GOLDMAN SACHS GROUP INC
SC 13D, 2000-12-11
SECURITY BROKERS, DEALERS & FLOTATION COMPANIES
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                               UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549

                                SCHEDULE 13D

                 Under the Securities Exchange Act of 1934*


                         Orion Power Holdings, Inc.
---------------------------------------------------------------------------
                              (Name of Issuer)

                 Common Stock (Par Value $ 0.01 Per Share)
---------------------------------------------------------------------------
                       (Title of Class of Securities)

                                 686286105
---------------------------------------------------------------------------
                               (CUSIP Number)

         Paul M. Reinstein, Esq.                David J. Greenwald, Esq.
Fried, Frank, Harris, Shriver & Jacobson          Goldman, Sachs & Co.
           One New York Plaza                       85 Broad Street
           New York, NY 10004                      New York, NY 10004
             (212) 859-8000                          (212) 902-1000

---------------------------------------------------------------------------
         (Name, Address and Telephone Number of Persons Authorized
                   to Receive Notices and Communications)

                              November 30, 2000
---------------------------------------------------------------------------
          (Date of Event which Requires Filing of this Statement)


If the filing  person has  previously  filed a statement on Schedule 13G to
report the  acquisition  which is the subject of this  Schedule 13D, and is
filing this schedule because of Rule 13d-1(e),  13d-1(f) or 13d-1(g), check
the following box |_|.

*The  remainder  of this  cover  page  will be filled  out for a  reporting
person's  initial  filing on this form with respect to the subject class of
securities,  and for any subsequent amendment containing  information which
would alter disclosures provided in a prior cover page.

The  information  required on the  remainder of this cover page will not be
deemed to be  "filed"  for the  purpose  of  Section  18 of the  Securities
Exchange  Act of 1934 ("Act") or otherwise  subject to the  liabilities  of
that section of the Act but will be subject to all other  provisions of the
Act (however, see the Notes).


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    THE GOLDMAN SACHS GROUP, INC.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       40,851,000

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    40,851,000

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    40,851,000

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    41.1%

14  TYPE OF REPORTING PERSON

    HC-CO


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GOLDMAN, SACHS & CO.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF-WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [X]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    NEW YORK

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       40,851,000

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    40,851,000

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    40,851,000

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    41.1%

14  TYPE OF REPORTING PERSON

    BD-PN-IA


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS CAPITAL PARTNERS II, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       17,950,839

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    17,950,839

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    17,950,839

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    18.7%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS ADVISORS, L.L.C.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       17,950,839

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    17,950,839

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    17,950,839

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    18.7%

14  TYPE OF REPORTING PERSON

    OO


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS CAPITAL PARTNERS II OFFSHORE, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    CAYMAN ISLANDS

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       7,136,196

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    7,136,196

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    7,136,196

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    7.6%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS ADVISORS II, L.L.C.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       7,136,196

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    7,136,196

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    7,136,196

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    7.6%

14  TYPE OF REPORTING PERSON

    OO


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS CAPITAL PARTNERS II (GERMANY) CIVIL LAW PARTNERSHIP
    (WITH LIMITATION OF LIABILITY)

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    GERMANY

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       662,112

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    662,112

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    662,112

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    0.7%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS CAPITAL PARTNERS III GERMANY CIVIL LAW PARTNERSHIP
    (WITH LIMITATION OF LIABILITY)

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    GERMANY

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       472,839

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    472,839

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    472,839

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    0.5%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GOLDMAN, SACHS & CO. oHG

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    GERMANY

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       1,134,951

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    1,134,951

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,134,951

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    1.2%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    STONE STREET FUND 1998, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       925,335

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    925,335

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    925,335

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    1.0%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    BRIDGE STREET FUND 1998, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       279,267

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    279,267

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    279,267

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    0.3%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    STONE STREET 1998, L.L.C.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       1,204,602

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    1,204,602

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,204,602

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    1.3%

14  TYPE OF REPORTING PERSON

    OO


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS CAPITAL PARTNERS III, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    Delaware

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       10,242,359

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    10,242,359

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    10,242,359

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    10.8%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS CAPITAL PARTNERS III OFFSHORE, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    CAYMAN ISLANDS

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       2,815,747

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    2,815,747

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    2,815,747

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    3.0%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    GS ADVISORS III, L.L.C.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       13,058,106

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    13,058,106

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    13,058,106

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    13.8%

14  TYPE OF REPORTING PERSON

    OO


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    STONE STREET FUND 2000, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       219,423.2

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    219,423.2

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    219,423.2

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    0.2%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    STONE STREET 2000, L.L.C.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       219,423.2

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    219,423.2

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    219,423.2

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    0.2%

14  TYPE OF REPORTING PERSON

    OO


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    BRIDGE STREET SPECIAL OPPORTUNITIES FUND 2000, L.P.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       146,282.8

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    146,282.8

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    146,282.8

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    0.2%

14  TYPE OF REPORTING PERSON

    PN


<PAGE>
1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    BRIDGE STREET SPECIAL OPPORTUNITIES 2000, L.L.C.

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a)  [ ]
                                                         (b)  [ ]

3   SEC USE ONLY

4   SOURCE OF FUNDS

    AF

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) or 2(e)                           [ ]

6   CITIZENSHIP OR PLACE OF ORGANIZATION

    DELAWARE

  NUMBER OF      7  SOLE VOTING POWER

   SHARES           0

 BENEFICIALLY    8  SHARED VOTING POWER

OWNED BY EACH       146,282.8

 REPORTING       9  SOLE DISPOSITIVE POWER

PERSON WITH         0

                10  SHARED DISPOSITIVE POWER

                    146,282.8

11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    146,282.8

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)             [ ]
    EXCLUDES CERTAIN SHARES

13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

    0.2%

14  TYPE OF REPORTING PERSON

    OO


<PAGE>


ITEM 1.   Security and Issuer.
          --------------------

          This  statement on Schedule 13D relates to the common stock,  par
value $.01 per share (the "Common Stock"), of Orion Power Holdings, Inc., a
Delaware  corporation (the "Company").  The principal  executive offices of
the Company are at 7 East Redwood Street, 10th Floor,  Baltimore,  Maryland
21202.


ITEM 2.   Identity and Background.
          ------------------------

          This  statement  is being filed by GS Capital  Partners  II, L.P.
("GSCP II"), GS Capital Partners II Offshore, L.P. ("GSCP II Offshore"), GS
Capital  Partners II (Germany) Civil Law  Partnership  ("GSCP II Germany"),
Stone Street Fund 1998, L.P. ("Stone 1998"),  Bridge Street Fund 1998, L.P.
("Bridge  1998"),  GS Capital  Partners III, L.P.  ("GSCP III"), GS Capital
Partners III Offshore, L.P. ("GSCP III Offshore"),  GS Capital Partners III
Germany Civil Law Partnership ("GSCP III Germany"), Stone Street Fund 2000,
L.P. ("Stone 2000"),  Bridge Special Opportunities Fund 2000, L.P. ("Bridge
2000";  and together with GSCP II, GSCP II Offshore,  GSCP II Germany,  and
Stone 1998,  Bridge 1998,  GSCP III, GSCP III  Offshore,  GSCP III Germany,
Stone  2000,  the  "Limited  Partnerships"),   GS  Advisors,   L.L.C.  ("GS
Advisors"),  GS Advisors II, L.L.C.  ("GS  Advisors  II"), GS Advisors III,
L.L.C.  ("GS Advisors  III"),  Goldman,  Sachs & Co. oHG ("GS oHG"),  Stone
Street 1998,  L.L.C.  ("Stone  1998  L.L.C."),  Stone  Street 2000,  L.L.C.
("Stone 2000 L.L.C."),  Bridge Street Special  Opportunities  2000,  L.L.C.
("Bridge 2000 L.L.C.),  Goldman,  Sachs & Co.  ("Goldman  Sachs"),  and The
Goldman  Sachs  Group,  Inc.  ("GS Group";  and  together  with the Limited
Partnerships,  GS Advisors,  GS Advisors II, GS Advisors III, GS oHG, Stone
1998  L.L.C.,  Stone 2000  L.L.C.,  Bridge 2000 L.L.C.  and Goldman  Sachs,
collectively, the "Filing Persons"). [FN1]

          Each  of  GSCP  II,  a  Delaware  limited  partnership,  GSCP  II
Offshore,  a  Cayman  Islands  exempted  limited  partnership,  and GSCP II
Germany,  a German  civil law  partnership,  was formed for the  purpose of
investing in equity and  equity-related  securities  primarily  acquired or
issued in leveraged acquisitions,  reorganizations and other private equity
transactions. GS Advisors, a Delaware limited liability company is the sole
general  partner to GSCP II. GS Advisors II, a Delaware  limited  liability
company , is the sole general  partner to GSCP II  Offshore.  GS oHG is the
sole managing partner to GSCP II Germany.  Stone 1998 and Bridge 1998, each
a Delaware limited partnership, were formed for the purpose of investing in
equity  and  equity-related  securities  primarily  acquired  or  issued in
leveraged   acquisitions,   reorganizations   and  other   private   equity
transactions and in other financial  instruments.  Stone 1998 L.L.C. is the
sole general  partner of each of Stone 1998 and the sole  managing  general
partner of Bridge 1998. Each of GSCP III, a Delaware  limited  partnership,
GSCP III Offshore, a Cayman Islands exempted limited partnership,  and GSCP
III Germany, a German civil law partnership,  was formed for the purpose of
investing in equity and  equity-related  securities  primarily  acquired or
issued in leveraged acquisitions,  reorganizations and other private equity
transactions. GS Advisors III, a Delaware limited liability company, is the
sole general  partner of each of GSCP III and GSCP III Offshore.  GS oHG is
the sole general  partner of GSCP III Germany.  Stone 2000 and Bridge 2000,
each a  Delaware  limited  partnership,  were  formed  for the  purpose  of
investing in equity and  equity-related  securities  primarily  acquired or
issued in leveraged acquisitions,  reorganizations and other private equity
transactions.  Stone 2000 L.L.C. is the sole general partner of Stone 2000.
Bridge 2000 L.L.C.  is the sole  general  partner of Bridge  2000.  Goldman
Sachs, a New York limited partnership,  is an investment banking firm and a
member of the New York Stock Exchange,  Inc. and other national  exchanges.
Goldman Sachs is a wholly-owned direct and indirect subsidiary of GS Group.
Goldman  Sachs also  serves as an  investment  manager for GSCP II, GSCP II
Offshore,  GSCP  Germany,  GSCP III, GSCP III Offshore and GSCP III Germany
and is the manager of each of GS Advisors, GS Advisors II, GS Advisors III,
GS oHG,  Stone 1998  L.L.C.,  Stone 2000 L.L.C.  and Bridge 2000 L.L.C.  GS
Group is a Delaware  corporation  and a holding  company that  (directly or
indirectly  through  subsidiaries  or  affiliated  companies  or both) is a
leading investment banking organization.  The principal business address of
each Filing Person (other than GSCP II Offshore, GSCP III Offshore, GSCP II
Germany,  GSCP III Germany  and GS oHG) is 85 Broad  Street,  New York,  NY
10004. The principal business address for each of GSCP II Offshore and GSCP
III Offshore is c/o Maples and Calder,  P.O. Box 309, Grand Cayman,  Cayman
Islands.  The principal business address for each of GSCP II Germany,  GSCP
III Germany and GS oHG is MesseTurm, 60308 Frankfurt am Main, Germany.

