FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * NAVIN THOMAS C   2. Issuer Name and Ticker or Trading Symbol FIRSTENERGY CORP [FE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Treasurer (Last) (First) (Middle) 76 SOUTH MAIN STREET 3. Date of Earliest Transaction (Month/Day/Year) 02/25/2005 (Street) AKRON, OH 44308 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/25/2005   A   1,768.456 (1) A $ 39.535 2,435.95 D   Common Stock 02/25/2005   D   1,768.456 (1) D $ 39.535 667.494 D   Common Stock               3,434.4847 I By Savings Plan Common Stock               20.933 I By Laura Loshing Navin (wife)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Options (Right to buy)

$ 27.75

11/22/2004

11/22/2010

Common Stock

4,000

4,000

D

Stock Options (Right to buy)

$ 29.5

05/16/2005

05/16/2011

Common Stock

10,000

10,000

D

Stock Options (Right to buy)

$ 29.71

03/01/2004

03/01/2013

Common Stock

12,500

12,500

D

Stock Options (Right to buy)

$ 34.45

04/01/2003

04/01/2012

Common Stock

12,000

12,000

D

Stock Options (Right to buy)

$ 38.76

03/01/2005

03/01/2014

Common Stock

10,600

10,600

D

Phantom 3/02D

$ 1

03/01/2002

03/01/2005

Common Stock

995.992

995.992

D

Phantom / Retirement

$ 1

(2)

(2)

Common Stock

1,286.384

1,286.384

D

Phantom 3/03D

$ 1

03/01/2003

03/01/2006

Common Stock

3,605.761

3,605.761

D

Phantom 3/05D

$ 1 (3)

02/25/2005

A

2,122.147 (4)

02/25/2005

03/01/2008

Common Stock

2,122.147

$ 39.535

2,122.147

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
NAVIN THOMAS C 76 SOUTH MAIN STREET AKRON, OH 44308			Treasurer

Signatures

David Whitehead, POA		02/28/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These performances shares paid out in cash, per the vesting and payout date approved by the Compensation Committee. The performance shares were not required to be reported at date of grant because the vesting is based in part on factors other than stock price.
(2)	This transaction reflects the extension and vesting of phantom stock to "retirement" or " other termination of employment" under arrangements approved by the Compensation Committee.
(3)	1 for 1
(4)	1,768.456 shares are vested (i.e. non-forfeited). 353.6912 shares become vested (i.e. non-forfeited) on 3/1/2008.

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