bonds issued as the basis for authentication and delivery of
a series or tranche of Mortgage Securities (x) may, but need not, bear interest,
any such  interest to be payable at the same times as  interest on the  Mortgage
Securities  of such  series  or  tranche  and (y)  may,  but need  not,  contain
provisions  for the  redemption  thereof at the option of the Company,  any such
redemption  to be made at a  redemption  price  or  prices  not  less  than  the
principal  amount  of such  Class A Bonds.  (See  Sections  402 and 701.) To the
extent  that  Class A Bonds  issued  as the  basis  for the  authentication  and
delivery of New Bonds do not bear interest,  holders of Mortgage Securities will
not have the benefit of the lien of the

                                      6

<PAGE>



1939 Mortgage in respect of an amount equal to accrued interest, if any, on such
New Bonds;  however, such holders will nevertheless have the benefit of the lien
of the Mortgage in respect of such amount.

      Any payment by the Company of  principal  of or premium or interest on the
Class A Bonds held by the Trustee  will be applied by the Trustee to the payment
of any  principal,  premium or  interest,  as the case may be, in respect of the
Mortgage  Securities  which is then due and, to the extent of such  application,
the obligation of the Company under the Mortgage to make such payment in respect
of the Mortgage  Securities will be deemed satisfied and discharged.  If, at the
time of any such  payment  of  principal  of Class A  Bonds,  there  shall be no
principal  then due in  respect  of the  Mortgage  Securities,  such  payment in
respect of the Class A Bonds will be deemed to  constitute  Funded Cash and will
be held by the Trustee as part of the Mortgaged Property, to be withdrawn,  used
or applied as provided in the Mortgage;  and thereafter the Mortgage  Securities
authenticated  and  delivered  on the basis of such Class A Bonds  will,  to the
extent of such payment of principal,  be deemed to have been  authenticated  and
delivered  on the  basis of the  deposit  of cash.  If,  at the time of any such
payment of premium or  interest  on Class A Bonds,  there shall be no premium or
interest,  as the case may be, then due in respect of the  Mortgage  Securities,
such payment will be remitted to the Company at its request; provided,  however,
that,  if an Event of Default,  as described  below,  shall have occurred and be
continuing,  such payment shall be held as part of the Mortgaged  Property until
such Event of Default  shall have been  cured or waived.  (See  Section  702 and
"Withdrawal  of Cash"  below.)  Any payment by the  Company of  principal  of or
premium or interest on Mortgage  Securities  authenticated  and delivered on the
basis of the  issuance  and delivery to the Trustee of Class A Bonds (other than
by  application  of the  proceeds of a payment in respect of such Class A Bonds)
will, to the extent  thereof,  be deemed to satisfy and discharge the obligation
of the Company, if any, to make a payment of principal,  premium or interest, as
the case may be,  in  respect  of such  Class A Bonds  which is then  due.  (See
Section  702  and  Article  One of the  Supplemental  Indenture(s)  to the  1939
Mortgage  creating  the Class A Bonds to be  delivered  in  connection  with the
issuance of the New Bonds.)

      The Trustee may not sell,  assign or otherwise  transfer any Class A Bonds
except to a successor trustee under the Mortgage. (See Section 704.) At the time
any Mortgage Securities of any series or tranche,  which have been authenticated
and  delivered  upon the basis of the  issuance  and  delivery to the Trustee of
Class  A  Bonds,  cease  to be  Outstanding  (other  than  as a  result  of  the
application of the proceeds of the payment or redemption of such Class A Bonds),
the  Trustee  will  surrender  to or upon  the  order  of the  Company  an equal
principal amount of such Class A Bonds. (See Section 703.)

      At the date of this  Prospectus,  the only  Class A  Mortgage  is the 1939
Mortgage  and the only Class A Bonds  issuable  at this time are first  mortgage
bonds  issuable  thereunder.  The  Mortgage  provides  that in the event  that a
corporation  has  merged  into or  consolidated  with the  Company  which  was a
mortgagor under an existing mortgage,  or has conveyed or otherwise  transferred
property to the  Company  subject to the lien of an  existing  mortgage  all the
obligations of the mortgagor  under which have been assumed by the Company,  and
in either case such existing  mortgage  constitutes a lien on properties of such
other company or on such  transferred  properties,  as the case may be, prior to
the lien of the  Mortgage,  such  existing  mortgage  may be  designated  by the
Company as an additional Class A Mortgage.  Bonds  thereafter  issued under such
additional  mortgage  would be Class A Bonds and could provide the basis for the
authentication  and delivery of Mortgage  Securities  under the  Mortgage.  (See
Section  706.)  When no Class A Bonds are  Outstanding  under a Class A Mortgage
except  for Class A Bonds  held by the  Trustee,  then,  at the  request  of the
Company and subject to  satisfaction  of certain  conditions,  the Trustee  will
surrender such Class A Bonds for  cancellation  and the related Class A Mortgage
will be

                                      7

<PAGE>



satisfied  and  discharged,  the lien of such Class A Mortgage on the  Company's
property  will cease to exist and the priority of the lien of the Mortgage  will
be increased accordingly. (See Section 707.)

      The Mortgage  contains no restrictions on the issuance of Class A Bonds in
addition  to  Class  A  Bonds  issued  to the  Trustee  as  the  basis  for  the
authentication and delivery of Mortgage Securities.  Class A Bonds may currently
be  issued  under  the  1939  Mortgage  on  the  basis  of  property  additions,
retirements  of  bonds  previously  issued  under  the  1939  Mortgage  and cash
deposited  with  the  1939  Mortgage  Trustee.  (See  "DESCRIPTION  OF THE  1939
MORTGAGE--Issuance of Additional Bonds Under the 1939 Mortgage.")

      Lien of the  Mortgage.  In the  opinion of counsel  for the  Company  (see
"EXPERTS")  based on  information  obtained  from  public  records  and from the
Company, the Mortgage  constitutes a mortgage lien on the property  specifically
or generally  described  or referred to therein as subject to the lien  thereof,
except  such  property as may have been  disposed  of or released  from the lien
thereof in accordance  with the terms thereof,  subject to no liens prior to the
lien of the  Mortgage  other than the lien of the 1939  Mortgage (so long as the
1939 Mortgage  remains in effect),  the liens of any other Class A Mortgages and
Permitted  Liens;  and the  Mortgage  effectively  subjects to the lien  thereof
property (other than excepted  property)  acquired by the Company after the date
of the  execution  and  delivery  thereof  to the  extent,  and  subject  to the
qualifications,  hereinafter  described.  So long as such  1939  Mortgage  is in
effect,  the Bonds will have the benefit of the first  mortgage lien of the 1939
Mortgage on such  property,  and the benefit of the prior lien of any additional
Class A Mortgage on any property subject thereto, to the extent of the aggregate
principal  amount of Class A Bonds issued under the respective Class A Mortgages
and held by the Trustee.  The  properties  subject to the lien of the  Mortgage,
whether currently owned or hereafter acquired, are the Company's properties used
or to be used in or in connection with the Electric Utility Business (whether or
not  such  is the  sole  use of such  properties).  Properties  relating  to the
Company's gas and steam businesses are not subject to the lien of the Mortgage.

      The lien of the Mortgage is subject to Permitted Liens which include among
other things tax liens and other  governmental  charges which are not delinquent
or which are being contested in good faith, certain workmen's, materialmen's and
other liens, certain judgment liens and attachments,  certain easements, leases,
reservations or other rights of others (including governmental entities) in, on,
over,  and/or across,  and laws,  regulations and  restrictions  affecting,  and
defects,  irregularities,  exceptions  and  limitations  in  title  to,  certain
property  of the  Company,  certain  leasehold  interests,  certain  rights  and
interests of others  which  relate to common  ownership or joint use of property
and liens on the  interests of others in such  property,  certain  non-exclusive
rights and interests retained by the Company with respect to property used or to
be used in or in  connection  with both the  businesses  in which the  Mortgaged
Property  is used  and  any  other  businesses,  and  certain  other  liens  and
encumbrances. (See Granting Clauses and Section 101.)

      There are excepted from the lien of the Mortgage, among other things, cash
and securities  not paid or delivered to,  deposited with or held by the Trustee
under the  Mortgage;  contracts,  leases  and  other  agreements  of all  kinds,
contract  rights,  bills,  notes and  other  instruments,  accounts  receivable,
claims,  governmental  and other  permits,  allowances and  franchises,  certain
intellectual property rights and other intangibles; automobiles, other vehicles,
movable equipment and aircraft; all goods, stock in trade, wares and merchandise
held for sale or lease in the ordinary course of business;  materials,  supplies
and  other  personal  property  consumable  in the  operation  of the  Mortgaged
Property;  fuel,  including  nuclear  fuel,  whether  or not  consumable  in the
operation of the Mortgaged Property;  all furniture and furnishings;  computers,
machinery  and  telecommunication  and  other  equipment  used  exclusively  for
corporate  administrative  or clerical  purposes;  coal, ore, gas, oil and other
minerals and timber, and all

                                      8

<PAGE>



rights  and  interests  in any such  minerals  or  timber,  whether  or not such
minerals or timber have been mined or extracted from the land;  electric energy,
gas  (natural  or  artificial),  steam,  water  and  other  products  generated,
produced,  manufactured,   purchased  or  otherwise  acquired  by  the  Company;
leasehold  interests  held by the Company as lessee;  and all  property  that is
located outside of the State of Colorado.
(See "Excepted Property.")

      Without the consent of the Holders,  the Company and the Trustee may enter
into  supplemental  indentures  in order to subject to the lien of the  Mortgage
additional property,  whether or not used or to be used in or in connection with
the Electric  Utility  Business  (including  property  which would  otherwise be
excepted  from such lien).  (See Section  1401.) Such property  would  thereupon
constitute Property Additions (so long as it would otherwise qualify as Property
Additions  as  described  below) and be available as a basis for the issuance of
Mortgage Securities. (See "Issuance of Additional Mortgage Securities.")