--------
FN1  Neither  the  present  filing nor  anything  contained  herein will be
     construed  as an  admission  that  any  Filing  Person  constitutes  a
     "person" for any purpose other than for compliance  with Section 13(d)
     of the Securities Exchange Act of 1934.


          The name,  business address and present  principal  occupation or
employment  and  citizenship  of each director of GS Group are set forth in
Schedule  I hereto  and are  incorporated  herein by  reference.  The name,
business   address,   present   principal   occupation  or  employment  and
citizenship of each executive officer of GS Advisors, GS Advisors II and GS
Advisors III are set forth in Schedule  II-A-i hereto and are  incorporated
herein  by  reference.   The  name,  business  address,  present  principal
occupation or employment  and  citizenship  of each member of the Principal
Investment Area Investment Committee of Goldman Sachs, which is responsible
for making all  investment  and  management  decisions for GS Advisors,  GS
Advisors II and GS Advisors III on behalf of Goldman  Sachs,  are set forth
in Schedule  II-A-ii hereto and are incorporated  herein by reference.  The
name,  business  address,  present  principal  occupation or employment and
citizenship of each executive  officer of Stone 1998 L.L.C.  and Stone 2000
L.L.C. are set forth in Schedule II-B-i hereto and are incorporated  herein
by reference.  The name, business address, present principal occupation or
employment and  citizenship  of each member of the Stone Street  Investment
Committee of Goldman Sachs,  which is responsible for making all investment
and  management  decisions  for each of Stone  1998  L.L.C.  and Stone 2000
L.L.C. on behalf of Goldman Sachs, are set forth in Schedule II-B-ii hereto
and are  incorporated  herein by reference.  The name,  business  address,
present  principal   occupation  or  employment  and  citizenship  of  each
executive  officer  of Bridge  2000 L.L.C.  are set forth on  Schedule  II-C-i
hereto  and are  incorporated  herein  by  reference.  The  name,  business
address, present principal occupation or employment and citizenship of each
member of the Bridge Street Special  Opportunities  Investment Committee of
Goldman  Sachs,   which  is  responsible  for  making  all  investment  and
management  decisions for Bridge 2000 L.L.C. on behalf of Goldman Sachs are
set  forth on  Schedule  II-C-ii  hereto  and are  incorporated  herein  by
reference.  The name,  business address,  present  principal  occupation or
employment  and  citizenship  of each  executive  officer  and  director of
Goldman,  Sachs & Co.  Finanz  GmbH,  which  is the sole  managing  general
partner of GS oHG,  are set forth in the Schedule  II-D hereto,  to read in
its entirety as attached hereto, and are incorporated herein by reference.

          During the last five years,  none of the Filing Persons,  nor, to
the knowledge of each of the Filing  Persons,  any of the persons listed on
Schedules I, II-A-i,  II-A-ii,  II-B-i,  II-B-ii,  II-C-i,  II-C-ii or II-D
hereto, (i) has been convicted in a criminal proceeding  (excluding traffic
violations or similar misdemeanors) or (ii) except as set forth on Schedule
III  hereto,  has  been a party  to a civil  proceeding  of a  judicial  or
administrative  body of  competent  jurisdiction  and as a  result  of such
proceeding  was  or is  subject  to a  judgment,  decree,  or  final  order
enjoining  future  violations of, or  prohibiting  or mandating  activities
subject to federal or state  securities  laws or finding any violation with
respect to such laws.

          The Filing  Persons have  entered into a Joint Filing  Agreement,
dated as of  December  11,  2000,  a copy of which is  attached  hereto  as
Exhibit 99.1.


ITEM 3.   Source and Amount of Funds or Other Consideration.
          -------------------------------------------------

          All  references  in this Item 3 to the number of shares of Common
Stock and the  exercise  price of the warrants  have been  adjusted to give
effect to the Company Stock Split referred to below.

          Pursuant to the Stockholders' Agreement, dated March 10, 1998, as
amended on January 1, 1999,  as  amended  and  restated  on June 15,  1999,
November 5, 1999, and April 16, 2000 (the "Stockholders' Agreement"), among
the  Company,  GSCP II,  GSCP III,  GSCP II  Offshore,  GSCP III  Offshore,
Goldman,  Sachs & Co.  Verwaltungs GmbH, as nominee for GSCP II Germany and
as nominee for GSCP III Germany,  Stone 1998,  Bridge 1998,  Stone 2000 and
Bridge  2000,  Constellation  Enterprises,  Inc.,  Constellation  Operating
Services,  Inc.,  Diamond  Generating  Corporation,  Diamond Cayman,  Inc.,
Mitsubishi  International  Corporation,  and Tokyo  Electric  Power Company
International  B.V.,  (i) GSCP II  purchased  14,984,097  shares  of Common
Stock, and received  warrants to purchase  2,966,742 shares of Common Stock
for a total  consideration of $149,885,743,  which funds have been obtained
from the  working  capital of GSCP II,  (ii) GSCP III  purchased  5,653,409
shares of Common Stock, and received warrants to purchase  1,109,886 shares
of Common Stock for a total consideration of $56,534,084,  which funds have
been obtained from the working  capital of GSCP III, (iii) GSCP II Offshore
purchased  5,956,795  shares of Common  Stock,  and  received  warrants  to
purchase  1,179,401  shares of Common  Stock for a total  consideration  of
$59,585,743,  which funds have been  obtained  from the working  capital of
GSCP II Offshore,  (iv) GSCP III Offshore,  purchased  1,554,190  shares of
Common Stock,  and received  warrants to purchase  305,120 shares of Common
Stock for a total  consideration  of  $15,541,909,  which  funds  have been
obtained from the working capital of GSCP III Offshore,  (v) Goldman, Sachs
& Co.  Verwaltungs  GmbH  purchased  552,685  shares of Common  Stock,  and
received  warrants to purchase  109,427  shares of Common Stock for a total
consideration  of  $5,528,512,  which  funds  have been  obtained  from the
working capital of GSCP II Germany,  (vi) Goldman,  Sachs & Co. Verwaltungs
GmbH  purchased  260,990 shares of Common Stock,  and received  warrants to
purchase  51,237  shares  of  Common  Stock  for a total  consideration  of
$2,609,898, which funds have been obtained from the working capital of GSCP
III Germany, (vii) Stone 1998 purchased 773,101 shares of Common Stock, and
received  warrants to purchase  152,234  shares of Common Stock for a total
consideration  of  $7,681,660,  which  funds  have been  obtained  from the
working capital of Stone 1998,  (viii) Bridge 1998 purchased 233,322 shares
of Common Stock, and received  warrants to purchase 45,945 shares of Common
Stock  for a total  consideration  of  $2,318,340,  which  funds  have been
obtained from the working capital of Bridge 1998, (ix) Stone 2000 purchased
18,846  shares of Common  Stock,  and received  warrants to purchase  2,732
shares of Common Stock for a total  consideration of $188,464,  which funds
have been obtained from the working  capital of Stone 2000,  and (x) Bridge
2000  purchased  12,564  shares of Common Stock,  and received  warrants to
purchase  1,820  shares  of  Common  Stock  for a  total  consideration  of
$125,643, which funds have been obtained from the working capital of Bridge
2000. As a result of the foregoing,  the Limited Partnerships purchased, in
the  aggregate,  30,000,000  shares of Common  Stock,  and  received in the
aggregate,  warrants to  purchase  5,924,544  shares of Common  Stock for a
total consideration of $300,000,000.  A copy of the Stockholders' Agreement
is attached as Exhibit 99.2 hereto and incorporated by reference herein.

          In  addition,  in April 2000,  (i) GSCP III  purchased  3,142,974
shares of Common Stock, and received warrants to purchase 336,092 shares of
Common Stock for a total  consideration of $48,716,093,  which funds have
been obtained from the working  capital of GSCP III, (ii) GSCP III Offshore
purchased 864,042 shares of Common Stock, and received warrants to purchase
92,395  shares of Common Stock for a total  consideration  of  $13,392,648,
which funds  have  been  obtained  from the  working  capital of GSCP III
Offshore,  (iii) Goldman,  Sachs & Co.  Verwaltungs GmbH purchased  145,096
shares of Common Stock, and received  warrants to purchase 15,516 shares of
Common Stock for a total  consideration  of $2,248,980,  which funds have
been obtained from the working capital of GSCP III Germany, (iv) Stone 2000
purchased 178,733 shares of Common Stock, and received warrants to purchase
19,113  shares of Common  Stock for a total  consideration  of  $2,770,366,
which funds have been  obtained  from the working  capital of Stone 2000,
and (v) Bridge 2000 purchased  119,156 shares of Common Stock, and received
warrants  to  purchase   12,742   shares  of  Common   Stock  for  a  total
consideration  of  $1,846,911,  which funds have been  obtained  from the
working capital of Bridge 2000. As a result of these purchases, the Limited
Partnerships purchased, in the aggregate, 4,450,000 shares of Common Stock,
and received,  in the  aggregate,  warrants to purchase  475,858  shares of
Common  Stock for a total  consideration  of  $68,975,000  (the "April 2000
Purchases").

          Of the warrants referred to above, the Limited  Partnerships have
received, in the aggregate, warrants to purchase 5,034,257 shares of Common
Stock at an  exercise  price of $10.00 per share and  warrants  to purchase
1,366,143  shares of Common Stock at an exercise price of $15.50 per share.
The warrant  holders may exercise the warrants for an equivalent  number of
shares of Common  Stock when  accompanied  by payment of the full  exercise
price.  The warrant holders may also exercise the warrants  without payment
and would be entitled to a number of shares of Common Stock  equivalent  to
(x) the difference  between the aggregate  Current Market Price (as defined
in the Form of Warrant),  less the aggregate exercise price, divided by (y)
the Current  Market Price of one share of Common  Stock.  No warrants  have
been  exercised  as of June 30,  2000,  and  accordingly,  all warrants are
outstanding.  All of  these  warrants  expire  ten  years  from the date of
issuance.  The  foregoing  description  of the warrants is qualified in its
entirety by reference  to the Form of Warrant,  a copy of which is filed as
Exhibit 99.3 hereto, and is incorporated herein by reference.

          On August 10,  2000,  the Company  effected a  100-for-one  stock
split of its Common Stock (the "Company Stock Split").

          Between November 14, 2000 and November 30, Goldman Sachs executed
several  purchases and sales of Common Stock within the ordinary  course of
business:

          o    On November 14, 2000,  Goldman Sachs purchased 47,900 shares
               of Common Stock for a total consideration of $1,051,825.00.

          o    On November 14, 2000,  Goldman Sachs purchased 25,000 shares
               of Common Stock for a total consideration of $531,250.00.

          o    On November 14, 2000,  Goldman Sachs  purchased 2,100 shares
               of Common Stock for a total consideration of $45,412.50.

          o    On November 14, 2000,  Goldman Sachs purchased 750 shares of
               Common Stock for a total consideration of $16,078.13.

          o    On November 14, 2000,  Goldman  Sachs sold 50,000  shares of
               Common Stock for a total consideration of $1,069,390.00.

          o    On November 14, 2000,  Goldman  Sachs sold 25,000  shares of
               Common Stock for a total consideration of $531,250.00.

          o    On  November  14,  2000,  Goldman  Sachs  sold 750 shares of
               Common Stock for a total consideration of $16,078.13.

          o    On November 22, 2000,  Goldman Sachs purchased 16,200 shares
               of Common Stock for a total consideration of $273,375.00.

          o    On November 22, 2000,  Goldman Sachs  purchased 2,300 shares
               of Common Stock for a total consideration of $38,525.00.

          o    On November 22, 2000,  Goldman Sachs  purchased 1,000 shares
               of Common Stock for a total consideration of $16,600.00.

          o    On November 22, 2000,  Goldman  Sachs sold 18,100  shares of
               Common Stock for a total consideration of $296,387.50.

          o    On  November  22,  2000,  Goldman  Sachs  sold 400 shares of
               Common Stock for a total consideration of $6,600.00.

          o    On November 29, 2000,  Goldman Sachs  purchased 2,000 shares
               of Common Stock for a total consideration of $39,125.00.

          o    On November 30, 2000,  Goldman Sachs purchased 500 shares of
               Common Stock for a total consideration of $9,437.50.

          o    On November  30,  2000,  Goldman  Sachs sold 2,000 shares of
               Common Stock for a total consideration of $37,750.00.

          o    On  November  30,  2000,  Goldman  Sachs  sold 500 shares of
               Common Stock for a total consideration of $9,875.00.

