SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* CAVALIER LYNNETTE M (Last) (First) (Middle) 76 S. MAIN ST. (Street) AKRON OH 44308 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 01/27/2004	3. Issuer Name and Ticker or Trading Symbol FIRSTENERGY CORP [ FE ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Vice President	5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	4,003.0146	I	by Savings Plan

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options(Right to buy)	03/01/2004	03/01/2010	Common Stock	6,000	$19.31	D
Stock Options (Right to buy)	11/17/2003	11/17/2005	Common Stock	6,000	$24.28	D
Stock Options(Right to buy)	11/22/2004	11/22/2010	Common Stock	5,000	$27.75	D
Stock Options (Right to buy)	05/16/2005	05/16/2011	Commom Stock	15,000	$29.5	D
Stock Options(Right to buy)	03/01/2004(6)	03/01/2013	Common Stock	17,500	$29.71	D
Stock Options (Right to buy)	04/01/2003(1)	04/01/2012	Common Stock	12,000	$34.45	D
Phnatom-3/01D	02/06/2004	03/01/2004	Common Stock	973.633(3)	$1(2)	D
Phantom 3/02D	02/06/2004	03/01/2005	Common Stock	331.252(4)	$1(2)	D
Phantom 3/03D	02/06/2004	03/01/2006	Common Stock	2,263,419(5)	$1(2)	D

Explanation of Responses:

1. This option vests in 25% increments per year starting on 4/1/2003

2. 1 for 1

3. Of this grant, 811.361 is vested, the remaining 162.272 is subject to forfeiture until 3/1/2004 in accordance with the Executive Compensation Plan.

4. Of this grant, 276.043 is vested, the remaining 55.209 is subject to forfeiture until 3/1/2005 in accordance with the Executive Deferred Compensation Plan.

5. Of this grant, 1,866.182 is vested, the remaining 377.237 is subject to forfeiture until 3/1/2006 in accordance with the Executive Deferred Compensation Plan.

6. This option vests in 25% increments starting one year from the date of grant (3/1/2004).

	David W. Whitehead	02/06/2004
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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