      The  Mortgage   contains   provisions   subjecting  to  the  lien  thereof
after-acquired  property  used or to be used in the Electric  Utility  Business,
subject to the prior lien of the 1939  Mortgage  (for as long as such prior lien
is in effect).  These  provisions  are limited in the case of  consolidation  or
merger (whether or not the Company is the surviving  corporation) or transfer of
the  Mortgaged  Property as or  substantially  as an  entirety.  In the event of
consolidation  or  merger  or the  transfer  of  the  Mortgaged  Property  as or
substantially  as an entirety,  the  Mortgage  will not be required to be a lien
upon any of the  properties  then owned or thereafter  acquired by the successor
corporation  except  properties  acquired  from the Company in or as a result of
such transaction and  improvements,  extensions and additions to such properties
and renewals, replacements and substitutions of or for any part or parts of such
properties.  (See  Article  Thirteen  and  "Consolidation,   Merger,  etc.")  In
addition,  after-acquired  property  may be subject to liens  existing or placed
thereon at the time of  acquisition  thereof,  including,  but not  limited  to,
purchase money liens and the lien of any Class A Mortgage.

      The Mortgage provides that the Trustee will have a lien, prior to the lien
on behalf of the holders of Mortgage Securities, upon the Mortgaged Property for
the  payment of its  reasonable  compensation  and  expenses  and for  indemnity
against certain liabilities. (See Section 1107.)

      Issuance of Additional Mortgage Securities: The aggregate principal amount
of  Mortgage  Securities  which may be  authenticated  and  delivered  under the
Mortgage is unlimited. (See Section 301.) Bonds of any series may be issued from
time  to  time  on the  basis  of,  and in an  aggregate  principal  amount  not
exceeding:

            (1) the  aggregate principal  amount  of  Class A  Bonds  issued and
      delivered to the Trustee;

            (2) 70% of the Cost or Fair Value to the Company (whichever is less)
      of Property  Additions (as described below) which do not constitute Funded
      Property (generally,  Property Additions which have been made the basis of
      the  authentication  and delivery of Mortgage  Securities,  the release of
      Mortgaged  Property or cash  withdrawals,  which have been substituted for
      retired property or which have been used as the basis of a credit against,
      or otherwise in  satisfaction  of any sinking,  improvement,  maintenance,
      replacement  or similar fund,  provided  that  Mortgage  Securities of the
      series or tranche to which such fund  relates  remain  Outstanding)  after
      certain  deductions  and  additions,  primarily  including  adjustments to
      offset property retirements;


                                      9

<PAGE>



            (3) the  aggregate  principal  amount of Retired  Securities  (which
      consist of Mortgage  Securities no longer  outstanding  under the Mortgage
      which have not been used for certain other purposes under the Mortgage and
      which have not been paid, redeemed or otherwise retired by the application
      of  Funded  Cash),  but if Class A Bonds  had been  made the basis for the
      authentication  and  delivery  of such  Retired  Securities,  only if such
      Retired  Securities  became Retired  Securities after the discharge of the
      related Class A Mortgage; and

            (4)  an amount of cash deposited with the Trustee.

 (See Article Four.)

      In general, the issuance of Mortgage Securities is subject to Adjusted Net
Earnings of the Company for 12 consecutive months within the preceding 18 months
being at least twice the Annual Interest Requirements on all Mortgage Securities
at  the  time  outstanding,  new  Mortgage  Securities  then  applied  for,  all
outstanding Class A Bonds other than Class A Bonds held by the Trustee under the
Mortgage, and all other indebtedness (with certain exceptions) secured by a lien
prior to the lien of the Mortgage,  except that no such net earnings requirement
need be met if the  additional  Mortgage  Securities to be issued are to have no
Stated  Interest  Rate prior to Maturity.  Adjusted Net Earnings are  calculated
before,  among  other  things,  provisions  for income  taxes;  depreciation  or
amortization  of  property;  interest  and  amortization  of debt  discount  and
expense;  any  non-recurring  charge to income or retained  earnings of whatever
kind or nature (including  without  limitation the recognition of expense due to
the non- recoverability of investment or expense),  whether or not recorded as a
non-recurring item in the Company's books of account; and any refund of revenues
previously  collected or accrued by the Company subject to possible refund.  The
calculation of Adjusted Net Earnings also does not, or, in the case of losses or
expense,  is not required to,  include  profits or losses from the sale or other
disposition of property, or non-recurring items of revenue, income or expense of
any kind or nature. (See Sections 103 and 401.)

      The Company is not required to satisfy the net earnings  requirement prior
to issuance of Mortgage  Securities  (a) as provided in (1) above if the Class A
Bonds issued and  delivered to the Trustee as the basis for such  issuance  have
been authenticated and delivered under the related Class A Mortgage on the basis
of retired  Class A Bonds or (b) as  provided  in (3)  above.  In  general,  the
interest  requirement with respect to variable  interest rate  indebtedness,  if
any, is  determined  with  reference  to the rate or rates in effect on the date
immediately  preceding  such  determination  or the  rate to be in  effect  upon
initial authentication.  With respect to Mortgage Securities of a series subject
to a Periodic Offering (such as a medium-term note program), the Trustee will be
entitled to receive a certificate  evidencing  compliance  with the net earnings
requirements only once, at or prior to the time of the first  authentication and
delivery of the Mortgage Securities of such series. (See Article Four.)

      Property  Additions  generally  include any property which is owned by the
Company  and is  subject  to the  lien  of the  Mortgage  except  (with  certain
exceptions) goodwill,  going concern value rights or intangible property, or any
property the cost of acquisition or construction of which is properly chargeable
to an operating expense account of the Company. (See Section 104.)

      Unless  otherwise  provided in the  applicable  Prospectus  Supplement  or
supplement  thereto,  until the 1939 Mortgage has been  discharged,  the Company
will  issue the New Bonds on the  basis of Class A Bonds  issued  under its 1939
Mortgage.


                                      10

<PAGE>



      Release  of  Property:  Unless an Event of  Default  has  occurred  and is
continuing,  the Company may obtain the release from the lien of the Mortgage of
any Funded Property,  except for cash held by the Trustee,  upon delivery to the
Trustee  of cash  equal in amount to the  amount,  if any,  that the Cost of the
property  to be  released  (or,  if less,  the Fair Value to the Company of such
property at the time it became Funded Property) exceeds the aggregate of:

            (1) the aggregate principal amount,  subject to certain limitations,
      of  obligations  secured by  purchase  money lien upon the  property to be
      released and delivered to the Trustee;

            (2) the Cost or Fair  Value to the  Company  (whichever  is less) of
      certified  Property  Additions  not  constituting  Funded  Property  after
      certain  deductions  and  additions,  primarily  including  adjustments to
      offset property retirements (except that such adjustments need not be made
      if such Property  Additions were acquired or made within the 90-day period
      preceding the release);

            (3) an amount equal to 10/7ths of the  principal  amount of Mortgage
      Securities  the Company would be entitled to issue on the basis of Retired
      Securities  (with  such  entitlement  being  waived by  operation  of such
      release);

            (4) an amount equal to 10/7ths of the  principal  amount of Mortgage
      Securities  delivered to the Trustee (with such Mortgage  Securities to be
      canceled by the Trustee);

            (5) the  deposit  of cash or, to a  limited  extent,  the  principal
      amount of  obligations  secured by purchase  money lien upon the  property
      released  delivered  to the trustee or other holder of a lien prior to the
      lien of the Mortgage; and

            (6)  any  taxes  and  expenses  incidental  to any  sale,  exchange,
      dedication or other disposition of the property to be released.

      Property  which is not Funded  Property may generally be released from the
Lien of the Mortgage without depositing any cash or property with the Trustee as
long as (a) the aggregate amount of Cost or Fair Value to the Company (whichever
is less) of all  Property  Additions  which do not  constitute  Funded  Property
(excluding the property to be released) after certain  deductions and additions,
primarily including adjustments to offset property retirements, is not less than
zero or (b) the  Cost or Fair  Value  (whichever  is  less)  of  property  to be
released does not exceed the  aggregate  amount of the Cost or Fair Value to the
Company  (whichever is less) of Property  Additions  acquired or made within the
90-day period preceding the release.

      The Mortgage  provides  simplified  procedures for the release of property
which has been  released from the lien of a Class A Mortgage,  minor  properties
and property taken by eminent domain,  and provides for  dispositions of certain
obsolete  property and grants or surrender of certain rights without any release
or consent by the Trustee.

      If any property  released  from the lien of the  Mortgage  continues to be
owned by the Company after such release,  the Mortgage will not become a lien on
any   improvement,   extension  or  addition  to  such   property  or  renewals,
replacements or substitutions of or for any part or parts of such property.
(See Article Eight.)


                                      11

<PAGE>



      Withdrawal  of Cash:  Unless  an  Event of  Default  has  occurred  and is
continuing and subject to certain limitations,  cash held by the Trustee may (1)
be  withdrawn  by the Company (a) to the extent of the Cost or Fair Value to the
Company  (whichever  is less) of  Property  Additions  not  constituting  Funded
Property,   after  certain   deductions  and  additions,   primarily   including
adjustments to offset retirements (except that such adjustments need not be made
if such  Property  Additions  were  acquired  or made  within the 90-day  period
preceding  the  release) or (b) in an amount  equal to 10/7ths of the  aggregate
principal  amount of Mortgage  Securities  that the Company would be entitled to
issue on the basis of Retired  Securities (with the entitlement to such issuance
being  waived by  operation  of such  withdrawal)  or (c) in an amount  equal to
10/7ths of the aggregate principal amount of any Outstanding Mortgage Securities
delivered to the Trustee,  or (2) upon the request of the Company, be applied to
(a) the purchase of Mortgage  Securities (at prices not exceeding 10/7ths of the
principal  amount  thereof) or (b) the payment (or  provision  therefor  for the
satisfaction and discharge of any Mortgage Securities) at Stated Maturity of any
Mortgage  Securities or the  redemption (or similar  provision  therefor) of any
Mortgage  Securities which are redeemable (with any Mortgage Securities received
by the Trustee  pursuant to these provisions being canceled by the Trustee) (see
Section 806);  provided,  however,  that cash  deposited with the Trustee as the
basis for the  authentication  and delivery of Mortgage  Securities,  as well as
cash representing a payment of principal of Class A Bonds, may only be withdrawn
in an amount equal to the aggregate  principal amount of Mortgage Securities the
Company  would be entitled to issue on any basis (with the  entitlement  to such
issuance being waived by operation of such withdrawal), or may, upon the request
of the Company,  be applied to the  purchase,  redemption or payment of Mortgage
Securities at prices not  exceeding,  in the  aggregate,  the  principal  amount
thereof. (See Sections 405 and 702.)