          As a result of the aforementioned  trades, Goldman Sachs acquired
an additional 1,000 shares of Common Stock. The funds used for all of these
trades were obtained from Goldman Sachs' working capital.

          None of the individuals  listed on Schedules I, II-A-i,  II-A-ii,
II-B-i,  II-B-ii,  II-C-i, II-C-ii or II-D hereto has contributed any funds
or other  consideration  towards  the  purchase  of the  securities  of the
Company except insofar as they may have partnership interests in any of the
Filing  Persons and have made  capital  contributions  to any of the Filing
Persons, as the case may be.


ITEM 4.   Purpose of Transaction.
          -----------------------

          In  March,  1998,   certain  of  the  Limited   Partnerships  and
Constellation  Enterprises,  Inc.  caused the  formation of the Company and
entered into the  Stockholders'  Agreement.  Upon formation of the Company,
certain of the Limited Partnerships owned, in the aggregate,  approximately
63% of the outstanding  Common Stock of the Company.  Pursuant to the terms
of the  Stockholders'  Agreement,  as it was amended from time to time, the
Limited Partnerships, in addition to the other stockholders of the Company,
were required to acquire Common Stock of the Company upon the making by the
Company  of  capital  calls.  In  addition,  pursuant  to the  terms of the
Stockholders' Agreement, the Limited Partnerships were entitled to receive,
upon  each  sale of shares  of  Common  Stock of the  Company  prior to the
initial  public  offering  of the Common  Stock (the  "IPO"),  warrants  to
purchase up to an aggregate maximum of 6,400,400 shares of Common Stock. As
set  forth in Item 3 and Item 5, as a result  of these  investments  in the
Company and the April 2000  Purchases  and  following  the IPO, the Limited
Partnerships beneficially owned in the aggregate approximately 41.1% of the
Company's  Common Stock as of November 21, 2000.  The Limited  Partnerships
acquired  their shares for the purpose of  obtaining an equity  interest in
the Company.  The shares of Common  Stock which may be deemed  beneficially
owned by  Goldman  Sachs  and GS Group  (other  than  through  the  Limited
Partnerships) were acquired in the ordinary course of business.

          None of the Filing  Persons  or, to the  knowledge  of the Filing
Persons, any of the persons listed on Schedules I, II-A-i, II-A-ii, II-B-i,
II-B-ii, II-C-i, II-C-ii or II-D hereto has any present plans or intentions
which would  result in or relate to any of the  transactions  described  in
subparagraphs  (a)  through  (j)  of  Item 4 of  Schedule  13D.  Three  (3)
Directors of the Company are  currently  employed by Goldman  Sachs.  These
three (3) directors of the Company include Richard A. Friedman,  Co-Head of
Goldman  Sachs'  Merchant  Banking  Division,  and Head of  Goldman  Sachs'
Principal Investment Area; Douglas F. Londal,  Managing Director of Goldman
Sachs in the Merchant Banking  Division;  and Terence M. O'Toole,  Managing
Director  of  Goldman  Sachs in the  Merchant  Banking  Division.  In their
capacity as directors, they will participate, and will have the opportunity
to vote,  on matters  that are  presented  to the board of directors of the
Company,  including sales of assets,  extraordinary corporate transactions,
and changes to the Company's  capitalization,  dividend policy, business or
corporate structure.

          Each of the  Filing  Persons  expects to  evaluate  on an ongoing
basis  the  Company's  financial   condition,   business,   operations  and
prospects,  the  market  price  of  the  Common  Stock,  conditions  in the
securities markets generally,  general economic and industry conditions and
other factors. Accordingly, each Filing Person reserves the right to change
its  plans  and  intentions  at  any  time,  as it  deems  appropriate.  In
particular,  the Filing  Persons may purchase  additional  shares of Common
Stock or may sell  shares  of Common  Stock  from time to time in public or
private transactions, may distribute any of the securities in kind to their
partners and/or may enter into privately negotiated derivative transactions
with  institutional  counterparties to hedge the market risk of some or all
of its  positions  in the  Common  Stock  or  other  securities.  Any  such
transactions  may be effected at any time or from time to time  (subject to
any  applicable  limitations  imposed on the sale of any of their shares of
Common Stock by the  Securities  Act of 1933,  as amended (the  "Securities
Act"),  and, in the case of sales by the Limited  Partnerships,  subject to
the  other  restrictions  described  in Item 6). To the  knowledge  of each
Filing Person, each of the persons listed on Schedules I, II-A-i,  II-A-ii,
II-B-i,  II-B-ii,  II-C-i,  II-C-ii  or  II-D  hereto  may  make  the  same
evaluation.


ITEM 5.   Interests in Securities of the Issuer.
          -------------------------------------

          (a) As of November 30, 2000, GSCP II beneficially  owned, and its
sole  general  partner,  GS  Advisors,  may be deemed to have  beneficially
owned, an aggregate of 17,950,839 shares of Common Stock, by reason of GSCP
II's beneficial ownership of 14,984,097 shares of Common Stock and warrants
to purchase 2,966,742 shares of Common Stock, representing in the aggregate
approximately   18.7%  of  the  shares  of  Common  Stock  reported  to  be
outstanding  in the Company's  quarterly  report on Form 10Q for the period
ended September 30, 2000 (the "10Q").

          As of November 30, 2000, GSCP II Offshore beneficially owned, and
its sole general partner, GS Advisors II may be deemed to have beneficially
owned, an aggregate of 7,136,196  shares of Common Stock, by reason of GSCP
II Offshore's  beneficial ownership of 5,956,795 shares of Common Stock and
warrants to purchase 1,179,401 shares of Common Stock,  representing in the
aggregate  approximately  7.6% of the shares of Common Stock reported to be
outstanding in the 10Q.

          As of November  30,  2000,  GS II Germany  beneficially  owned an
aggregate of 662,112 shares of Common Stock, by reason of GSCP II Germany's
beneficial  ownership  of 552,685  shares of Common  Stock and  warrants to
purchase  109,427  shares of Common  Stock  representing  in the  aggregate
approximately 0.7% of the shares of Common Stock reported to be outstanding
in the 10Q.

          As of  November  30,  2000,  Stone  1998  beneficially  owned  an
aggregate  of 925,335  shares of Common  Stock,  by reason of Stone  1998's
beneficial  ownership  of 773,101  shares of Common  Stock and  warrants to
purchase  152,234  shares of Common  Stock  representing  in the  aggregate
approximately 1.0% of the shares of Common Stock reported to be outstanding
in the 10Q.

          As of  November  30,  2000,  Bridge  1998  beneficially  owned an
aggregate of 279,267  shares of Common  Stock,  by reason of Bridge  1998's
beneficial  ownership  of 233,322  shares of Common  Stock and  warrants to
purchase  45,945  shares  of Common  Stock  representing  in the  aggregate
approximately 0.3% of the shares of Common Stock reported to be outstanding
in the 10Q.

          As of November 30, 2000,  GSCP III  beneficially  owned,  and its
sole general  partner,  GS Advisors III may be deemed to have  beneficially
owned, an aggregate of 10,242,359 shares of Common Stock, by reason of GSCP
III's beneficial ownership of 8,796,383 shares of Common Stock and warrants
to purchase  1,445,976 shares of Common Stock representing in the aggregate
approximately   10.8%  of  the  shares  of  Common  Stock  reported  to  be
outstanding in the 10Q.

          As of November 30, 2000,  GSCP III Offshore  beneficially  owned,
and its sole  general  partner,  GS  Advisors  III,  may be  deemed to have
beneficially  owned,  an aggregate of 2,815,747  shares of Common Stock, by
reason of GSCP III Offshore's  beneficial  ownership of 2,418,232 shares of
Common  Stock and  warrants to  purchase  397,515  shares of Common  Stock,
representing  in the aggregate  approximately  3.0% of the shares of Common
Stock reported to be outstanding in the 10Q.

          As of November 30, 2000, GSCP III Germany  beneficially  owned an
aggregate  of  472,839  shares  of  Common  Stock,  by  reason  of GSCP III
Germany's  beneficial  ownership  of  406,086  shares of  Common  Stock and
warrants to purchase  66,753  shares of Common Stock,  representing  in the
aggregate  approximately  0.5% of the shares of Common Stock reported to be
outstanding in the 10Q.

          As of November 30, 2000, Stone 2000  beneficially  owned, and its
sole general partner,  Stone 2000 L.L.C. may be deemed to have beneficially
owned, an aggregate of 219,423.2 shares of Common Stock, by reason of Stone
2000's beneficial  ownership of 197,579 shares of Common Stock and warrants
to purchase 21,844.2 shares of Common Stock,  representing in the aggregate
approximately 0.2% of the shares of Common Stock reported to be outstanding
in the 10Q.

          As of November 30, 2000, Bridge 2000 beneficially  owned, and its
sole  general  partner,   Bridge  2000  L.L.C.,   may  be  deemed  to  have
beneficially  owned,  an aggregate of 146,282.8  shares of Common Stock, by
reason of Bridge 2000's  beneficial  ownership of 131,720  shares of Common
Stock  and  warrants  to  purchase   14,562.8   shares  of  Common   Stock,
representing  in the aggregate  approximately  0.2% of the shares of Common
Stock reported to be outstanding in the 10Q.

          As  of  November  30,  2000,   GS  oHG  may  be  deemed  to  have
beneficially  owned,  an  aggregate  of 958,771  shares of Common Stock and
warrants to purchase  176,180 shares of Common Stock,  representing  in the
aggregate  approximately  1.2% of the shares of Common Stock reported to be
outstanding in the 10Q.

          As of  November  30,  2000,  Stone 1998 LLC may be deemed to have
beneficially  owned,  an aggregate of 1,006,423  shares of Common Stock and
warrants to purchase  198,179 shares of Common Stock,  representing  in the
aggregate,  approximately 1.3% of the shares of Common Stock reported to be
outstanding in the 10Q.

          As of November 30, 2000,  each of Goldman  Sachs and GS Group may
be deemed to have beneficially  owned, an aggregate of 40,851,400 shares of
Common  Stock,  representing  in the aggregate  approximately  41.1% of the
shares of Common Stock  reported to be  outstanding as of November 30, 2000
by the  Company,  consisting  of (i)  40,850,400  shares  of  Common  Stock
beneficially owned by the Limited Partnerships as described above, and (ii)
1,000 shares of Common Stock acquired by Goldman Sachs in ordinary  trading
activities.

          GS Group and Goldman Sachs each disclaim beneficial  ownership of
the shares of Common Stock beneficially  owned by the Limited  Partnerships
to the extent of partnership  interests in the Limited Partnerships held by
persons other than GS Group, Goldman Sachs or their affiliates.

