SEC FORM 3

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^*

NAVIN THOMAS C

(Last)

(First)

(Middle)

C/O FIRSTENERGY CORP

76 SOUTH MAIN STREET

(Street)

AKRON

44308

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/18/2004

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)
	Treasurer

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	676	D
Common Stock	2,209.3231	I	By Savings Plan
Common Stock	20.933	I	By Laura Loshing Navin (wife)

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Stock Options (Right to Buy)	11/22/2004	11/22/2010	Common Stock	4,000	$27.75	D
Stock Options (Right to buy)	05/16/2005	05/16/2011	Common Stock	10,000	$29.5	D
Stock Options (Right to buy)	03/01/2004⁽¹⁾	03/01/2013	Common Stock	12,500	$29.71	D
Stock Options (Right to buy)	04/01/2003⁽²⁾	04/01/2012	Common Stock	12,000	$34.45	D
Stock Options (Right to buy)	03/01/2005⁽³⁾	03/01/2014	Common Stock	10,600	$38.76	D
Phantom 3/02D	03/01/2002	03/01/2005	Common Stock	968.297⁽⁶⁾	$1⁽⁴⁾	D
Phantom 3/03D	03/01/2003	03/01/2006	Common Stock	3,505.479⁽⁵⁾	$1⁽⁴⁾	D
Phantom / Retirement	⁽⁷⁾	⁽⁷⁾	Common Stock	1,250.609⁽⁷⁾	$1⁽⁴⁾	D

Explanation of Responses:

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

2. This option vests in 25% increments starting one year from the date of grant (4/1/2003)

3. This option vests in 25% increments starting one year from the date of the grant (3/1/2005)

4. 1 for 1

5. Of this grant, 2921.233 is vested, not forfeitable, the remaining 584.247 is subject to forfeiture until 3/1/2006 in accordance with the Executive Deferred Compensation Plan.

6. Of this grant, 806.914 is vested, not forfeitable, the remaining 161.383 is subject to forfeiture until 3/1/2005in accordance with the Executive Defered Compensation Plan.

7. This transaction reflects the extention and vesting of phantom stock to "retirement" or "other termination of employment" under arrangements approved by the Compensation Committee.

	David W. Whitehead POA	05/27/2004
	** 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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