      Consolidation, Merger, etc.: The Company may not consolidate with or merge
into any other corporation or convey,  otherwise transfer or lease the Mortgaged
Property  as or  substantially  as an  entirety  to any  Person  unless (a) such
transaction is on such terms as will fully preserve the lien and security of the
Mortgage  and the rights  and powers of the  Trustee  and the  Holders,  (b) the
corporation  formed by such consolidation or into which the Company is merged or
the Person which acquires by conveyance or other transfer,  or which leases, the
Mortgaged Property as or substantially as an entirety is a corporation organized
and  existing  under the laws of the  United  States of  America or any State or
Territory thereof or the District of Columbia, and such corporation executes and
delivers to the Trustee a supplemental indenture which contains an assumption by
such  corporation  of the due  and  punctual  payment  of the  principal  of and
premium,  if any,  and  interest,  if any, on the  Mortgage  Securities  and the
performance  of all of the  covenants  and  conditions  of the Company under the
Mortgage and which contains a grant,  conveyance,  transfer and mortgage by such
corporation  confirming  the lien of the Mortgage on the Mortgaged  Property and
subjecting  to such lien all property  thereafter  acquired by such  corporation
which shall  constitute an  improvement,  extension or addition to the Mortgaged
Property or a renewal,  replacement or  substitution of or for any part thereof,
and, at the election of such corporation, subjecting to the lien of the Mortgage
such other  property then owned or thereafter  acquired by such  corporation  as
such  corporation  shall  specify and (c) in the case of a lease,  such lease is
made  expressly  subject to  termination by the Company or by the Trustee at any
time during the continuance of an Event of Default. (See Section 1301.)

     Modification of Mortgage:  Without the consent of any Holders,  the Company
and the Trustee may enter into one or more  supplemental  indentures  for any of
the following purposes:

          (a) to evidence the  succession  of another  Person to the Company and
     the assumption by any such successor of the covenants of the Company in the
     Mortgage and in the Mortgage Securities; or

                                      12

<PAGE>




            (b) to add one or more covenants of the Company or other  provisions
      for the benefit of all Holders or for the benefit of the Holders of, or to
      remain  in effect  only so long as there  shall be  outstanding,  Mortgage
      Securities  of one or  more  specified  series,  or one or  more  tranches
      thereof,  or to surrender any right or power conferred upon the Company by
      the Mortgage; or

            (c) to correct or amplify  the  description  of any  property at any
      time subject to the lien of the Mortgage;  or better to assure, convey and
      confirm to the Trustee any property subject or required to be subjected to
      the  lien of the  Mortgage;  or to  subject  to the  lien of the  Mortgage
      additional  property  (including  property  of  others),  to  specify  any
      additional Permitted Liens with respect to such additional property and to
      modify the provisions in the Mortgage for dispositions of certain types of
      property  without  release in order to specify any  additional  items with
      respect to such additional property; or

            (d) to change or eliminate  any  provision of the Mortgage or to add
      any  new  provision  to  the  Mortgage,  provided  that  if  such  change,
      elimination or addition  adversely affects the interests of the Holders of
      the Mortgage  Securities of any series or tranche in any material respect,
      such change, elimination or addition will become effective with respect to
      such series or tranche  only when no  Mortgage  Security of such series or
      tranche remains outstanding under the Mortgage; or

            (e) to establish the form or terms of the Mortgage Securities of any
      series or tranche as permitted by the Mortgage; or

            (f) to  provide  for  the  authentication  and  delivery  of  bearer
      securities and coupons appertaining thereto representing interest, if any,
      thereon  and  for  the  procedures  for  the  registration,  exchange  and
      replacement  thereof and for the giving of notice to, and the solicitation
      of the vote or consent of, the holders thereof,  and for any and all other
      matters incidental thereto; or

             (g) to  evidence  and provide for the  acceptance of appointment by
      a successor trustee or by a co-trustee or separate trustee; or

             (h)  to   provide  for  the   procedures  required  to  permit  the
      utilization of a  non-certificated  system of registration for all, or any
      series or tranche of, the Mortgage Securities; or

            (i) to change  any place or places  where (1) the  principal  of and
      premium,  if any, and  interest,  if any, on all or any series of Mortgage
      Securities, or any tranche thereof, will be payable, (2) all or any series
      of Mortgage  Securities,  or any tranche  thereof,  may be surrendered for
      registration of transfer, (3) all or any series of Mortgage Securities, or
      any tranche  thereof,  may be surrendered for exchange and (4) notices and
      demands to or upon the Company in respect of all or any series of Mortgage
      Securities, or any tranche thereof, and the Mortgage may be served; or

            (j) to cure any  ambiguity,  to correct or supplement  any provision
      therein which may be defective or  inconsistent  with any other  provision
      therein,  or to make any other changes to the provisions thereof or to add
      other  provisions with respect to matters and questions  arising under the
      Mortgage,  so long as such other  changes or  additions  do not  adversely
      affect the  interests of the Holders of Mortgage  Securities of any series
      or tranche in any material respect.

                                      13

<PAGE>




(See Section 1401.)

      Without  limiting the generality of the foregoing,  if the Trust Indenture
Act of 1939, as amended (the "Trust  Indenture  Act"), is amended after the date
of the Original  Mortgage in such a way as to require changes to the Mortgage or
the  incorporation  therein of additional  provisions or so as to permit changes
to,  or the  elimination  of,  provisions  which,  at the  date of the  Original
Mortgage or at any time thereafter,  were required by the Trust Indenture Act to
be contained in the  Mortgage,  the Mortgage will be deemed to have been amended
so as to conform to such amendment or to effect such changes or elimination, and
the Company and the Trustee may, without the consent of any Holders,  enter into
one or more supplemental  indentures to evidence or effect such amendment.  (See
Section 1401.)

      Except as  provided  above,  the consent of the Holders of not less than a
majority in aggregate  principal amount of the Mortgage Securities of all series
then Outstanding, considered as one class, is required for the purpose of adding
any  provisions  to,  or  changing  in any  manner,  or  eliminating  any of the
provisions  of, the Mortgage  pursuant to one or more  supplemental  indentures;
provided,  however,  that if less than all of the series of Mortgage  Securities
Outstanding are directly affected by a proposed supplemental indenture, then the
consent  only of the  Holders of a majority  in  aggregate  principal  amount of
Outstanding  Mortgage Securities of all series so directly affected,  considered
as one class,  will be required;  and  provided,  further,  that if the Mortgage
Securities  of any series  have been  issued in more than one tranche and if the
proposed  supplemental  indenture  directly affects the rights of the Holders of
one or more,  but less than all,  such  tranches,  then the consent  only of the
Holders of a majority in aggregate principal amount of the Outstanding  Mortgage
Securities of all tranches so directly  affected,  considered as one class, will
be required; and provided,  further, that no such amendment or modification may,
(a)  change the Stated  Maturity  of the  principal  of, or any  installment  of
principal  of or interest  on, any Mortgage  Security,  or reduce the  principal
amount thereof or the rate of interest thereon (or the amount of any installment
of interest thereon) or change the method of calculating such rate or reduce any
premium  payable  upon the  redemption  thereof,  or  reduce  the  amount of the
principal  of any  Discount  Security  that  would  be due  and  payable  upon a
declaration of acceleration of Maturity or change the coin or currency (or other
property) in which any Mortgage  Security or any premium or the interest thereon
is payable,  or impair the right to institute  suit for the  enforcement  of any
such payment on or after the Stated  Maturity of any Mortgage  Security  (or, in
the case of redemption,  on or after the redemption  date) without,  in any such
case,  the  consent  of the  Holder of such  Mortgage  Security,  (b) permit the
creation of any lien not  otherwise  permitted by the Mortgage  ranking prior to
the  lien  of the  Mortgage  with  respect  to all or  substantially  all of the
Mortgaged Property or terminate the lien of the Mortgage on all or substantially
all of the Mortgaged Property, or deprive the Holders of the benefit of the lien
of the Mortgage,  without,  in any such case,  the consent of the Holders of all
Mortgage  Securities  then  Outstanding,  (c) reduce the percentage in principal
amount of the  Outstanding  Mortgage  Securities  of any series,  or any tranche
thereof,  the  consent  of the  Holders  of  which  is  required  for  any  such
supplemental  indenture,  or the consent of the Holders of which is required for
any waiver of  compliance  with any  provision of the Mortgage or of any default
thereunder  and its  consequences,  or reduce  the  requirements  for  quorum or
voting, without, in any such case, the consent of the Holder of each Outstanding
Mortgage  Security  of such  series or  tranche,  or (d)  modify  certain of the
provisions  of the  Mortgage  relating to  supplemental  indentures,  waivers of
certain  covenants  and waivers of past  defaults  with  respect to the Mortgage
Securities  of any series,  or any tranche  thereof,  without the consent of the
Holder of each  Outstanding  Mortgage  Security  of such  series or  tranche.  A
supplemental  indenture  which  changes  or  eliminates  any  covenant  or other
provision of the  Mortgage  which has  expressly  been  included  solely for the
benefit of the Holders of, or which is to remain in effect only so long as there
shall be Outstanding Mortgage Securities of one or more specified series, or one
or more tranches thereof, or modifies the

                                      14

<PAGE>



rights of the Holders of  Mortgage  Securities  of such series or tranches  with
respect to such  covenant or other  provision,  will be deemed not to affect the
rights under the Mortgage of the Holders of the Mortgage Securities of any other
series or tranche. (See Section 1402.)

      Voting of Class A Bonds:  The Mortgage  provides that the Trustee will, as
holder  of Class A Bonds  issued  under the 1939  Mortgage  as the basis for the
issuance of Bonds, attend such meetings of bondholders under the related Class A
Mortgage,  or deliver its proxy in  connection  therewith,  as relate to matters
with respect to which it is entitled to vote or consent.  The Mortgage  provides
that, so long as no Event of Default as defined in the Mortgage has occurred and
is  continuing,  the Trustee  will,  as holder of such Class A Bonds (a) vote in
favor of the amendments and  modifications to the 1939 Mortgage  described under
"DESCRIPTION  OF THE 1939  MORTGAGE -- Voting of Class A Bonds  Issued Under the
1939 Mortgage," and (b) with respect to any amendments or  modifications  to any
Class A Mortgage  other than those  amendments or  modifications  referred to in
(a), vote all Class A Bonds Outstanding under such Class A Mortgage then held by
it, or consent with respect thereto, proportionately with the vote or consent of
holders of all other Class A Bonds  Outstanding  under such Class A Mortgage the
holders of which are eligible to vote or consent,  as evidenced by a certificate
delivered by the trustee under such Class A Mortgage;  provided,  however,  that
the  Trustee  will not  vote in favor  of,  or  consent  to,  any  amendment  or
modification  of  a  Class  A  Mortgage  which,  if  it  were  an  amendment  or
modification  of the Mortgage,  would require the consent of Holders of Mortgage
Securities as described under  "Modification of the Mortgage," without the prior
consent of Holders of Mortgage  Securities  which would be required  for such an
amendment or modification of the Mortgage. (See Section 705.)