          None of the Filing  Persons  or, to the  knowledge  of the Filing
Persons,  the persons  listed on  Schedules  I,  II-A-i,  II-A-ii,  II-B-i,
II-B-ii,  II-C or II-D hereto  beneficially owns any shares of Common Stock
as of November 30, 2000, other than as set forth herein.

          (b) Each  Filing  Person  shares  the power to vote or direct the
vote and to dispose or to direct the  disposition of shares of Common Stock
beneficially owned by such Filing Person as indicated on pages 2 through 20
above.

          (c) Schedule IV sets forth transactions in the Common Stock which
have been effected during the period from October 1, 2000 through  November
30, 2000, all of which were effected in the ordinary  course of business of
Goldman Sachs. The transactions in the Common Stock,  described in Schedule
IV,  were  effected  on  The  New  York  Stock  Exchange,  Inc.  The  total
consideration  (exclusive  of  commissions)  for the shares of Common Stock
purchased during this period was approximately $2,011,689.

          Except as set forth on Schedule IV, no transactions in the Common
Stock were effected by the Filing  Persons,  or, to the knowledge of any of
the Filing  Persons,  any of the persons  listed on  Schedules  I,  II-A-i,
II-A-ii,  II-B-i,  II-B-ii,  II-C-i,  II-C-ii and II-D  hereto,  during the
period from October 1, 2000 through November 30, 2000.

          (d) No other  person  is known by any  Filing  Person to have the
right to receive or the power to direct the receipt of dividends  from,  or
the  proceeds  from the sale of,  any shares of Common  Stock  beneficially
owned by any Filing Person.

          (e) Not applicable.


ITEM 6.   CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS
          WITH RESPECT TO SECURITIES OF THE ISSUER.
          --------------------------------------------------------

          The responses set forth in Items 3 and 4 of this Schedule 13D are
incorporated herein by reference in their entirety.

Stockholders' Agreement
-----------------------

          The   Stockholders'   Agreement   provides   that  the  Company's
certificate of incorporation and bylaws are to provide for indemnification,
advancement  of expenses and  limitation  of the personal  liability of the
Company's  directors to the fullest extent  permitted by law, and that such
provisions may not be amended, repealed or otherwise modified in any manner
adverse to any  director  until at least six years from the  closing of the
IPO. In addition, pursuant to the Stockholders' Agreement, all transactions
between the Company and any of its  stockholders or their  affiliates shall
occur only after  arms-length  negotiations  which  result in  market-based
price,  terms and conditions,  which provision shall survive the closing of
the IPO.  The  foregoing  description  of the  Stockholders'  Agreement  is
qualified in its entirety by reference to the  Stockholders'  Agreement,  a
copy of which is filed as Exhibit 99.2 hereto,  and is incorporated  herein
by reference.

Underwriting Agreement
----------------------

          In  connection  with the IPO, an  Underwriting  Agreement,  dated
November 13, 2000 (the "Underwriting  Agreement"),  was entered into by the
Company, Constellation Operating Services, Inc., Constellation Enterprises,
Inc. and Goldman Sachs,  Credit Suisse First Boston  Corporation,  Deutsche
Bank Securities Inc., Merrill Lynch,  Pierce,  Fenner & Smith Incorporated,
Morgan Stanley & Co. Incorporation,  as representatives of the underwriters
listed  in  Schedule  I  thereto  (the  "Underwriters").  The  Underwriting
Agreement   provides  for  (i)  the  Company  to  issue  and  sell  to  the
Underwriters  an  aggregate  of  24,279,032  shares of Common Stock and the
Underwriters  to receive  option to purchase up to an additional  4,125,000
shares of Common Stock and (ii) the  stockholders  of the Company  named in
Schedule  II  thereto  (the   "Selling   Stockholders")   to  sell  to  the
Underwriters  an aggregate of 3,220,968  shares of Common Stock,  with each
Selling  Stockholder selling the number of shares of Common Stock indicated
in Schedule II thereto.  The initial  public  offering price in the IPO was
$20.00  per  share.  Under the  Underwriting  Agreement,  the  Underwriters
purchased  the Common  Stock net of an  underwriting  discount of $1.25 per
share. The Underwriting  Agreement  contains  standard terms and conditions
for public offerings,  including  customary  representations and warranties
and indemnity  provisions.  The foregoing  description of the  Underwriting
Agreement is  qualified  in its  entirety by reference to the  Underwriting
Agreement,  a copy of  which  is  filed  as  Exhibit  99.4  hereto,  and is
incorporated herein by reference.

Lock-Up Agreement
-----------------

          In connection with the IPO,  pursuant to a letter agreement dated
November  17,  2000  (the   "Lock-Up   Agreement")   each  of  the  Limited
Partnerships  has agreed that,  during the period  beginning on the date of
the final  prospectus  (November 13, 2000) and  continuing to and including
the date 180 days  thereafter,  the  Limited  Partnerships  will not offer,
sell,  contract to sell,  pledge,  grant any option to  purchase,  make any
short  sale or  otherwise  dispose  of any  shares of  Common  Stock or any
securities convertible into,  exchangeable for or which represent the right
to receive  shares of Common Stock,  other than by making  certain types of
gifts  meeting  conditions  pre-defined  in  the  Lock-Up  Agreement.   The
foregoing description of the Lock-Up Agreement is qualified in its entirety
by reference to the Lock-Up Agreement,  a copy of which is filed as Exhibit
99.5 hereto, and is incorporated herein by reference.

Certificate of Incorporation
----------------------------

          Pursuant to the  Company's  Amended and Restated  Certificate  of
Incorporation, (the "Certificate of Incorporation"),  so long as affiliates
of  Goldman  Sachs  own 5% or  more  of the  Company's  outstanding  voting
securities or exercise a "controlling  influence"  over the Company (within
the meaning of the Public Utility Holding Company Act "PUHCA"), the Company
may not  without  the prior  written  consent  of  Goldman  Sachs  acquire,
directly  or  indirectly,  any of the  voting  securities  of, and will not
become,  a  "public-utility  company",  or an  "affiliate" or a "subsidiary
company" or a "holding  company" (as those terms are defined in PUHCA) with
respect to any such public utility company, and the Company will not become
a  "public  utility"  (as such term is  defined  in the  Federal  Power Act
("FPA")), in each case so long as PUHCA and/or the FPA are in effect and so
long as  acquiring  any such  securities  or becoming  any of the  entities
identified above imposes material  regulatory or other  restrictions on the
Company,  Goldman Sachs or its affiliates,  or any other  stockholder.  The
Certificate  of  Incorporation,  however,  does not in any way  restrict or
prohibit the Company from becoming, or require the prior written consent of
Goldman Sachs for the Company to become, a  "public-utility"  under the FPA
solely by reason of the Company's  (1)  ownership of any "exempt  wholesale
generator" (as such term is defined in PUHCA) or any "qualifying  facility"
(as such term is defined in the Public Utility  Regulatory  Policies Act of
1978),  (2)  authority to directly or through an  affiliate  or  subsidiary
market  or  broker  wholesale  power  including  related  services  or  (3)
ownership  of  electric  transmission  facilities  relating  to  an  exempt
wholesale generator or qualifying facility,  that is subject to the FPA, or
from making  other  necessary  filings to  effectuate  the  acquisition  of
electric  generating  assets  located  in the  United  States or Canada not
otherwise prohibited by this provision of the Certificate of Incorporation.
This provision may not be amended,  modified or repealed  without the prior
written  consent of Goldman Sachs and its affiliates for as long as Goldman
Sachs and its affiliates own 5% or more of the Company's outstanding voting
securities or exercise a  "controlling  influence"  over the Company within
the meaning of PUHCA.  The  foregoing  description  of the  Certificate  of
Incorporation  is qualified in its entirety by reference to the Certificate
of Incorporation,  a copy of which is filed as Exhibit 3.1 to the Company's
Registration  Statement  on Form S-1  filed on  October  27,  2000,  and is
incorporated herein by reference.

November Agreement
------------------

          Pursuant to an agreement  dated  November 13, 2000 (the "November
Agreement"), by and among the Company the Limited Partnerships,  if Goldman
Sachs Entities (as defined in the November  Agreement) are no longer in the
aggregate a controlling shareholder in the Company but still own 5% or more
of the Company's outstanding  securities,  and the Company wishes to engage
in any activities  that will subject the Company to regulation  under PUHCA
and which are prohibited under the Certificate of Incorporation without the
consent of Goldman Sachs Entities, Goldman Sachs Entities will negotiate in
good faith with the Company to structure the  transaction  or its ownership
interest  in the  Company  so as to  avoid  material  regulatory  or  other
restrictions  on the  Company  or Goldman  Sachs  Entities.  The  foregoing
description  of the  November  Agreement  is  qualified  in its entirety by
reference  to the November  Agreement,  a copy of which is filed as Exhibit
99.6 hereto, and is incorporated herein by reference.

Registration Rights Agreement
-----------------------------

          Pursuant  to  an  Amended  and   Restated   Registration   Rights
Agreement,  dated April 26, 2000 (the "Registration Rights Agreement"),  by
and among the Company,  Goldman,  Sachs & Co.  Verwaltungs GmbH, as nominee
for GSCP II Germany and as nominee for GSCP III Germany, Stone 1998, Bridge
1998,  Stone  2000,  and  Bridge  2000,  Constellation  Enterprises,  Inc.,
Constellation  Operating  Services,  Inc., Diamond Generating  Corporation,
Diamond  Cayman,  Inc.,  Mitsubishi  International  Corporation  and  Tokyo
Electric Power Company  International  B.V.; each of GSCP II and affiliated
investment partnerships, Constellation Enterprises, Constellation Operating
Services,  certain affiliates of Mitsubishi  Corporation and Tokyo Electric
Power Company  International  has been granted  registration  rights by the
Company  pursuant to which each  stockholder  may require the Company  from
time to time after the  expiration  of six months  from this  offering,  to
register  their  shares of Common  Stock for sale to the  public  under the
Securities  Act.  In  addition,  each  of the  Company's  stockholders  has
piggyback  registration  rights that allow them to include  their shares of
Common Stock in  registration  statements  initiated by the Company.  These
registration  rights are subject to conditions and  limitations,  including
the right of the  underwriters of an offering to limit the number of shares
included in a  registration  statement.  The foregoing  description  of the
Registration Rights Agreement, is qualified in its entirety by reference to
the Registration Rights Agreement, a copy of which is filed as Exhibit 99.7
hereto, and is incorporated herein by reference.

          Except as described herein, none of the Filing Persons or, to the
knowledge  of each of the  Filing  Persons,  any of the  persons  listed on
Schedules I, II-A-i,  II-A-ii,  II-B-i,  II-B-ii,  II-C-i,  II-C-ii or II-D
hereto  is  a  party  to  any  contract   arrangement,   understanding   or
relationship with respect to the securities of the Company.


