U.S. SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 [_] Check box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). ________________________________________________________________________________ 1. Name and Address of Reporting Person* Crooke Edward A. -------------------------------------------------------------------------------- (Last) (First) (Middle) 39 W. Lexington Street -------------------------------------------------------------------------------- (Street) Baltimore, MD 21201 -------------------------------------------------------------------------------- (City) (State) (Zip) ________________________________________________________________________________ 2. Issuer Name and Ticker or Trading Symbol Orion Power Holdings, Inc. (ORN) ________________________________________________________________________________ 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) ________________________________________________________________________________ 4. Statement for Month/Year May, 2001 ________________________________________________________________________________ 5. If Amendment, Date of Original (Month/Year) ________________________________________________________________________________ 6. Relationship of Reporting Person to Issuer (Check all applicable) [X] Director [_] 10% Owner [ ] Officer (give title below) [_] Other (specify below) ________________________________________________________________________________ 7. Individual or Joint/Group Filing (Check applicable line) [X] Form filed by one Reporting Person [_] Form filed by more than one Reporting Person ________________________________________________________________________________ ================================================================================ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned ================================================================================

==================================================================================================================================== Table I -- Non-Derivative Securities Acquired, Disposed of, | or Beneficially Owned | ==================================================================================================================================== | | | | |6. ~~| | | | |~~ 4. |5. |Owner- ~~| | | | |~~ Securities Acquired (A) or |Amount of |ship ~~| | | |~~ 3. | Disposed of (D) |Securities |Form: |7. ~~| |2. |~~ Transaction| (Instr. 3, 4 and 5) |Beneficially |Direct |Nature of |2. ~~|Transaction |~~ Code | -------------------------------| Owned at End |(D) or |Indirect | 1. ~~|Date~~Transaction | (Instr. 8) ~~| |~~ (A) ~~| |~~of Month |Indirect |Beneficial| Title of Security ~~|(Month/Day/~~Date | -----------|- Amount | or | Price |(Instr. 3 |(I) |Ownership | (Instr. 3) ~~|Year~~(mm/dd/yy) | Code | V ~~| |~~ (D) ~~| |~~and 4) |(Instr.4)| (Instr. 4)| -----------------------------------------------------------------------------------------------------------------------------------~~| | | | | | | | | | | Common Stock | 12/08/00 | S | | 400 | D | $20.5625 | | 01 | 01 |~~ -~~----------------------------------------------------------------------------------------------------------------------------------|~~ ~~| | | | | | | | | | Common Stock | 12/13/00 | P | | 400 | A | $21.625 | | 01 | 01 |~~ -----------------------------------------------------------------------------------------------------------------------------------|- ~~| | | | | | | | | |~~ Common Stock ~~| 12~~5/2731/~~00 | P | | 300 | A | $22.8125 | |~~ 01 ~~| 01 | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | | | | | Common Stock | 12/27/00 |~~ S |1,000,000 ~~| 300 |~~ D | $2227.~~8125~~35 ~~| 1~~16,500,000 |I 01(1) |(by 01Constellation |Enterprises, Inc.) -----------------------------------------------------------------------------------------------------------------------------------|- ~~| | | | | | | | | | Common Stock | | | | | | | 34,450,000 | 02 | 02 |~~ ====================================================================================================================================

* If the Form is filed by more than one Reporting Person, see Instruction 4(b)(v). Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Print or Type Responses) (Over) (Form 4-07/99) FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ================================================================================

==================================================================================================================================== Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned | (e10.~~g.,~~ puts, calls, warrants, options, convertible securities) | ==================================================================================================================================== | | | | | | | |9. ~~|10. | | | | | | | | | |Number |~~Owner-| |Number |ship ~~| | | | | | |~~of ~~|ship~~Form ~~| | |~~2. ~~| | | | | | |~~Deriv- |of ~~| | |~~Conver- ~~| | |~~ 5. ~~| |~~7. ~~| |~~ative |Deriv-| 11. ~~| |~~sion ~~| | |~~ Number of ~~| |~~Title and Amount ~~| |~~Secur- |ative |Nature| |or ~~| | |~~ Derivative |6. |of Underlying |8. |ities |Secur-| of ~~| |~~Exer- ~~| |~~4. | Securities |Date |Securities |Price |Bene- |ity: |In- ~~| |~~cise |3. |Trans-| Acquired (A) |Exercisable and |(Instr. 3 and 4) |of |ficially |Direct| direct| |Price |Trans- |action| or Disposed |Expiration Date |----------------~~---------|~~ Deriv- |Owned |(D) or| Bene- | 1. |of |action |Code | of (D) |(Month/Day/Year) ~~| |~~Amount |ative |at End |In- |ficial| Title of |Deriv- |Date |(Instr|. (Instr. 3, |-----------------| |or |Secur- |of |direct| Owner-| Derivative |ative |(Month/ |8) | 4 and 5) |Date |Expira- ~~| |~~Number |ity |Month |(I) |ship | Security |Secur- |Day/ |------| ------------ |Exer- |tion ~~| |~~of |(Instr.| (Instr. |(Instr|. (Instr|. (Instr. 3) |ity |Year) |Code| V| (A) | (D) |cisable |Date |Title |Shares |5) |4) |4) |4) | -----------------------------------------------------------------------------------------------------------------------------------~~| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $10.00 | | | | | | Immed. |11/19/08|Common Stock | 68,454.1| | 68,454.1| 02 | 02 |~~ -~~----------------------------------------------------------------------------------------------------------------------------------|~~ ~~Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $10.00 | | | | | | Immed. |12/23/08|Common Stock | 143,753.6| | 143,753.6| 02 | 02 |~~ -----------------------------------------------------------------------------------------------------------------------------------| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $10.00 | | | | | | Immed. |12/31/08|Common Stock | 404.2| | 404.2| 02 | 02 | -----------------------------------------------------------------------------------------------------------------------------------| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $10.00 | | | | | | Immed. | 6/11/09|Common Stock | 28,832.9| | 28,832.9| 02 | 02 | -----------------------------------------------------------------------------------------------------------------------------------| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $10.00 | | | | | | Immed. | 7/27/09|Common Stock |2,925,316.5| |2,925,316.5| 02 | 02 | -----------------------------------------------------------------------------------------------------------------------------------| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $10.00 | | | | | | Immed. | 9/29/09|Common Stock | 115,424| | 115,424| 02 | 02 | -----------------------------------------------------------------------------------------------------------------------------------| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $15.50 | | | | | | Immed. | 11/5/09|Common Stock | 890,286.9| | 890,286.9| 02 | 02 | -----------------------------------------------------------------------------------------------------------------------------------| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $10.00 | | | | | | Immed. | 4/24/10|Common Stock |1,752,071.8| |1,752,071.8| 02 | 02 | -----------------------------------------------------------------------------------------------------------------------------------| Warrants to | | | | | | | | | | | | | | | purchase | | | | | | | | | | | | | | | Common Stock | $15.50 | | | | | | Immed. | 4/26/10|Common Stock | 475,856| | 475,856| 02 | 02 | ====================================================================================================================================

Explanation of Responses: (1) The reporting person disclaims beneficial ownership of these securities and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of section 16 or for any other purpose. /s/ Edward A. Crooke 6-8-01 --------------------------------------------- ----------------------- **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Page 2 EDGARLink 7.0 (8/00) Ver. 3.1

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