      Waiver:  The Holders of at least a majority in aggregate  principal amount
of all Mortgage  Securities  may waive the Company's  obligations to comply with
certain covenants,  including the covenants to maintain its corporate  existence
and properties,  pay taxes and discharge liens,  maintain certain  insurance and
make such recordings and filings as are necessary to protect the security of the
Holders and the rights of the Trustee and its  covenant  with respect to merger,
consolidation  or  the  transfer  or  lease  of  the  Mortgaged  Property  as or
substantially as an entirety,  described above, provided that such waiver occurs
before the time such compliance is required.  The Holders of at least a majority
of the aggregate  principal  amount of  Outstanding  Mortgage  Securities of all
affected series or tranches, considered as one class, may waive, before the time
for such  compliance,  compliance  with any covenant  specified  with respect to
Mortgage Securities of such series or tranches. (See Section 609.)

     Events of Default:  Each of the following  events  constitutes  an Event of
Default under the Mortgage:

          (1) failure to pay  interest on any Mortgage  Security  within 60 days
     after the same becomes due;

          (2) failure to pay  principal  of or premium,  if any, on any Mortgage
     Security within 3 business days after its Maturity;

          (3)  failure to perform or breach of any  covenant  or warranty of the
     Company in the Mortgage (other than a covenant or warranty a default in the
     performance of which or breach of which is dealt with elsewhere  under this
     paragraph)  for a period  of 90 days  after  there  has  been  given to the
     Company by the Trustee, or to the Company and the Trustee by the Holders of
     at least 33% in principal  amount of  Outstanding  Mortgage  Securities,  a
     written  notice  specifying  such default or breach and  requiring it to be
     remedied and stating that such notice is a "Notice

                                      15

<PAGE>



      of  Default,"  unless the  Trustee,  or the  Trustee  and the Holders of a
      principal amount of Mortgage Securities not less than the principal amount
      of Mortgage  Securities the Holders of which gave such notice, as the case
      may be,  agree in  writing to an  extension  of such  period  prior to its
      expiration;  provided,  however, that the Trustee, or the Trustee and such
      Holders, as the case may be, will be deemed to have agreed to an extension
      of such  period if  corrective  action has been  initiated  by the Company
      within such period and is being diligently pursued;

          (4)  certain  events  relating  to   reorganization,   bankruptcy  and
     insolvency of the Company or  appointment  of a receiver or trustee for its
     property; and

          (5) the  occurrence  of a matured  event of default  under any Class A
     Mortgage  (other than any such matured event of default which is of similar
     kind or character to the Event of Default  described in (3) above and which
     has not resulted in the acceleration of the Class A Bonds Outstanding under
     such Class A Mortgage);  provided that the waiver or cure of any such event
     of default and the  rescission  and annulment of the  consequences  thereof
     shall constitute a waiver of the  corresponding  Event of Default under the
     Mortgage and a rescission and annulment of the consequences  thereof.  (See
     Section 1001.)

      Remedies:  If an Event  of  Default  occurs  and is  continuing,  then the
Trustee or the  Holders  of not less than 33% in  principal  amount of  Mortgage
Securities then Outstanding may declare the principal amount (or if the Mortgage
Securities are Discount Securities,  such portion of the principal amount as may
be provided for such Discount  Securities pursuant to the terms of the Mortgage)
of all of the Mortgage  Securities then Outstanding,  together with premium,  if
any, and accrued interest, if any, thereon to be immediately due and payable. At
any time after such declaration of acceleration of the Mortgage  Securities then
Outstanding,  but before the sale of any of the Mortgaged  Property and before a
judgment or decree for payment of money shall have been  obtained by the Trustee
as provided in the Mortgage,  the Event or Events of Default giving rise to such
declaration of  acceleration  will,  without further act, be deemed to have been
waived,  and such declaration and its consequences will, without further act, be
deemed to have been rescinded and annulled, if

          (a)  the  Company  has  paid  or  deposited  with  the  Trustee  a sum
     sufficient to pay

               (1) all overdue interest, if any, on all Mortgage Securities then
          Outstanding;

               (2)  the  principal  of and  premium,  if  any,  on any  Mortgage
          Securities  then  Outstanding  which have become due otherwise than by
          such  declaration of acceleration  and interest thereon at the rate or
          rates prescribed therefor in such Mortgage Securities; and

               (3)  all  amounts  due  to  the  Trustee  as   compensation   and
          reimbursement as provided in the Mortgage; and

          (b) any other Event or Events of Default,  other than the  non-payment
     of the principal of Mortgage  Securities which shall have become due solely
     by such  declaration  of  acceleration,  shall have been cured or waived as
     provided in the Mortgage. (See Sections 1002 and 1017.)

      The Mortgage provides that, under certain  circumstances and to the extent
permitted by law, if an Event of Default occurs and is  continuing,  the Trustee
has the power to take possession of, and to

                                      16

<PAGE>



hold, operate and manage, the Mortgaged Property, or with or without entry, sell
the  Mortgaged  Property.  If the  Mortgaged  Property  is sold,  whether by the
Trustee or pursuant to judicial  proceedings,  the principal of the  Outstanding
Mortgage  Securities,  if not  previously  due,  will  become  immediately  due,
together with premium,  if any, and any accrued  interest.  (See Sections  1003,
1004 and 1005.)

      If an Event of Default occurs and is continuing, the Holders of a majority
in principal  amount of the Mortgage  Securities then  Outstanding will have the
right to direct the time, method and place of conducting any proceedings for any
remedy  available to the Trustee or exercising  any trust or power  conferred on
the Trustee, provided that (a) such direction does not conflict with any rule of
law or with the  Mortgage,  and  could  not  involve  the  Trustee  in  personal
liability in  circumstances  where  indemnity  would not, in the Trustee's  sole
discretion,  be adequate  and (b) the Trustee may take any other  action  deemed
proper  by the  Trustee  which is not  inconsistent  with such  direction.  (See
Section 1016.)

      The Mortgage  provides  that no Holder of any Mortgage  Security will have
any right to institute any  proceeding,  judicial or otherwise,  with respect to
the  Mortgage  or for the  appointment  of a  receiver  or for any other  remedy
thereunder  unless (a) such Holder has previously  given to the Trustee  written
notice of a  continuing  Event of  Default;  (b) the  Holders of not less than a
majority  in  aggregate   principal  amount  of  the  Mortgage  Securities  then
Outstanding have made written request to the Trustee to institute proceedings in
respect  of such  Event of  Default  and have  offered  the  Trustee  reasonable
indemnity  against costs and  liabilities  to be incurred in complying with such
request;  and (c) for sixty days after  receipt of such notice,  the Trustee has
failed to institute any such proceeding and no direction  inconsistent with such
request  has been  given to the  Trustee  during  such  sixty day  period by the
Holders of a majority in aggregate  principal amount of Mortgage Securities then
Outstanding.  Furthermore,  no Holder  will be entitled  to  institute  any such
action if and to the extent  that such action  would  disturb or  prejudice  the
rights of other Holders. (See Section 1011.) Notwithstanding that the right of a
Holder to  institute a  proceeding  with  respect to the  Mortgage is subject to
certain conditions precedent,  each Holder of a Mortgage Security has the right,
which is absolute and unconditional,  to receive payment of the principal of and
premium, if any, and interest, if any, on such Mortgage Security when due and to
institute suit for the enforcement of any such payment,  and such rights may not
be impaired without the consent of such Holder. (See Section 1012.) The Mortgage
provides  that the  Trustee  give the Holders  notice of any  default  under the
Mortgage to the extent  required by the Trust Indenture Act, unless such default
shall  have been  cured or waived,  except  that no such  notice to Holders of a
default of the  character  described in clause (3) under "Events of Default" may
be given until at least 75 days after the  occurrence  thereof.  For purposes of
the preceding  sentence,  the term "default"  means any event which is, or after
notice  or lapse of time,  or both,  would  become,  an Event of  Default.  (See
Section 1102.) The Trust Indenture Act currently permits the Trustee to withhold
notices of default (except for certain payment  defaults) if the Trustee in good
faith  determines  the  withholding of such notice to be in the interests of the
Holders.

      As a  condition  precedent  to  certain  actions  by  the  Trustee  in the
enforcement of the lien of the Mortgage and  institution of action on the Bonds,
the  Trustee  may  require  adequate  indemnity  against  costs,   expenses  and
liabilities  to be incurred in  connection  therewith.  (See  Sections  1011 and
1101.)

      In addition to every other right and remedy provided in the Mortgage,  the
Trustee  may  exercise  any  right or remedy  available  to the  Trustee  in its
capacity  as owner  and  holder of Class A Bonds  which  arises as a result of a
default or matured event of default  under any Class A Mortgage,  whether or not
an Event of Default  under the Mortgage has  occurred  and is  continuing.  (See
Section 1020.)


                                      17

<PAGE>



      Defeasance:  Any Bond or Bonds,  or any  portion of the  principal  amount
thereof, will be deemed to have been paid for purposes of the Mortgage,  and, at
the  Company's  election,  the  entire  indebtedness  of the  Company in respect
thereof will be deemed to have been satisfied and discharged,  if there has been
irrevocably  deposited  with the  Trustee or any Paying  Agent  (other  than the
Company),  in trust:  (a) money  (including  Funded Cash not  otherwise  applied
pursuant to the Mortgage) in an amount which will be sufficient, or (b) Eligible
Obligations (as described below), which do not contain provisions permitting the
redemption or other prepayment thereof at the option of the issuer thereof,  the
principal  of and the  interest  on  which  when  due,  without  any  regard  to
reinvestment  thereof,  will provide monies which,  together with the money,  if
any,  deposited  with or held by the  Trustee  or  such  Paying  Agent,  will be
sufficient, or (c) a combination of (a) and (b) which will be sufficient, to pay
when due the principal of and premium, if any, and interest,  if any, due and to
become due on such Bond or Bonds or portions  thereof.  (See  Section  901.) For
this purpose, Eligible Obligations include direct obligations of, or obligations
unconditionally  guaranteed  by, the United  States of America,  entitled to the
benefit of the full  faith and  credit  thereof,  and  certificates,  depositary
receipts or other instruments which evidence a direct ownership interest in such
obligations  or in any specific  interest or  principal  payments due in respect
thereof.