ITEM 7.   Material to be Filed as Exhibits.
          --------------------------------

Exhibit 99.1   Joint Filing Agreement, dated as of December 11, 2000, among
               The Goldman  Sachs  Group,  Inc.,  Goldman,  Sachs & Co., GS
               Capital Partners II, L.P., GS Advisors,  L.L.C.,  GS Capital
               Partners II  Offshore,  L.P.,  GS Advisors  II,  L.L.C.,  GS
               Capital  Partners II (Germany) Civil Law  Partnership  (with
               limitation of  liability),  GS Capital  Partners III Germany
               Civil  Law  Partnership   (with  limitation  of  liability),
               Goldman,  Sachs & Co. oHG,  Stone  Street  Fund 1998,  L.P.,
               Bridge Street Fund 1998, L.P., Stone Street 1998, L.L.C., GS
               Capital   Partners  III,  L.P.,  GS  Capital   Partners  III
               Offshore,  L.P., GS Advisors III, L.L.C.,  Stone Street Fund
               2000, L.P., Stone Street 2000, L.L.C., Bridge Street Special
               Opportunities   Fund  2000,  L.P.,   Bridge  Street  Special
               Opportunities 2000, L.L.C.

Exhibit 99.2   Third Amended and Restated  Stockholders'  Agreement,  dated
               April 26, 2000, by and among Orion Power Holdings,  Inc., GS
               Capital Partners II, L.P., GS Capital Partners III, L.P., GS
               Capital Partners II Offshore, L.P., GS Capital Partners III,
               L.P.,  GS Capital  Partners II  Offshore,  L.P.,  GS Capital
               Partners  III  Offshore,  Goldman,  Sachs & Co.  Verwaltungs
               GmbH, as nominee for GS Capital  Partners II (Germany) Civil
               Law Partnership  and as nominee for GS Capital  Partners III
               Germany Civil Law Partnership, Stone Street Fund 1998, L.P.,
               Bridge Street Fund 1998,  L.P., Stone Street Fund 2000, L.P.
               and   Bridge   Street   Fund   2000,   L.P.,   Constellation
               Enterprises,  Inc.,  Constellation Operating Services, Inc.,
               Diamond  Generating   Corporation,   Diamond  Cayman,  Inc.,
               Mitsubishi  International  Corporation,  and Tokyo  Electric
               Power Company International B.V.

Exhibit 99.3   Form of Warrant.

Exhibit 99.4   Underwriting  Agreement dated November 13, 2000, among Orion
               Power  Holdings,  Inc.,  Constellation  Operating  Services,
               Inc.,  Constellation  Enterprises Inc. and Goldman,  Sachs &
               Co., Credit Suisse First Boston  Corporation,  Deutsche Bank
               Securities  Inc.,  Merrill  Lynch,  Pierce,  Fenner  & Smith
               Incorporated  and Morgan Stanley & Co.  Incorporated  as the
               representatives  of the  Underwriters  named in  Schedule  I
               thereto.

Exhibit 99.5   Lock-Up  Agreement dated November 17, 2000, among GS Capital
               Partners III, L.P, GS Capital  Partners II, L.P., GS Capital
               Partners  III  Offshore,   L.P.,  GS  Capital   Partners  II
               Offshore,  L.P.,  Goldman,  Sachs & Co.  Verwaltungs,  Gmbh,
               Goldman,  Sachs & Co.  Verwaltungs,  Gmbh, Stone Street Fund
               1998, L.P., Bridge Street Fund 1998, L.P., Stone Street Fund
               2000, L.P., Bridge Street Special  Opportunities  Fund 2000,
               L.P.

Exhibit 99.6   Agreement  dated November 13, 2000, by and among Orion Power
               Holdings,  Inc.,  GS Capital  Partners II, L.P.,  GS Capital
               Partners II Offshore, L.P., Goldman, Sachs & Co. Verwaltungs
               GmbH, as nominee for GS Capital  Partners II (Germany) Civil
               Law Partnership,  and as nominee for GS Capital Partners III
               Germany  Civil Law  Partnership,  GS Capital  Partners  III,
               L.P., GS Capital Partners III Offshore,  L.P., Bridge Street
               Fund 1998, L.P., Bridge Street Special  Opportunities  2000,
               L.P.,  Stone Street Fund 1998,  L.P.,  and Stone Street Fund
               2000, L.P.

Exhibit 99.7   Amended and Restated  Registration  Rights Agreement,  dated
               April 26,  2000,  by and among Orion Power  Holdings,  Inc.,
               Goldman,  Sachs & Co.  Verwaltungs  GmbH,  as nominee for GS
               Capital Partners II (Germany) Civil Law Partnership,  and as
               nominee  for GS  Capital  Partners  III  Germany  Civil  Law
               Partnership,  Stone Street Fund 1998,  L.P.,  Bridge  Street
               Fund 1998,  L.P.,  Stone Street Fund 2000,  L.P., and Bridge
               Street  Special  Opportunities  2000,  L.P.,   Constellation
               Enterprises,  Inc.,  Constellation Operating Services, Inc.,
               Diamond  Generating   Corporation,   Diamond  Cayman,  Inc.,
               Mitsubishi  International  Corporation  and  Tokyo  Electric
               Power Company International B.V.

Exhibit 99.8   Power of Attorney,  dated December 8, 2000, relating to
               The Goldman Sachs Group, Inc.

Exhibit 99.9   Power of Attorney,  dated December 8, 2000, relating to
               Goldman Sachs & Co.

Exhibit 99.10  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners II, L.P.

Exhibit 99.11  Power of Attorney,  dated February 1, 2000, relating to
               GS Advisors, L.L.C.

Exhibit 99.12  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners II Offshore, L.P.

Exhibit 99.13  Power of Attorney,  dated February 1, 2000, relating to
               GS Advisors II, L.L.C.

Exhibit 99.14  Power of Attorney,  dated November 5, 2000, relating to
               GS Capital  Partners II (Germany) Civil Law Partnership
               (with limitation of liability)

Exhibit 99.15  Power of Attorney, dated October 7, 1999 relating to GS
               Capital  Partners  III  Germany  Civil Law  Partnership
               (with limitation of liability)

Exhibit 99.16  Power of Attorney,  dated March 28,  2000,  relating to
               Goldman, Sachs & Co. oHG.

Exhibit 99.17  Power of Attorney, dated December 16, 1999, relating to
               Stone Street Fund 1998, L.P.

Exhibit 99.18  Power of Attorney, dated December 16, 1999, relating to
               Bridge Street Fund 1998, L.P.

Exhibit 99.19  Power of Attorney, dated December 16, 1999, relating to
               Stone Street 1998, L.L.C.

Exhibit 99.20  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners III, L.P.

Exhibit 99.21  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners III Offshore, L.P.

Exhibit 99.22  Power of Attorney,  dated January 21, 2000, relating to
               GS Advisors III, L.L.C.

Exhibit 99.23  Power of Attorney,  dated March 20,  2000,  relating to
               Stone Street Fund 2000, L.P.

Exhibit 99.24  Power of Attorney,  dated March 20,  2000,  relating to
               Stone Street 2000, L.L.C.

Exhibit 99.25  Power of Attorney,  dated December 6, 2000, relating to
               Bridge Street Special Opportunities Fund 2000, L.P.

Exhibit 99.26  Power of Attorney,  dated December 6, 2000, relating to
               Bridge Street Special Opportunities 2000, L.L.C.


<PAGE>


                                 SIGNATURE

          After  reasonable  inquiry  and to the best of my  knowledge  and
belief, I certify that the information set forth in this statement is true,
complete and correct.


December 11, 2000


                                              THE GOLDMAN SACHS GROUP, INC.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GOLDMAN, SACHS & CO.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GS CAPITAL PARTNERS II, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GS ADVISORS, L.L.C.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


<PAGE>


                                              GS CAPITAL PARTNERS II
                                              OFFSHORE, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GS ADVISORS II, L.L.C.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GS CAPITAL PARTNERS II
                                              (GERMANY) CIVIL LAW PARTNERSHIP
                                              (with limitation of liability)

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GS CAPITAL PARTNERS III
                                              GERMANY CIVIL LAW PARTNERSHIP
                                              (with limitation of liability)

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


<PAGE>


                                              GOLDMAN, SACHS & CO. oHG

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              STONE STREET FUND 1998, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              BRIDGE STREET FUND 1998, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              STONE STREET 1998, L.L.C.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GS CAPITAL PARTNERS III, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


<PAGE>


                                              GS CAPITAL PARTNERS III
                                              OFFSHORE, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              GS ADVISORS III, L.L.C.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              STONE STREET FUND 2000, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              STONE STREET 2000, L.L.C.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              BRIDGE STREET SPECIAL
                                              OPPORTUNITIES FUND 2000, L.P.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


<PAGE>


                                              BRIDGE STREET SPECIAL
                                              OPPORTUNITIES 2000, L.L.C.

                                              By:  /s/ Hans L. Reich
                                                 --------------------------
                                                 Name:  Hans L. Reich
                                                 Title: Attorney-in-fact


                                              Date:  December 11, 2000
                                                   ------------------------


<PAGE>


                                  EXHIBITS


Exhibit 99.1   Joint Filing  Agreement, dated as of December 11, 2000,
               among The Goldman Sachs Group, Inc.,  Goldman,  Sachs &
               Co., GS Capital Partners II, L.P., GS Advisors, L.L.C.,
               GS Capital Partners II Offshore,  L.P., GS Advisors II,
               L.L.C.,  GS Capital  Partners  II  (Germany)  Civil Law
               Partnership (with limitation of liability),  GS Capital
               Partners  III  Germany  Civil  Law  Partnership   (with
               limitation  of  liability),  Goldman,  Sachs & Co. oHG,
               Stone Street Fund 1998, L.P.,  Bridge Street Fund 1998,
               L.P.,  Stone Street 1998,  L.L.C.,  GS Capital Partners
               III, L.P., GS Capital  Partners III Offshore,  L.P., GS
               Advisors  III,  L.L.C.,  Stone Street Fund 2000,  L.P.,
               Stone  Street  2000,  L.L.C.,   Bridge  Street  Special
               Opportunities  Fund 2000,  L.P.,  Bridge Street Special
               Opportunities 2000, L.L.C.

Exhibit 99.2   Third  Amended and  Restated  Stockholders'  Agreement,
               dated  April  26,  2000,   by  and  among  Orion  Power
               Holdings,  Inc.,  GS  Capital  Partners  II,  L.P.,  GS
               Capital  Partners  III,  L.P.,  GS Capital  Partners II
               Offshore,  L.P.,  GS Capital  Partners  III,  L.P.,  GS
               Capital Partners II Offshore, L.P., GS Capital Partners
               III Offshore, Goldman, Sachs & Co. Verwaltungs GmbH, as
               nominee for GS Capital  Partners II (Germany) Civil Law
               Partnership and as nominee for GS Capital  Partners III
               Germany Civil Law Partnership,  Stone Street Fund 1998,
               L.P.,  Bridge Street Fund 1998, L.P., Stone Street Fund
               2000,   L.P.  and  Bridge   Street  Fund  2000,   L.P.,
               Constellation    Enterprises,    Inc.,    Constellation
               Operating    Services,    Inc.,    Diamond   Generating
               Corporation,    Diamond   Cayman,   Inc.,    Mitsubishi
               International  Corporation,  and Tokyo  Electric  Power
               Company International B.V.

Exhibit 99.3   Form of Warrant.

Exhibit 99.4   Underwriting  Agreement dated November 13, 2000,  among
               Orion Power  Holdings,  Inc.,  Constellation  Operating
               Services,  Inc.,  Constellation  Enterprises  Inc.  and
               Goldman,  Sachs  &  Co.,  Credit  Suisse  First  Boston
               Corporation,  Deutsche Bank  Securities  Inc.,  Merrill
               Lynch,  Pierce,  Fenner & Smith Incorporated and Morgan
               Stanley & Co.  Incorporated as the  representatives  of
               the Underwriters named in Schedule I thereto.