      It  is  possible  that  for  Federal   income  tax  purposes  any  deposit
contemplated in the preceding  paragraph could be treated as a taxable  exchange
of the  related  Bonds  for an issue  of  obligations  of the  trust or a direct
interest in the cash and securities held in the trust. In that case,  Holders of
such Bonds would recognize gain or loss as if the trust  obligations or the cash
or securities deposited,  as the case may be, had actually been received by them
in exchange for their Bonds. Such gain or loss,  generally,  would be capital in
nature  to  holders  for  whom the  Bonds  are held as  capital  assets  and any
deductions  for losses  would be subject to certain  limitations.  Such  Holders
thereafter would be required to include in income a share of the income, gain or
loss of the trust or the income from the securities  held in trust,  as the case
may be. The amount so required to be included in income could be different  from
the amount that would be includible in the absence of such deposit.  Prospective
investors  are  urged to  consult  their  own tax  advisors  as to the  specific
consequences to them of such deposit.

      Resignation  of the Trustee:  The Trustee may resign at any time by giving
written  notice  thereof to the  Company or may be removed at any time by Act of
the  Holders of a majority  in  principal  amount of  Mortgage  Securities  then
Outstanding  delivered to the Trustee and the Company. No resignation or removal
of the Trustee and no appointment of a successor  trustee will become  effective
until the acceptance of appointment  by a successor  trustee in accordance  with
the requirements of the Mortgage. So long as no Event of Default or event which,
after  notice or lapse of time,  or both,  would  become an Event of Default has
occurred  and is  continuing,  if the  Company  has  delivered  to the Trustee a
resolution  of its Board of Directors  appointing  a successor  trustee and such
successor has accepted  such  appointment  in  accordance  with the terms of the
Mortgage,  the Trustee will be deemed to have resigned and the successor will be
deemed to have been appointed as trustee in accordance  with the Mortgage.  (See
Section 1110.)

      Evidence  to  be  Furnished  to  the  Trustee:  Compliance  with  Mortgage
provisions  is evidenced by written  statements  of Company  officers or persons
selected  or paid by the  Company.  In certain  cases,  opinions  of counsel and
certification of an engineer, accountant, appraiser or other expert (who in some
cases must be independent) must be furnished. In addition, the Mortgage requires
that the  Company  give the  Trustee,  not less  often  than  annually,  a brief
statement as to the Company's compliance with the conditions and covenants under
the Mortgage.


                                      18

<PAGE>



      Concerning the Trustee:  The Company  conducts banking  transactions  with
affiliates  of the Trustee in the normal  course of the  Company's  business and
uses the Trustee or its affiliates as trustee for various debt issues.


                        DESCRIPTION OF THE 1939 MORTGAGE

      General:  The  summaries  under this heading do not purport to be complete
and are subject to the detailed provisions of the 1939 Mortgage, a copy of which
is filed as an exhibit to the Registration Statement of which this Prospectus is
a part.  Capitalized  terms  used  under this  heading  which are not  otherwise
defined in this Prospectus shall have the meanings  ascribed thereto in the 1939
Mortgage.  Wherever particular  provisions or terms defined therein are referred
to, such provisions or definitions are  incorporated by reference as part of the
statements  made herein and such  statements  are qualified in their entirety by
such  reference.  References  to article  and  section  numbers  herein,  unless
otherwise  indicated,  are  references  to article  and  section  numbers of the
Original 1939 Mortgage.

      Security:  Class A Bonds  issued  under the 1939  Mortgage  will rank pari
passu,  except as to any sinking fund or similar fund  provided for a particular
series,  with all bonds at any time outstanding under the 1939 Mortgage.  In the
opinion  of  counsel  for  the  Company  (See  "EXPERTS"),   the  1939  Mortgage
constitutes  a first  mortgage  lien on the property  specifically  or generally
described  therein as subject to the lien  thereof,  except such property as may
have been disposed of or released  from the lien thereof in accordance  with the
terms thereof,  subject to no liens prior to the lien of the 1939 Mortgage other
than Permitted  Encumbrances,  as defined therein;  and the 1939 Mortgage by its
terms effectively  subjects to the lien thereof all property (except property of
the kinds  specifically  excepted from the lien thereof) acquired by the Company
after the date of the  execution  and  delivery  thereof,  subject to  Permitted
Encumbrances, to any lien thereon existing, and to any liens for unpaid portions
of the purchase money placed thereon, at the time of such acquisition,  and also
subject to certain  limitations in the case of consolidation,  merger or sale of
substantially all the mortgaged  property.  The principal  properties subject to
the lien of the 1939 Mortgage are the electric and gas  properties  owned by the
Company and  securities  of certain  subsidiaries.  (See  Granting  and Habendum
Clauses,  Sections 2 and 3 of Article I, and Section 3 of Article XI of the 1939
Mortgage.)

      The 1939 Mortgage  provides  that the 1939  Mortgage  Trustee shall have a
lien  prior  to  the  bonds  on  the  mortgaged  property  for  payment  of  its
compensation,  expenses and  disbursements  and for  indemnity  against  certain
liabilities. (See Section 10 of Article XII of the 1939 Mortgage.)

      Issuance of Additional Bonds Under the 1939 Mortgage: Additional bonds may
be issued under the 1939 Mortgage in a principal  amount equal to (a) 60% of net
property  additions (as defined in the 1939  Mortgage)  acquired or  constructed
within  five  years of  certification  to the  1939  Mortgage  Trustee,  (b) the
principal  amount of certain  retired bonds or prior lien bonds or (c) deposited
cash (in certain cases 60%  thereof).  See "Voting of Class A Bonds Issued Under
the 1939 Mortgage".

      No bonds may be issued under the 1939 Mortgage, as provided in clauses (a)
and (c) above,  unless the net  earnings of the Company (as defined in Section 5
of Article I of the 1939  Mortgage  and as  discussed  below) are at least 2-1/2
times the annual  interest on all bonds  issued and  outstanding  under the 1939
Mortgage,  including the bonds applied for (but  excluding any bonds to be paid,
retired  or  redeemed  with  the  proceeds  of  the  bonds  applied  for),   and
indebtedness  secured by prior liens.  Such net earnings test generally need not
be satisfied prior to the issuance of bonds as provided in clause (b) above

                                      19

<PAGE>



unless (x) (i) the new bonds are issued  more than two years prior to the stated
maturity  of the  retired  bonds and (ii) the new bonds  bear a greater  rate of
interest  than the  retired  bonds or (y) the new bonds are issued in respect of
retired  bonds the  interest  charges on which have been  excluded  from any net
earnings  certificate  filed with the 1939 Mortgage Trustee since the retirement
of such bonds.  (See Article III of the 1939  Mortgage.)  See "Voting of Class A
Bonds Issued Under the 1939 Mortgage".

      Cash  deposited  under clause (c) above may be withdrawn by the Company in
an amount equal to the principal  amounts of bonds issuable  pursuant to clauses
(a) and (b)  above  (in  certain  cases  166- 2/3%  thereof)  without  regard to
earnings or may be applied to the purchase or redemption of bonds of one or more
series selected by the Company.  (See Sections 8, 9 and 10 of Article III of the
1939 Mortgage.) See "Voting of Class A Bonds Issued Under the 1939 Mortgage".

      Net  earnings  are  computed  before   provision  for   depreciation   and
amortization  of  property,  income and  profits  taxes (as  defined in the 1939
Mortgage),  interest on any  indebtedness  and amortization of debt discount and
expense  and do not take into  account  any  profits or losses  from the sale or
disposal of capital  assets or  securities.  (See  Section 5 of Article I of the
1939 Mortgage.)

      Property  additions  under the 1939  Mortgage  consist of property used or
useful in the electric, gas or steam business (with certain exceptions) acquired
or constructed by the Company within five years next preceding the certification
thereof to the 1939  Mortgage  Trustee.  (See Section 4 of Article I of the 1939
Mortgage.) See "Voting of Class A Bonds Issued Under the 1939 Mortgage".

     The approximate  amount of net property additions and the amount of retired
bonds as of March 31, 1996,  available  for use as the basis for the issuance of
Class A Bonds under the 1939 Mortgage,  subject to the net earnings restrictions
discussed above, were $581,597,155 and $905,180,000,  respectively.  The Company
will  determine,  at the time of each  issuance  of Class A Bonds under the 1939
Mortgage which are to be the basis for the issuance of Bonds, whether such Class
A Bonds will be issued upon the basis of property additions or retired bonds. As
of March 31, 1996,  $1,082,917,000  in aggregate  principal amount of bonds were
outstanding under the 1939 Mortgage.

      The 1939 Mortgage contains restrictions on (1) the acquisition of property
securing  prior  lien  indebtedness  in excess  of 60% of the fair  value of the
property  and (2) the  issuance  of  bonds,  withdrawal  of cash or  release  of
property on the basis of property subject to prior lien. Prior lien indebtedness
secured  by  property  theretofore  acquired  may not be  increased  unless  the
evidence  thereof is pledged with the 1939 Mortgage  Trustee.  (See Section 4 of
Article I and  Sections 15, 17 and 19 of Article IV of the 1939  Mortgage.)  See
"Voting of Class A Bonds Issued Under the 1939 Mortgage".