Exhibit 99.5   Lock-Up  Agreement  dated  November 17, 2000,  among GS
               Capital  Partners  III,  L.P, GS Capital  Partners  II,
               L.P.,  GS  Capital  Partners  III  Offshore,  L.P.,  GS
               Capital Partners II Offshore,  L.P.,  Goldman,  Sachs &
               Co.   Verwaltungs,   Gmbh,   Goldman,   Sachs   &   Co.
               Verwaltungs, Gmbh, Stone Street Fund 1998, L.P., Bridge
               Street Fund 1998,  L.P.,  Stone Street Fund 2000, L.P.,
               Bridge Street Special Opportunities Fund 2000, L.P.

Exhibit 99.6   Agreement  dated  November 13, 2000, by and among Orion
               Power Holdings,  Inc., GS Capital Partners II, L.P., GS
               Capital Partners II Offshore,  L.P.,  Goldman,  Sachs &
               Co.   Verwaltungs  GmbH,  as  nominee  for  GS  Capital
               Partners II  (Germany)  Civil Law  Partnership,  and as
               nominee for GS Capital  Partners III Germany  Civil Law
               Partnership,  GS Capital Partners III, L.P., GS Capital
               Partners III Offshore,  L.P.,  Bridge Street Fund 1998,
               L.P., Bridge Street Special  Opportunities  2000, L.P.,
               Stone  Street Fund 1998,  L.P.,  and Stone  Street Fund
               2000, L.P.

Exhibit 99.7   Amended and  Restated  Registration  Rights  Agreement,
               dated  April  26,  2000,   by  and  among  Orion  Power
               Holdings,  Inc., Goldman, Sachs & Co. Verwaltungs GmbH,
               as nominee for GS Capital  Partners II (Germany)  Civil
               Law Partnership, and as nominee for GS Capital Partners
               III Germany  Civil Law  Partnership,  Stone Street Fund
               1998, L.P., Bridge Street Fund 1998, L.P., Stone Street
               Fund   2000,    L.P.,   and   Bridge   Street   Special
               Opportunities  2000, L.P.,  Constellation  Enterprises,
               Inc.,  Constellation Operating Services,  Inc., Diamond
               Generating    Corporation,    Diamond   Cayman,   Inc.,
               Mitsubishi International Corporation and Tokyo Electric
               Power Company International B.V.

Exhibit 99.8   Power of Attorney,  dated December 8, 2000, relating to
               The Goldman Sachs Group, Inc.

Exhibit 99.9   Power of Attorney,  dated December 8, 2000, relating to
               Goldman Sachs & Co.

Exhibit 99.10  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners II, L.P.

Exhibit 99.11  Power of Attorney,  dated February 1, 2000, relating to
               GS Advisors, L.L.C.

Exhibit 99.12  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners II Offshore, L.P.

Exhibit 99.13  Power of Attorney,  dated February 1, 2000, relating to
               GS Advisors II, L.L.C.

Exhibit 99.14  Power of Attorney,  dated November 5, 2000, relating to
               GS Capital  Partners II (Germany) Civil Law Partnership
               (with limitation of liability)

Exhibit 99.15  Power of Attorney, dated October 7, 1999 relating to GS
               Capital  Partners  III  Germany  Civil Law  Partnership
               (with limitation of liability)

Exhibit 99.16  Power of Attorney,  dated March 28,  2000,  relating to
               Goldman, Sachs & Co. oHG.

Exhibit 99.17  Power of Attorney, dated December 16, 1999, relating to
               Stone Street Fund 1998, L.P.

Exhibit 99.18  Power of Attorney, dated December 16, 1999, relating to
               Bridge Street Fund 1998, L.P.

Exhibit 99.19  Power of Attorney, dated December 16, 1999, relating to
               Stone Street 1998, L.L.C.

Exhibit 99.20  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners III, L.P.

Exhibit 99.21  Power of Attorney,  dated January 31, 2000, relating to
               GS Capital Partners III Offshore, L.P.

Exhibit 99.22  Power of Attorney,  dated January 21, 2000, relating to
               GS Advisors III, L.L.C.

Exhibit 99.23  Power of Attorney,  dated March 20,  2000,  relating to
               Stone Street Fund 2000, L.P.

Exhibit 99.24  Power of Attorney,  dated March 20,  2000,  relating to
               Stone Street 2000, L.L.C.

Exhibit 99.25  Power of Attorney,  dated December 6, 2000, relating to
               Bridge Street Special Opportunities Fund 2000, L.P.

Exhibit 99.26  Power of Attorney,  dated December 6, 2000, relating to
               Bridge Street Special Opportunities 2000, L.L.C.


<PAGE>
                                                SCHEDULE I
                                                ----------

 <TABLE>
              The name of each director of The Goldman Sachs Group, Inc. is set forth below.

              The business address of each person listed below except  John L. Thornton,  Sir John Browne,
         James A. Johnson, John H. Bryan and Ruth J. Simmons is 85 Broad Street, New York, NY  10004.  The
         business address of John L. Thornton is 133 Fleet Street, London EC4A 2BB, England.  The business
         address of Sir John Browne is  BP Amoco plc,  Brittanic House,  1 Finsbury Circus,  London  EC2M,
         England.  The business address of  James A. Johnson  is  Fannie Mae,  3900 Wisconsin  Avenue  NW,
         Washington, D.C.  20016.  The business address of  John H. Bryan  is  Three First National Plaza,
         Chicago,  IL  60602-4260.  The business address of  Ruth J. Simmons  is  Office of the President,
         Smith College, College  Hall  Room 20,  Northhampton, MA  01063.

              Each person is a citizen of the United States of America except for Sir John Browne,  who is
         a citizen of the  United Kingdom.  The present principal occupation or  employment of each of the
         listed persons is set forth below.

         <CAPTION>
         Name                    Present Principal Occupation
         -------------------------------------------------------------------------------------------------
         <S>                     <C>
         Henry M. Paulson, Jr.   Chairman and Chief Executive Officer of  The Goldman Sachs Group, Inc.

         Robert J. Hurst         Vice Chairman of The Goldman Sachs Group, Inc.

         John A. Thain           President and Co-Chief Operating Officer of The Goldman Sachs Group, Inc.

         John L. Thornton        President and Co-Chief Operating Officer of The Goldman Sachs Group, Inc.

         Sir John Browne         Group Chief Executive of BP Amoco plc

         James A. Johnson        Chairman of the Executive Committee of the Board of Fannie Mae

         John H. Bryan           Chairman and Chief Executive Officer of Sara Lee Corporation

         Ruth J. Simmons         President of Smith College

         John L. Weinberg        Senior Chairman of The Goldman Sachs Group, Inc.
</TABLE>


                                           Page xx of xx pages
<PAGE>

                              SCHEDULE II-A-i
                              ---------------

          The name,  position  and  present  principal  occupation  of each
executive  officer of GS Advisors,  L.L.C.,  the sole general partner of GS
Capital  Partners  II,  L.P.,  the name,  position  and  present  principal
occupation of each executive  officer of GS Advisors II,  L.L.C.,  the sole
general  partner of GS Capital  Partners II  Offshore,  L.P.  and the name,
position and present  principal  occupation of each executive officer of GS
Advisors III, L.L.C.,  the sole general partner of GS Capital Partners III,
L.P. and GS Capital Partners III Offshore, L.P., are set forth below.

          The business address for all the executive  officers listed below
except  Gene T.  Sykes,  Richard S.  Sharp,  Barry S.  Volpert,  Antoine L.
Schwartz,  Hughes B. Lepic,  Randall A.  Blumenthal,  Syaru  (Shirley) Lin,
Stephen S. Trevor,  Xiang-Dong Yang, Peter Schiefer,  Atul Kapur, Michel A.
Plantevin,  Mary Nee and Ulrika Werdelin is 85 Broad Street,  New York, New
York 10004.  The business  address of Richard S. Sharp,  Barry S.  Volpert,
Antoine L. Schwartz,  Hughes B. Lepic,  Stephen S. Trevor,  Peter Schiefer,
Atul Kapur,  Michel A.  Plantevin and Ulrika  Werdelin is 133 Fleet Street,
London EC4A 2BB,  England.  The business  address of Syaru  (Shirley)  Lin,
Xiang-Dong  Yang and Mary Nee is Cheung Kong Center,  68th Floor,  2 Queens
Road, Central, Hong Kong. The business address of Gene T. Sykes and Randall
A. Blumenthal is 2765 Sand Hill Road, Menlo Park, CA 94025.

          All executive  officers  listed below are United States  citizens
except Richard S. Sharp, Sanjeev K. Mehra, Antoine L. Schwartz,  Patrick E.
Mulvihill,   Hughes  B.  Lepic,  Peter  Schiefer,  Atul  Kapur,  Michel  A.
Plantevin, and Ulrika Werdelin. Richard S. Sharp is a citizen of the United
Kingdom. Sanjeev K. Mehra is a citizen of India. Atul Kapur is a citizen of
Singapore. Antoine L. Schwartz, Hughes B. Lepic and Michel A. Plantevin are
citizens of France.  Patrick E.  Mulvihill  is a citizen of Ireland.  Peter
Schiefer is a citizen of Germany. Ulrika Werdelin is a citizen of Sweden.

<TABLE>
<CAPTION>
 Name                                    Position                               Present Principal Occupation
 -----------------------------------------------------------------------------------------------------------

 <S>                                     <C>                                    <C>
 Richard A. Friedman                     President                              Managing Director of Goldman, Sachs & Co.

 Joseph H. Gleberman                     Vice President                         Managing Director of Goldman, Sachs & Co

 Terence M. O'Toole                      Vice President                         Managing Director of Goldman, Sachs & Co.

 Gene T. Sykes                           Vice President                         Managing Director of Goldman, Sachs & Co.

 David A. Viniar                         Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 Henry Cornell                           Vice President                         Managing Director of Goldman, Sachs & Co.

 Richard S. Sharp                        Vice President                         Managing Director of Goldman Sachs International

 Esta E. Stecher                         Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Barry S. Volpert                        Vice President                         Managing Director of Goldman Sachs International

 Sanjeev K. Mehra                        Vice President                         Managing Director of Goldman, Sachs & Co.

 Muneer A. Satter                        Vice President                         Managing Director of Goldman, Sachs & Co.

 Antoine L. Schwartz                     Vice President                         Managing Director of Goldman Sachs International

 Steven M. Bunson                        Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Elizabeth C. Fascitelli                 Treasurer                              Managing Director of Goldman, Sachs & Co.

 Patrick E. Mulvihill                    Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 David J. Greenwald                      Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Dan H. Jester                           Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 Hughes B. Lepic                         Vice President                         Managing Director of Goldman Sachs International

 Russell E. Makowsky                     Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Sarah G. Smith                          Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 Randall A. Blumenthal                   Vice President                         Managing Director of Goldman, Sachs & Co.

 Syaru (Shirley) Lin                     Vice President                         Managing Director of Goldman Sachs (Asia) L.L.C.

 Douglas F. Londal                       Vice President                         Managing Director of Goldman, Sachs & Co.

 Stephen S. Trevor                       Vice President                         Managing Director of Goldman Sachs International

 Xiang-Dong Yang                         Vice President                         Managing Director of Goldman Sachs (Asia) L.L.C.

 Peter Schiefer                          Vice President                         Vice President of Goldman Sachs International

 Abraham Bleiberg                        Vice President                         Vice President of Goldman, Sachs & Co.

 Joseph P. DiSabato                      Vice President                         Vice President of Goldman, Sachs & Co.

 Robert R. Gheewalla                     Vice President                         Vice President of Goldman, Sachs & Co.

 Ronald H. Jacobe                        Vice President                         Vice President of Goldman, Sachs & Co.

 Atul Kapur                              Vice President                         Vice President of Goldman Sachs International

 Michel A. Plantevin                     Vice President                         Vice President of Goldman Sachs International

 John E. Bowman                          Vice President                         Vice President of Goldman, Sachs & Co.

 Katherine B. Enquist                    Vice President/Secretary               Vice President of Goldman, Sachs & Co.

 James B. McHugh                         Assistant Secretary                    Vice President of Goldman, Sachs & Co.

 Mary Nee                                Vice President                         Vice President of Goldman Sachs (Asia) L.L.C.

 Katherine L. Nissenbaum                 Vice President/Assistant Secretary     Vice President of Goldman, Sachs & Co.

 Ulrika Werdelin                         Vice President                         Vice President of Goldman Sachs International
</TABLE>


                                           Page xx of xx pages

<PAGE>

                                          SCHEDULE II-A-ii
                                          ----------------

<TABLE>
     The name and  principal occupation of each member of the  Principal Investment Area Investment Committee of
Goldman, Sachs & Co., which exercises the authority of Goldman, Sachs & Co. in managing GS Advisors, L.L.C.,  GS
Advisors II, L.L.C. and GS Advisors III, L.L.C., are set forth below.

     The  business  address for  each member  listed  below  except  Gene T. Sykes,  Richard S. Sharp,  Barry S.
Volpert,  Scott B. Kapnick and Antoine L. Schwartz is  85 Broad Street, New York, New York  10004.  The business
address of  Gene T. Sykes is  2765 Sand Hill Road,  Menlo Park,  CA  94025.  The business  address of Richard S.
Sharp, Barry S. Volpert, Scott B. Kapnick and Antoine L. Schwartz is 133 Fleet Street, London EC4A 2BB, England.

     All  members listed  below except  Richard S. Sharp,  Sanjeev K. Mehra and  Antoine L. Schwartz are  United
States citizens.  Richard S. Sharp is a citizen of the  United Kingdom,  Sanjeev K. Mehra is a citizen of  India
and Antoine L. Schwartz is a citizen of France.

<CAPTION>
Name                                    Present Principal Occupation
------------------------------------------------------------------------------------------------------------

<S>                                     <C>
Peter M. Sacerdote                      Advisory Director of Goldman, Sachs & Co.

Richard A. Friedman                     Managing Director of Goldman, Sachs & Co.

Joseph H. Gleberman                     Managing Director of Goldman, Sachs & Co.

Robin Neustein                          Managing Director of Goldman, Sachs & Co.

Terence M. O'Toole                      Managing Director of Goldman, Sachs & Co.

Gene T. Sykes                           Managing Director of Goldman, Sachs & Co.

Henry Cornell                           Managing Director of Goldman, Sachs & Co.

Robert V. Delaney                       Managing Director of Goldman, Sachs & Co.

Richard S. Sharp                        Managing Director of Goldman Sachs International

Barry S. Volpert                        Managing Director of Goldman Sachs International

Sanjeev K. Mehra                        Managing Director of Goldman, Sachs & Co.

Muneer A. Satter                        Managing Director of Goldman, Sachs & Co.

Scott B. Kapnick                        Managing Director of Goldman Sachs International

Peter G. Sachs                          Senior Director of The Goldman Sachs Group, Inc.

Antoine L. Schwartz                     Managing Director of Goldman Sachs International
</TABLE>


                                        Page xx of xx pages
<PAGE>

                                           SCHEDULE II-B-i
                                           ---------------

<TABLE>
     The name,  position and present  principal occupation of each executive officer of  Stone Street 1998, L.L.C.,
the sole general  partner of  Stone Street Fund 1998, L.P. and the  managing general partner of  Bridge Street Fund
1998, L.P., and the name, position and present principal occupation of each executive officer of Stone Street 2000,
L.L.C., the sole general partner of Stone Street Fund 2000, L.P., are set forth below.

         The  business address for all the executive officers listed below except Gene T. Sykes,  Richard S. Sharp,
Barry S. Volpert,  Antoine L. Schwartz,  Hughes B. Lepic,  Randall A. Blumenthal,  Syaru (Shirley) Lin,  Stephen S.
Trevor,  Xiang-Dong Yang, Peter Schiefer,  Atul Kapur, Michel A. Plantevin,  Mary Nee  and  Ulrika Werdelin is  85
Broad Street,  New York,  New York  10004.  The business address of  Richard S. Sharp, Barry S. Volpert, Antoine L.
Schwartz, Hughes B. Lepic, Stephen S. Trevor, Peter Schiefer, Atul Kapur,  Michel A. Plantevin and Ulrika Werdelin
is 133 Fleet Street, London EC4A 2BB, England.  The business address of  Syaru (Shirley) Lin,  Xiang-Dong Yang  and
Mary Nee is  Cheung Kong Center,  68th Floor,  2 Queens Road,  Central, Hong Kong.  The business address of Gene T.
Sykes and Randall A. Blumenthal is 2765 Sand Hill Road, Menlo Park, CA  94025.

         All executive officers listed below are United States citizens except  Richard S. Sharp, Sanjeev K. Mehra,
Antoine L. Schwartz,  Patrick E. Mulvihill,  Hughes B. Lepic,  Xiang-Dong Yang,  Peter Schiefer,  Abraham Bleiberg,
Atul Kapur,  Michel A. Plantevin,  and  Ulrika Werdelin.  Richard S. Sharp  is a  citizen of  the  United Kingdom.
Sanjeev K. Mehra  and  Atul Kapur  are  citizens of  India.  Antoine L. Schwartz,  Hughes B. Lepic  and  Michel A.
Plantevin are  citizens of France.  Patrick E. Mulvihill is a citizen of Ireland.  Xiang-Dong Yang is a  citizen of
the  Peoples' Republic of China.  Peter Schiefer is a citizen of Germany.  Abraham Bleiberg is a citizen of Mexico.
Ulrika Werdelin is a citizen of Sweden.

<CAPTION>
Name                                    Position                                Present Principal Occupation
------------------------------------------------------------------------------------------------------------
 <S>                                     <C>                                    <C>
 Peter M. Sacerdote                      Chairman/President                     Advisory Director of Goldman, Sachs & Co.

 Peter G. Sachs                          Vice President                         Senior Director of The Goldman Sachs Group, Inc.

 Richard A. Friedman                     Vice President                         Managing Director of Goldman, Sachs & Co.

 Joseph H. Gleberman                     Vice President                         Managing Director of Goldman, Sachs & Co

 Terence M. O'Toole                      Vice President                         Managing Director of Goldman, Sachs & Co.

 Gene T. Sykes                           Vice President                         Managing Director of Goldman, Sachs & Co.

 David A. Viniar                         Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 Henry Cornell                           Vice President                         Managing Director of Goldman, Sachs & Co.

 Richard S. Sharp                        Vice President                         Managing Director of Goldman Sachs International

 Esta E. Stecher                         Vice President/Assistant Secretary     Managing Director of Goldman, Sachs & Co.

 Barry S. Volpert                        Vice President                         Managing Director of Goldman Sachs International

 Sanjeev K. Mehra                        Vice President/Treasurer               Managing Director of Goldman, Sachs & Co.

 Muneer A. Satter                        Vice President                         Managing Director of Goldman, Sachs & Co.

 Antoine L. Schwartz                     Vice President                         Managing Director of Goldman Sachs International

 Steven M. Bunson                        Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Elizabeth C. Fascitelli                 Vice President                         Managing Director of Goldman, Sachs & Co.

 Patrick E. Mulvihill                    Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 David J. Greenwald                      Vice President/Assistant Secretary     Managing Director of Goldman, Sachs & Co.

 Hughes B. Lepic                         Vice President                         Managing Director of Goldman Sachs International

 Russell E. Makowsky                     Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Sarah G. Smith                          Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 Randall A. Blumenthal                   Vice President                         Managing Director of Goldman, Sachs & Co.

 Syaru (Shirley) Lin                     Vice President                         Managing Director of Goldman Sachs (Asia) L.L.C.

 Douglas F. Londal                       Vice President                         Managing Director of Goldman, Sachs & Co.

 Stephen S. Trevor                       Vice President                         Managing Director of Goldman Sachs International

 Xiang-Dong Yang                         Vice President                         Managing Director of Goldman Sachs (Asia) L.L.C.

 Peter Schiefer                          Vice President                         Vice President of Goldman Sachs International

 Abraham Bleiberg                        Vice President                         Vice President of Goldman, Sachs & Co.

 Joseph P. DiSabato                      Vice President                         Vice President of Goldman, Sachs & Co.

 Robert R. Gheewalla                     Vice President                         Vice President of Goldman, Sachs & Co.

 Ronald H. Jacobe                        Vice President                         Vice President of Goldman, Sachs & Co.

 Atul Kapur                              Vice President                         Vice President of Goldman Sachs International

 Michel A. Plantevin                     Vice President                         Vice President of Goldman Sachs International

 John E. Bowman                          Vice President                         Vice President of Goldman, Sachs & Co.

 Katherine B. Enquist                    Vice President/Secretary               Vice President of Goldman, Sachs & Co.

 James B. McHugh                         Assistant Secretary                    Vice President of Goldman, Sachs & Co.

 Mary Nee                                Vice President                         Vice President of Goldman Sachs (Asia) L.L.C.

 Katherine L. Nissenbaum                 Vice President/Assistant Secretary     Vice President of Goldman, Sachs & Co.

 Richard J. Stingi                       Vice President                         Vice President of Goldman, Sachs & Co.

 Ulrika Werdelin                         Vice President                         Vice President of Goldman Sachs International
</TABLE>


                                        Page xx of xx pages
<PAGE>

                                          SCHEDULE II-B-ii
                                          ----------------

<TABLE>
     The name and  principal occupation of each member of the  Stone  Street  Investment  Committee of  Goldman,
Sachs & Co.,  which exercises the authority of  Goldman, Sachs & Co. in managing  Stone Street 1998, L.L.C.  and
Stone Street 2000, L.L.C., are set forth below.

     The business address for each member listed below is 85 Broad Street, New York, New York  10004.

     All members listed below except Sanjeev K. Mehra are United States citizens.  Sanjeev K. Mehra is a citizen
of India.

<CAPTION>
Name                                    Present Principal Occupation
------------------------------------------------------------------------------------------------------------

<S>                                     <C>
Peter M. Sacerdote                      Advisory Director of Goldman, Sachs & Co.

Peter G. Sachs                          Senior Director of The Goldman Sachs Group, Inc.

Richard A. Friedman                     Managing Director of Goldman, Sachs & Co.

Joseph H. Gleberman                     Managing Director of Goldman, Sachs & Co.

Terence M. O'Toole                      Managing Director of Goldman, Sachs & Co.

Sanjeev K. Mehra                        Managing Director of Goldman, Sachs & Co.
</TABLE>


                                        Page xx of xx pages
<PAGE>

                                            SCHEDULE II-C-i
                                            ---------------

<TABLE>
     The name,  position and present  principal  occupation of  each executive  officer of  Bridge  Street  Special
Opportunities 2000, L.L.C.,  the sole general partner of  Bridge Street Special Opportunities Fund 2000, L.P.,  are
set forth below.