      Maintenance  and  Replacement  Fund for Bonds  Outstanding  Under the 1939
Mortgage:  Although there will be no provision for a maintenance and replacement
fund with respect to Class A Bonds  issued under the 1939  Mortgage as the basis
for the issuance of Bonds,  the Company has covenanted,  with respect to various
series of outstanding bonds issued under the 1939 Mortgage, that, so long as any
bond of such series  remains  outstanding,  the Company will,  for each calendar
year (herein called the "accounting  period"),  pay to the 1939 Mortgage Trustee
as a maintenance and  replacement  fund, an amount in cash not less than the sum
of 15% of the gross  electric  operating  revenues  and 10% of the gross gas and
steam operating  revenues (as defined in the 1939 Mortgage,  which,  among other
things, provides for deducting therefrom the cost of purchased electric current,
gas and steam) derived from the mortgaged property during the accounting period,
less,  however,  the following  optional  credits:  (a) expenditures  during the
accounting period for repairs and maintenance of the mortgaged property; (b)

                                      20

<PAGE>



the cost of property  additions during the accounting  period deemed to renew or
replace retired or abandoned property, subject to adjustment for any outstanding
prior lien bonds secured by such property additions; (c) the principal amount of
all bonds  and/or  166-2/3%  of the  principal  amount of all prior lien  bonds,
retired or redeemed  and for which no bonds have been  issued,  credit  taken or
cash withdrawn  under the 1939 Mortgage;  and (d) net property  additions to the
extent of 100%  thereof.  Cash so  deposited  may be applied to the  purchase or
redemption of such bonds as the Company may designate,  which by their terms are
redeemable  prior to maturity  (including  any of the Class A Bonds issued under
the 1939 Mortgage  that are so redeemable  and that were issued as the basis for
the  issuance of Bonds) at a price not  exceeding  the then  current  redemption
price as set  forth  in the  relevant  Supplemental  Indenture  and the  accrued
interest on such bonds,  or may be withdrawn upon the basis of certain  property
additions  or certain  retired  bonds or prior  lien  bonds.  (See  Section 8 of
Article  IV of  the  1939  Mortgage  and  Article  Two of  certain  supplemental
indentures.) See "Voting of Class A Bonds Issued Under the 1939 Mortgage".

      The series of outstanding bonds which contain  maintenance and replacement
fund  covenants  mature  through  November 1, 1998, but may be redeemed prior to
their stated  maturity.  The Company does not anticipate  issuing any additional
series of bonds which will contain such covenants. The Company will no longer be
bound by such covenants after all the bonds of such series have been retired.

      Modification  of the 1939  Mortgage:  The 1939  Mortgage and the rights of
bondholders  thereunder may be modified with the consent of the Company,  and of
the 1939 Mortgage Trustee if deemed affected,  and the consent of the holders of
not less than 75% in principal amount of the bonds then  outstanding,  or of not
less than 75% in principal  amount of the  outstanding  bonds of any one or more
series  which  may be  affected  by  any  such  modification;  except  that  the
bondholders,  without the consent of the holder of each bond  affected,  have no
power to (a) extend the time of payment of the  principal  of or interest on any
bonds; (b) reduce the principal amount thereof or the rate of interest  thereon,
or otherwise  modify the terms of payment of  principal or interest;  (c) permit
the  creation of any lien  ranking  prior to or on a parity with the lien of the
1939  Mortgage with respect to any of the  mortgaged  property;  (d) deprive any
nonassenting  bondholder of a lien upon the mortgaged  property for the security
of his/her bonds; or (e) reduce the percentage of bondholders authorized to take
such action.  (See Article XIV of the 1939  Mortgage.)  The Company has reserved
the right to amend the 1939  Mortgage  without  any  consent or other  action by
holders of any series of bonds created after October 31, 1975 (including Class A
Bonds issued under the 1939  Mortgage as the basis for the issuance of Bonds) to
reduce the required consent of bondholders described above from 75% to 60%. (See
Article Five of the Supplemental Indenture dated as of November 1, 1977.)

      Voting of Class A Bonds  Issued  Under  the 1939  Mortgage:  The  Mortgage
provides  that,  so long as no Event of Default as defined in the  Mortgage  has
occurred and is  continuing  thereunder,  the Trustee will, as holder of Class A
Bonds issued under the 1939 Mortgage and delivered as the basis for the issuance
of Bonds,

            (a) vote or consent in favor of amendments or  modifications  to the
      1939 Mortgage of substantially the same tenor and effect as follows:

            (i) to expand the  definition  of property  additions  to  eliminate
            geographical  restrictions to certain states and allow the inclusion
            of  properties  located  anywhere in the United  States,  Canada and
            Mexico,  or their coastal  waters;  to include space  satellites and
            stations, solar power satellites and other analogous facilities;  to
            include nuclear fuel and

                                      21

<PAGE>



            other  analogous  devices  or  substances  and  to  establish  other
            provisions as to such fuel; to include  properties located on leased
            real property,  subject to certain limitations;  to include goodwill
            when  acquired  with a public  utility  system,  subject  to certain
            limitations;  and to delete the requirement that property  additions
            have been acquired or constructed within five years;

               (ii) to remove the requirement that certificates delivered to the
               1939 Mortgage Trustee be verified;

               (iii) to liberalize the  requirements  for publication of notices
               of redemption and other notices;

               (iv) to eliminate the maintenance and replacement fund or, in the
               alternative,

                  (A) to  change  the  amount  of cash  deliverable  to the 1939
                  Mortgage  Trustee  to the  lower  of (x)  10% of the  combined
                  electric,  gas  and  steam  gross  operating  revenues  of the
                  Company or (y) 2% of the cost of the  depreciable  property of
                  the Company,  less the accumulated provision for depreciation;
                  and

                  (B) to change the  definition of gross  operating  revenues to
                  deduct  the cost of fuel  used to  provide  electric,  gas and
                  steam services;

               (v) to change the  opinion of counsel  required  to be  delivered
               upon the  certification  of  property  additions  to  delete  the
               requirement  that the Company have all necessary  permission from
               governmental   authorities  to  use  and  operate  such  property
               additions;

               (vi) to  specifically  allow the inclusion of earnings  collected
               subject to refund in net  earnings  for  purposes of the interest
               coverage requirement for the issuance of bonds;

               (vii) to specifically  permit the debt component,  in addition to
               the equity  component,  of the  allowance  for funds used  during
               construction  to be included in net  earnings for purposes of the
               interest coverage requirement for the issuance of bonds;

               (viii)  (A) to reduce the interest  coverage  requirement for the
                       issuance  of  bonds  to  2  times from 2-1/2 times annual
                       interest  charges on outstanding  bonds, including  bonds
                       applied   for, and  prior  lien  indebtedness; or, in the
                       alternative,

                       (B) to change such coverage  requirement to a requirement
                       that net  earnings be at least  equal to either (x) 2 (or
                       any higher amount) times annual  interest  charges on, or
                       (y) 15%  (or  any  higher  percentage)  of the  aggregate
                       principal   amount of, outstanding   bonds, including the
                       bonds applied for, and prior lien indebtedness;

               (ix) to remove the restrictions on acquiring  property subject to
               a prior lien (retaining,  however, the restrictions on certifying
               such property as property additions);

               (x) to raise the minimum  dollar  amount of fire and other losses
               that must be payable to the 1939 Mortgage Trustee from $50,000 to
               3%  (or  any  lower   percentage)  of  the  principal  amount  of
               outstanding  bonds;  and to  specifically  permit the  Company to
               carry

                                      22

<PAGE>



               insurance policies with deductible provisions equal to 3% (or any
               lower percentage) of the principal amount of outstanding bonds or
               any higher deductible amount usually contained in the policies of
               other companies owning and operating similar properties;

               (xi) to delete  the  covenant  of the  Company  to  "observe  and
               conform to all valid  requirements of any governmental  authority
               relative to any of the mortgaged property";

               (xii) to delete the requirement that the 1939 Mortgage Trustee be
               located in New York,  New York and that the  Company  maintain an
               office  in New  York,  New York,  to make  payments  on bonds and
               register transfers thereof;

               (xiii)  to  modify  the  special  release  provision  of the 1939
               Mortgage  to  increase  the  amount  of the  aggregate  value  of
               property which may be released from the lien of the 1939 Mortgage
               within  any  period of 12  consecutive  calendar  months  without
               compliance  with  all  the  conditions  of  the  general  release
               provision from $25,000 to (A) the greater of $25,000 or 1% of the
               aggregate  principal  amount  of  outstanding  bonds  or (B)  the
               greater of $10,000,000 or 3% of the aggregate principal amount of
               outstanding bonds (or any lower amount or percentage);

               (xiv) to permit bonds to be issued  under the 1939  Mortgage in a
               principal amount equal to 70% of net property  additions  instead
               of 60% and to make correlative changes in provisions relating to,
               among other things,  the release of property from the lien of the
               1939  Mortgage,  the withdrawal of cash held by the 1939 Mortgage
               Trustee,  the  acquisition  and use  under the 1939  Mortgage  of
               property securing prior lien indebtedness, and the use of retired
               prior lien bonds; and

               (xv) to modify  the  definition  of all  defaults  under the 1939
               Mortgage to be  substantially  identical to the Events of Default
               under the Mortgage; and

               (b) with respect to any amendments or  modifications  to the 1939
      Mortgage other than those referred to in (a) above, vote all Class A Bonds
      Outstanding  under the 1939  Mortgage  then held by it,  or  consent  with
      respect  thereto,  in the manner as described  under  "DESCRIPTION  OF THE
      BONDS -- Voting of Class A Bonds". (See Section 705 of the Mortgage.)

      The Company has reserved the right to make any or all of the modifications
to the 1939  Mortgage  described in (a)(i)  through  (a)(xiii)(A)  above without
consent or other  action of the holders of certain  outstanding  series of bonds
previously  issued  under the 1939  Mortgage  (not  including  the Class A Bonds
issued   thereunder  as  the  basis  of  the  issuance  of  Bonds)   aggregating
$461,500,000  in  principal  amount.  (See  Article  Three  of the  Supplemental
Indenture  dated as of  March  1,  1980  and  Article  Four of the  Supplemental
Indentures  dated as of July 1,  1990,  December  1,  1990,  and March 1,  1992,
respectively).

      The  indentures  under which certain  pollution  control  revenue bonds of
Morgan County,  Colorado and Adams County, Colorado were issued provide that the
trustees thereunder, as holders of bonds issued under the 1939 Mortgage having a
principal  amount of $156,750,000  in the aggregate,  shall vote in favor of, or
consent with respect to, any or all of the possible  modifications  described in
(a)(i) through (a)(xiii)(A) above.


                                      23

<PAGE>



      Default  Under  the 1939  Mortgage:  An event of  default  under  the 1939
Mortgage  includes a failure to pay  interest  on any bond,  or to pay a sinking
fund  installment,  for 60 days after such payment becomes due, a failure to pay
the  principal  of or premium,  if any, on any bond when the same becomes due, a
default  with  respect to the payment of  principal  of or interest on any prior
lien bonds,  a failure to perform any other covenant in the 1939 Mortgage for 90
days after  notice given to the Company by the 1939  Mortgage  Trustee or by the
holders of 10% in  principal  amount of  outstanding  bonds,  certain  events in
bankruptcy,  and an Event of Default under the Mortgage  and/or certain  matured
events of default  under any other Class A Mortgage.  (See  Section 1 of Article
VIII of the 1939 Mortgage and Article Five of the  Supplemental  Indenture dated
as of November 1, 1993 creating the First Mortgage Bonds,  Collateral Series A.)
The 1939 Mortgage  Trustee may withhold notice of default (except default in the
payment of principal  of or premium,  if any, or interest on the bonds or in the
payment of a sinking fund  installment) if it determines such  withholding to be
in the interests of the bondholders.  (See Section 2 of Article VIII of the 1939
Mortgage.)  The  Company is required  to report  annually  to the 1939  Mortgage
Trustee as to compliance with the covenants contained in the 1939 Mortgage. (See
Section 24 of Article IV of the 1939 Mortgage.)

      Upon  the  occurrence  of a  default  under  the 1939  Mortgage,  the 1939
Mortgage Trustee or the holders of 25% in principal amount of outstanding  bonds
may declare the principal of and interest  accrued on all outstanding  bonds due
and payable immediately; provided, however, that if such default has been cured,
(a) the holders of a majority in principal amount of outstanding bonds may annul
such  declaration  or (b) if,  in making  such  declaration,  the 1939  Mortgage
Trustee shall have acted  without a direction  from the holders of a majority in
principal  amount of outstanding  bonds, or if such  declaration was made by the
holders of 25% in  principal  amount of  outstanding  bonds and the holders of a
majority in principal  amount of  outstanding  bonds shall not have  theretofore
delivered a written  notice to the contrary,  then such  declaration  shall ipso
facto be deemed to be  annulled.  (See  Section  1 of  Article  VIII of the 1939
Mortgage.)

      Action by 1939 Mortgage Trustee:  Except as otherwise provided in the 1939
Mortgage,  the holders of a majority in  principal  amount of bonds  outstanding
under the 1939 Mortgage  have the right to require the 1939 Mortgage  Trustee to
enforce the lien of the 1939  Mortgage and direct the time,  method and place of
conducting any proceedings for any remedy available to the 1939 Mortgage Trustee
under the 1939 Mortgage.  (See Section 15 of Article VIII of the 1939 Mortgage.)
No holder of bonds  outstanding under the 1939 Mortgage has the right to enforce
the lien of the 1939  Mortgage  without  giving  to the  1939  Mortgage  Trustee
written  notice of default  and unless the  holders of a majority  in  principal
amount of outstanding  bonds shall have  requested the 1939 Mortgage  Trustee to
act  and  have  offered  the  1939  Mortgage   Trustee  security  and  indemnity
satisfactory  to it against the costs,  expenses and  liabilities to be incurred
thereby and the 1939 Mortgage Trustee shall have failed to take action within 60
days. (See Section 16 of Article VIII of the 1939 Mortgage.)

      Concerning  the  1939  Mortgage  Trustee:  The  Company  conducts  banking
transactions  with affiliates of the 1939 Mortgage  Trustee in the normal course
of the Company's  business and uses the 1939 Mortgage  Trustee or its affiliates
as trustee for various debt issues.


                                      24

<PAGE>




                         DESCRIPTION OF PREFERRED STOCK

      The following is a summary of certain rights and privileges of the holders
of the New  Preferred  Stock and all other shares of $100  Cumulative  Preferred
Stock  or $25  Cumulative  Preferred  Stock  heretofore  issued  by the  Company
(collectively  referred to as the  "Preferred  Stock").  This  summary  does not
purport  to  be  complete.  Reference  is  made  to  the  Restated  Articles  of
Incorporation, as amended, of the Company and the laws of the State of Colorado,
the following information being qualified in its entirety by such reference.

      The  Company  is  currently   authorized  by  its  Restated   Articles  of
Incorporation,  as  amended,  to  issue  3,000,000  shares  of  $100  Cumulative
Preferred Stock and 4,000,000 shares of $25 Cumulative Preferred Stock, of which
1,488,652 shares and 1,400,000 shares, respectively, are outstanding on the date
of this  Prospectus.  The two classes of preferred  stock rank equally with each
other with respect to dividend rights and rights on liquidation,  dissolution or
winding up of the Company.

      Reference is made to the Prospectus  Supplement,  or a supplement thereto,
for a description of the following terms of the series of New Preferred Stock in
respect of which this Prospectus is being delivered: (i) the designation of such
series of New Preferred Stock;  (ii) the number of shares of New Preferred Stock
of such series;  (iii) the purchase price and initial public  offering price, if
any, of the shares of such series;  (iv) the dividend  rate or rates of such New
Preferred  Stock and the date or dates from  which  dividends  thereon  shall be
cumulative;  (v) the terms and conditions,  if any,  pursuant to which,  and the
prices at which,  the Company may, at its option,  redeem shares of such series;
(vi)  the  terms  and  conditions  of any  sinking  fund or  provisions  for the
mandatory  redemption or purchase of shares of such series;  (vii) the amount or
amounts payable to the holders thereof on any voluntary liquidation, dissolution
or winding up of the Company;  (viii) whether such New Preferred  Stock is to be
issued in book-entry  form and  represented  by one or more global New Preferred
Stock  certificates  and, if so, the identity of the  depositary for such global
New Preferred Stock certificates; (ix) whether such New Preferred Stock is to be
listed  on any  stock  exchange;  and (x) any  other  terms of such  series  not
inconsistent with the Restated Articles of Incorporation, as amended.

      General:  The Board of Directors is authorized by the Restated Articles of
Incorporation,  as  amended,  to provide for the  issuance  from time to time of
Preferred  Stock in series,  and as to each  series to fix,  in any  appropriate
manner permitted by law, the designation,  dividend rate, voluntary  liquidation
prices,  redemption prices,  sinking fund provisions,  if any, number of shares,
conversion  rights,  if any,  and other  provisions  not  inconsistent  with the
Restated Articles of Incorporation, as amended, and as may be permitted by law.

      Dividend  Rights:  The holders of Preferred Stock are entitled to receive,
when and as declared by the Board of Directors,  out of legally available funds,
cumulative  cash dividends at the annual rates fixed for the respective  series,
payable on the first days of March,  June,  September and December in each year.
Dividends  on the New  Preferred  Stock will be payable at the rate set forth on
the cover page of the Prospectus  Supplement  related to such series and will be
cumulative from the date of original issuance thereof.

      No  dividends  shall at any time be paid on or set apart for any shares of
Preferred  Stock unless at the same time there shall be paid on or set apart for
all shares of Preferred Stock then outstanding

                                      25

<PAGE>



dividends in such amount that the holders of all shares of Preferred Stock shall
receive  or have set  apart  for them a uniform  percentage  of the full  annual
dividend to which they are respectively entitled.

      Unless and until full cumulative  dividends on the Preferred Stock for all
past dividend  periods and for the current  dividend period shall have been paid
or declared  and set apart for  payment,  no  dividends  (other  than  dividends
payable in Common  Stock)  shall be paid or declared on the Common  Stock of the
Company and no money (other than the net proceeds from the sale of Common Stock)
shall be set aside or applied to the purchase of Common Stock.

      Liquidation  Rights:  The holders of the Preferred Stock, upon liquidation
of the Company (statutory consolidation or merger not to be considered as such),
whether voluntary or involuntary,  shall be entitled to be paid the par value of
their  shares  plus  an  amount  equal  to  accrued  dividends  to the  date  of
distribution and, in the event of voluntary  liquidation,  such premium, if any,
as may be fixed for the shares of the respective  series.  Unless and until such
payment in full is made to the holders of the Preferred  Stock,  no distribution
shall be made to the  holders  of the  Common  Stock.  If upon any  liquidation,
dissolution  or  winding  up,  the  assets  distributable  among the  holders of
Preferred  Stock of all series shall be  insufficient  to permit  payment of the
full  preferential  amounts to which such holders  shall be  entitled,  then the
entire assets of the Company shall be distributed among the holders of Preferred
Stock  of all  series  then  outstanding  ratably  in  proportion  to  the  full
preferential  amounts to which  such  holders  are  respectively  entitled.  The
voluntary  liquidation premiums, if any, for the New Preferred Stock will be set
forth in a Prospectus Supplement.

      Redemption Provisions:  The Preferred Stock may be redeemed as a whole, or
in part by lot,  at any time upon not less  than 30 nor more than 60 days  prior
written  notice,  by payment to the  holders of the shares to be redeemed of the
redemption  price fixed for the shares of the respective  series which are to be
redeemed,  plus an amount  equal to the accrued  dividends to the date fixed for
redemption.  The redemption  prices, if any, for the New Preferred Stock and any
restriction  on the  redemption  thereof  will  be  set  forth  in a  Prospectus
Supplement.  The  Company's  Restated  Articles  of  Incorporation,  as amended,
contain no  restrictions  on the repurchase or redemption of shares of Preferred
Stock by the Company while dividends are in default.

      Voting  Rights:  All voting power is vested  exclusively in the holders of
the  Common  Stock,   except  to  the  extent  that  the  Restated  Articles  of
Incorporation,  as amended,  or the laws of the State of Colorado  confer voting
rights upon the holders of the Preferred Stock.

      The  affirmative  vote  of  the  holders  of at  least  two-thirds  of the
outstanding  shares  of $100  Cumulative  Preferred  Stock  and  $25  Cumulative
Preferred Stock,  voting as separate classes,  is necessary to: (A) authorize or
issue any stock  ranking  prior in any respect to the  Preferred  Stock;  or (B)
change the terms and provisions of the Preferred Stock so as to affect adversely
the rights and preferences of the holders thereof.  If, however,  only one class
of Preferred Stock is so affected, the consent only of the holders of two-thirds
of the shares of the affected  class need be  obtained.  If one or more but less
than all of the series of either class are so affected,  the consent only of the
holders of two-thirds of the total number of shares of the affected  series need
be obtained.