         The  business address for all the executive officers listed below except Gene T. Sykes,  Richard S. Sharp,
Barry S. Volpert,  Antoine L. Schwartz,  Hughes B. Lepic,  Randall A. Blumenthal,  Syaru (Shirley) Lin,  Stephen S.
Trevor,  Xiang-Dong Yang, Peter Schiefer,  Atul Kapur, Michel A. Plantevin,  Mary Nee  and  Ulrika Werdelin is  85
Broad Street,  New York,  New York  10004.  The business address of  Richard S. Sharp, Barry S. Volpert, Antoine L.
Schwartz, Hughes B. Lepic, Stephen S. Trevor, Peter Schiefer, Atul Kapur,  Michel A. Plantevin and Ulrika Werdelin
is 133 Fleet Street, London EC4A 2BB, England.  The business address of  Syaru (Shirley) Lin,  Xiang-Dong Yang  and
Mary Nee is  Cheung Kong Center,  68th Floor,  2 Queens Road,  Central, Hong Kong.  The business address of Gene T.
Sykes and Randall A. Blumenthal is 2765 Sand Hill Road, Menlo Park, CA  94025.

         All executive officers listed below are United States citizens except  Richard S. Sharp, Sanjeev K. Mehra,
Antoine L. Schwartz,  Patrick E. Mulvihill,  Hughes B. Lepic,  Xiang-Dong Yang,  Peter Schiefer,  Abraham Bleiberg,
Atul Kapur,  Michel A. Plantevin,  and  Ulrika Werdelin.  Richard S. Sharp  is a  citizen of  the  United Kingdom.
Sanjeev K. Mehra  and  Atul Kapur  are  citizens of  India.  Antoine L. Schwartz,  Hughes B. Lepic  and  Michel A.
Plantevin are  citizens of France.  Patrick E. Mulvihill is a citizen of Ireland.  Xiang-Dong Yang is a  citizen of
the  Peoples' Republic of China.  Peter Schiefer is a citizen of Germany.  Abraham Bleiberg is a citizen of Mexico.
Ulrika Werdelin is a citizen of Sweden.

<CAPTION>
Name                                    Position                                Present Principal Occupation
------------------------------------------------------------------------------------------------------------
 <S>                                     <C>                                    <C>
 John A. Thain                           Chairman/President                     Managing Director of Goldman, Sachs & Co.

 Peter M. Sacerdote                      Vice President                         Advisory Director of Goldman, Sachs & Co.

 Peter G. Sachs                          Vice President                         Senior Director of The Goldman Sachs Group, Inc.

 Daniel M. Neidich                       Vice President                         Managing Director of Goldman, Sachs & Co.

 Richard A. Friedman                     Vice President                         Managing Director of Goldman, Sachs & Co.

 Joseph H. Gleberman                     Vice President                         Managing Director of Goldman, Sachs & Co.

 Robin Neustein                          Vice President                         Managing Director of Goldman, Sachs & Co.

 Terence M. O'Toole                      Vice President                         Managing Director of Goldman, Sachs & Co.

 Gene T. Sykes                           Vice President                         Managing Director of Goldman, Sachs & Co.

 David A. Viniar                         Vice President/Treasurer               Managing Director of Goldman, Sachs & Co.

 Henry Cornell                           Vice President                         Managing Director of Goldman, Sachs & Co.

 Steven T. Mnuchin                       Vice President                         Managing Director of Goldman, Sachs & Co.

 Richard S. Sharp                        Vice President                         Managing Director of Goldman Sachs International

 Esta E. Stecher                         Vice President/Assistant Secretary     Managing Director of Goldman, Sachs & Co.

 Barry S. Volpert                        Vice President                         Managing Director of Goldman Sachs International

 Sanjeev K. Mehra                        Vice President                         Managing Director of Goldman, Sachs & Co.

 Muneer A. Satter                        Vice President                         Managing Director of Goldman, Sachs & Co.

 Antoine L. Schwartz                     Vice President                         Managing Director of Goldman Sachs International

 Steven M. Bunson                        Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Elizabeth C. Fascitelli                 Vice President                         Managing Director of Goldman, Sachs & Co.

 Patrick E. Mulvihill                    Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 David J. Greenwald                      Vice President/Assistant Secretary     Managing Director of Goldman, Sachs & Co.

 Hughes B. Lepic                         Vice President                         Managing Director of Goldman Sachs International

 Russell E. Makowsky                     Assistant Secretary                    Managing Director of Goldman, Sachs & Co.

 Sarah G. Smith                          Assistant Treasurer                    Managing Director of Goldman, Sachs & Co.

 Randall A. Blumenthal                   Vice President                         Managing Director of Goldman, Sachs & Co.

 Syaru (Shirley) Lin                     Vice President                         Managing Director of Goldman Sachs (Asia) L.L.C.

 Douglas F. Londal                       Vice President                         Managing Director of Goldman, Sachs & Co.

 Stephen S. Trevor                       Vice President                         Managing Director of Goldman Sachs International

 Xiang-Dong Yang                         Vice President                         Managing Director of Goldman Sachs (Asia) L.L.C.

 Peter Schiefer                          Vice President                         Vice President of Goldman Sachs International

 Abraham Bleiberg                        Vice President                         Vice President of Goldman, Sachs & Co.

 Joseph P. DiSabato                      Vice President                         Vice President of Goldman, Sachs & Co.

 Robert R. Gheewalla                     Vice President                         Vice President of Goldman, Sachs & Co.

 Ronald H. Jacobe                        Vice President                         Vice President of Goldman, Sachs & Co.

 Atul Kapur                              Vice President                         Vice President of Goldman Sachs International

 Michel A. Plantevin                     Vice President                         Vice President of Goldman Sachs International

 John E. Bowman                          Vice President                         Vice President of Goldman, Sachs & Co.

 Katherine B. Enquist                    Vice President/Secretary               Vice President of Goldman, Sachs & Co.

 James B. McHugh                         Assistant Secretary                    Vice President of Goldman, Sachs & Co.

 Mary Nee                                Vice President                         Vice President of Goldman Sachs (Asia) L.L.C.

 Katherine L. Nissenbaum                 Vice President/Assistant Secretary     Vice President of Goldman, Sachs & Co.

 Richard J. Stingi                       Vice President                         Vice President of Goldman, Sachs & Co.

 Ulrika Werdelin                         Vice President                         Vice President of Goldman Sachs International
</TABLE>


                                        Page xx of xx pages

<PAGE>

                                          SCHEDULE II-C-ii
                                          ----------------

<TABLE>
     The name and  principal occupation of each  member of the  Bridge  Street Special  Opportunities Investment
Committee of  Goldman, Sachs & Co.,  which  exercises the authority of  Goldman, Sachs & Co. in managing  Bridge
Street Special Opportunities 2000, L.L.C., are set forth below.

     The business address for each member listed below is 85 Broad Street, New York, New York  10004.

     All members listed below are United States citizens.

<CAPTION>
 Name                                   Present Principal Occupation
------------------------------------------------------------------------------------------------------------

 <S>                                    <C>
 John A. Thain                          Managing Director of Goldman, Sachs & Co.

 Peter M. Sacerdote                     Advisory Director of Goldman, Sachs & Co.

 Daniel M. Neidich                      Managing Director of Goldman, Sachs & Co.

 Richard A. Friedman                    Managing Director of Goldman, Sachs & Co.

 Robin Neustein                         Managing Director of Goldman, Sachs & Co.

 David A. Viniar                        Managing Director of Goldman, Sachs & Co.

 Steven T. Mnuchin                      Managing Director of Goldman, Sachs & Co.
</TABLE>


                                        Page xx of xx pages
<PAGE>

                                              SCHEDULE II-D
                                              -------------

<TABLE>
     The name, position and  present principal occupation of each  executive officer and  director of  Goldman,
Sachs & Co. Finanz GmbH  which is the sole managing general partner of  Goldman, Sachs & Co. oHG  are set forth
below.

     The  business address for each of the  executive officers and  directors listed  below is MesseTurm, 60308
Frankfurt am Main, Germany.

     Of the directors and executive officers listed below,  Stefan J. Jentzsch, Timothy C. Plaut and  Alexander
C. Dibelius are citizens of Germany,  Daniel W. Stanton is a citizen of the United States and  Jonathan S. King
is a citizen of the United Kingdom.

<CAPTION>
Name                                    Position                               Present Principal Occupation
-----------------------------------------------------------------------------------------------------------

<S>                                     <C>                                     <C>
Stefan J. Jentzsch                      Managing Director                       Managing Director of Goldman, Sachs & Co. oHG

Jonathan S. King                        Managing Director                       Executive Director of Goldman, Sachs & Co. oHG

Timothy C. Plaut                        Managing Director                       Managing Director of Goldman, Sachs & Co. oHG

Daniel W. Stanton                       Managing Director                       Managing Director of Goldman, Sachs & Co. oHG

Alexander C. Dibelius                   Managing Director                       Managing Director of Goldman, Sachs & Co. oHG
</TABLE>


                                           Page xx of xx pages
<PAGE>

<PAGE>

                                  SCHEDULE III
                                  ------------



     On April 6, 2000,  in connection with an industry-wide investigation by the
Securities  and  Exchange  Commission  (the  "SEC")  relating  to the pricing of
government securities in advance refunding  transactions,  Goldman,  Sachs & Co.
(the "Firm") joined in a global  settlement  resolving the SEC  investigation as
well as a related  qui tam lawsuit  purportedly  brought on behalf of the United
States entitled  United States ex rel. Lissack v. Goldman,  Sachs & Co., et al.,
95 Civ. 1363 (S.D.N.Y.)(BSJ).  Pursuant to the settlement,  without admitting or
denying  the   findings,   the  Firm   consented  to  the  issuance  of  an  SEC
administrative  order (SEA Rel. No. 42640) which, among other things, found that
the Firm had violated Sections 17(a)(2) and (3) of the Securities Act of 1933 in
connection  with such  pricing of  government  securities,  required the Firm to
cease and desist from  violating such  provisions,  and ordered the Firm to make
payments totaling  approximately  $5.1 Million to the U.S. Treasury and $104,000
to two  municipalities.  Under the global  settlement,  the qui tam  lawsuit was
dismissed  with  prejudice,  and the  Internal  Revenue  Service  agreed  not to
challenge the tax-free nature of the refundings by virtue of the pricing of such
securities.

<PAGE>

<TABLE>
                                  SCHEDULE IV
                                  -------------
                           Orion Power Holdings, Inc.
                               Cusip No. 686286105

<CAPTION>
      Purchases     Sales        Price    Trade Date  Settlement Date
--------------------------------------------------------------------------------
       <S>         <C>          <C>        <C>          <C>
        2,000                   19.5625    29-Nov-00    4-Dec-00
                    2,000       18.8750    30-Nov-00    5-Dec-00
                      500       19.7500    29-Nov-00    4-Dec-00
          500                   18.8750    30-Nov-00    5-Dec-00
       47,900                   21.7500    14-Nov-00   17-Nov-00
        2,100                   21.6250    14-Nov-00   17-Nov-00
                   50,000       21.3878    14-Nov-00   17-Nov-00
        1,000                   16.6000    22-Nov-00   28-Nov-00
          750                   21.5000    14-Nov-00   17-Nov-00
                      750       21.4375    14-Nov-00   17-Nov-00
                   25,000       21.2500    14-Nov-00   17-Nov-00
       25,000                   21.2500    14-Nov-00   17-Nov-00
                      400       16.5000    22-Nov-00   28-Nov-00
                   18,100       16.3750    22-Nov-00   28-Nov-00
       16,200                   16.8750    22-Nov-00   28-Nov-00
        2,300                   16.7500    22-Nov-00   28-Nov-00

</TABLE>
<PAGE>


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