      The  affirmative  vote of at least  two-thirds  of the voting power of the
outstanding  Preferred Stock,  voting for such purpose as a single class in such
manner that the holders of the $100  Cumulative  Preferred Stock shall have four
(4) votes per share and the holders of the $25 Cumulative  Preferred Stock shall
have one (1) vote per share,  is  necessary  to issue any  additional  shares of
Preferred Stock or any

                                      26

<PAGE>



stock  ranking on a parity  therewith  unless  (i) gross  income  available  for
interest  charges  for twelve  consecutive  months out of the  fifteen  calendar
months preceding such issue has been at least one and one-half (1-1/2) times the
annual interest charges on funded  indebtedness and notes payable by the Company
maturing more than twelve months thereafter plus annual dividend requirements on
the  Preferred  Stock and stock,  if any,  ranking  prior thereto or on a parity
therewith outstanding  thereafter,  and (ii) capital represented by Common Stock
and  surplus  is not less than the amount  payable  in the event of  involuntary
liquidation on the Preferred  Stock and all other stock,  if any,  ranking prior
thereto or on a parity therewith outstanding thereafter.

      The  affirmative  vote of more than  one-half  of the voting  power of the
outstanding Preferred Stock, voting as one class for such purpose in such manner
that the  holders of the $100  Cumulative  Preferred  Stock  shall have four (4)
votes per share and the holders of the $25 Cumulative Preferred Stock shall have
one (1) vote per share,  is  necessary  to:  (A) issue or assume any  securities
representing  unsecured indebtedness for any purpose other than the refunding of
any  indebtedness  or the retiring of Preferred Stock or any stock ranking prior
thereto or on a parity therewith,  if immediately after such issue or assumption
the total principal  amount of all such unsecured  securities  then  outstanding
would  exceed  15% of the  total  principal  amount of  securities  representing
secured  indebtedness issued or assumed by the Company and then outstanding plus
the total capital and surplus of the Company;  or (B) merge or consolidate  with
any corporation,  other than a subsidiary,  or sell, other than to a subsidiary,
the property of the Company as or  substantially  as an entirety (an acquisition
or mortgage of assets not to be considered a merger or consolidation, or a sale,
respectively),  unless such  merger,  consolidation  or sale or the  issuance or
assumption of all  securities  to be issued or assumed in  connection  therewith
shall have been ordered,  approved or permitted by a regulatory  authority  then
having  jurisdiction,  in which event, in the case of a merger or consolidation,
the holders of the  Preferred  Stock shall be entitled to vote together with the
holders of the Common Stock.

      If  dividends  payable  on  the  outstanding   Preferred  Stock  shall  be
accumulated and unpaid in an amount equal to four (4) quarterly  dividends,  the
holders of such stock are entitled,  thereafter  and until all such  accumulated
and unpaid  dividends  shall have been fully paid or declared  and set apart for
payment, (a) voting for such purpose as a single class at each succeeding annual
meeting of  shareholders  in such  manner  that the  holders of $100  Cumulative
Preferred  Stock  shall have four (4) votes per share and the holders of the $25
Cumulative  Preferred  Stock  shall  have one (1) vote per  share,  to elect the
smallest number of directors  necessary to constitute a majority of the Board of
Directors,  the remaining directors to be elected as usual by the holders of the
Common Stock;  and (b) to vote on all  questions  other than for the election of
directors in such manner that the holders of the $100 Cumulative Preferred Stock
shall have  twenty  (20) votes per share and the  holders of the $25  Cumulative
Preferred  Stock shall have five (5) votes per share,  the holders of the Common
Stock having one (1) vote per share.

      Miscellaneous: The holders of the outstanding Preferred Stock do not have,
and the holders of the New Preferred Stock will not have, any conversion  rights
or any  preemptive or other  subscription  rights.  There are no sinking fund or
similar  provisions for the benefit of any of the outstanding  Preferred  Stock,
except the 7.50% and 8.40% $100  Cumulative  Preferred  Stock.  The  outstanding
Preferred  Stock is, and the New  Preferred  Stock  when  issued and paid for as
herein contemplated will be, fully paid and non-assessable.


      Transfer Agents and Registrars:  First  Chicago Trust Company of  New York
acts as the Transfer Agent and Registrar of the Preferred Stock.

                                      27

<PAGE>





                                 LEGAL OPINIONS

      The validity of the New Bonds and the New  Preferred  Stock will be passed
upon for the  Company  by  LeBoeuf,  Lamb,  Greene & MacRae,  L.L.P.,  a limited
liability partnership including  professional  corporations,  New York, New York
and Denver,  Colorado,  and for any  underwriters,  agents or dealers by Brown &
Wood,  New  York,  New York.  All legal  matters  pertaining  to titles  and the
respective  liens of the Mortgage and the 1939 Mortgage will be passed upon only
by LeBoeuf,  Lamb, Greene & MacRae,  L.L.P. In giving its opinion,  Brown & Wood
may rely as to all  matters of Colorado  law upon the opinion of LeBoeuf,  Lamb,
Greene & MacRae, L.L.P.


                                     EXPERTS

      Reference  is made to the  Incorporated  Documents  for  specification  of
certain  information  incorporated  herein by  reference  upon the  authority of
experts.  In addition,  the statements made in "Security" under  "DESCRIPTION OF
THE BONDS" and  "DESCRIPTION  OF THE 1939 MORTGAGE" and the  statements  made in
"DESCRIPTION  OF  PREFERRED  STOCK"  herein,  insofar as they are,  or refer to,
statements of law or legal  conclusions,  have been  reviewed by LeBoeuf,  Lamb,
Greene & MacRae, L.L.P., and have been set forth herein on the authority of said
firm as experts.


                              PLAN OF DISTRIBUTION

      The Company may sell each type and series of  Securities  as applicable in
any of three ways: (i) directly to a limited number of institutional  purchasers
or to a single purchaser;  (ii) through agents or (iii) through  underwriters or
dealers.  The Prospectus  Supplement  relating to each series of Securities will
set forth the terms of the offering of such  Securities,  including  the name or
names of any such agents,  underwriters  or dealers,  the purchase price of such
Securities and the net proceeds to the Company from such sale, any  underwriting
discounts and other items constituting underwriters'  compensation,  the initial
public  offering price and any discounts or concessions  allowed or reallowed or
paid to  dealers.  Any  initial  public  offering  price  and any  discounts  or
concessions  allowed or reallowed or paid to dealers may be changed from time to
time.

      If  underwriters  are  used in any sale of a series  of  Securities,  such
Securities will be acquired by such  underwriters  for their own account and may
be resold from time to time in one or more  transactions,  including  negotiated
transactions,  at a fixed public offering price or at varying prices  determined
at the time of sale.  Unless  otherwise set forth in the  Prospectus  Supplement
relating  to a series of  Securities,  the  obligations  of any  underwriter  or
underwriters to purchase such  Securities will be subject to certain  conditions
precedent and such underwriter or underwriters will be obligated to purchase all
of such Securities if any are purchased, except that, in certain cases involving
a default by one or more  underwriters,  less than all of such Securities may be
purchased.

      If an agent of the Company is used in any sale of a series of  Securities,
any  commission  payable  by the  Company to such agent will be set forth in the
Prospectus  Supplement  relating to such series of Securities.  Unless otherwise
indicated in the Prospectus Supplement,  any such agent will be acting on a best
effort basis for the period of its appointment.


                                      28

<PAGE>



      Any underwriters,  dealers or agents  participating in the distribution of
the Securities may be deemed to be underwriters, and any discount or commissions
received  by them on the  sale or  resale  of  Securities  may be  deemed  to be
underwriting  discounts and  commissions,  under the  Securities Act of 1933, as
amended (the "1933 Act"). Agents, underwriters and dealers may be entitled under
agreements  entered  into with the  Company to  indemnification  by the  Company
against certain liabilities, including liabilities under the 1933 Act.

                                      29

<PAGE>


========================================     ===================================


   No  dealer,   salesperson   or  other
individual  has been  authorized to give
any   information   or   to   make   any                 $125,000,000
representations    other    than   those
contained or  incorporated  by reference
in  this  Prospectus  Supplement  or the
Prospectus in connection  with the offer
made by this  Prospectus  Supplement and
the  Prospectus  and,  if given or made,
such information or representations must            PUBLIC SERVICE COMPANY
not  be  relied   upon  as  having  been                  OF COLORADO
authorized  by  the  Company  or by  any
Underwriter.  This Prospectus Supplement
and the  Prospectus  are not an offer to
sell or a  solicitation  of an  offer to
buy  any  securities  other  than  those
specifically  offered  hereby,  nor  are       
they an offer or  solicitation by anyone       
in any  jurisdiction in which such offer
or  solicitation is not authorized or in       
which the  person  making  such offer or         First Collateral Trust Bonds,
solicitation  is not  qualified to do so                  Series No. 3
or to any person to whom it is  unlawful
to make  such an offer or  solicitation.             
Neither the delivery of this  Prospectus              7-1/8% Bonds due 2006
Supplement  and the  Prospectus  nor any         
sale    hereunder    shall   under   any
circumstances   create  any  implication               
that  there  has been no  change  in the
affairs   of   the    Company   or   its
subsidiaries since the date hereof.


            ---------


         TABLE OF CONTENTS

        Prospectus Supplement                        ---------------------
                                Page                 PROSPECTUS SUPPLEMENT
                                ----                 ---------------------
Recent Developments.............S-2
Certain Terms of the                         
 Offered Bonds .................S-2
Application of Proceeds ........S-6
Underwriting ...................S-6

             Prospectus

Available Information ............2                    Merrill Lynch & Co.
Incorporation of Certain                              Goldman, Sachs & Co.
 Documents by Reference ..........2                 PaineWebber Incorporated
The Company ......................3
Ratio of Consolidated Earnings
   to Consolidated Fixed
   Charges and Ratio of
   Consolidated Earnings                     
   to Consolidated Combined
   Fixed Charges and Preferred
   Stock Dividend
   Requirements ..................3                      May 28, 1996
Application of Proceeds ..........3
Description of the Bonds .........3
Description of the 1939 Mortgage.19
Description of Preferred Stock...25
Legal Opinions ..................28
Experts..........................28
Plan of Distribution ............28


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