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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

LEIDICH GARY R 		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)
President of FENOC
(Last)          (First)          (Middle)

76 SOUTH MAIN STREET 		3. Date of Earliest Transaction (MM/DD/YYYY)

3/2/2006
(Street)

AKRON, OH 44308
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

3/3/2006 
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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                  51780.967   D    
Common Stock                  250   I   By Daughter (Anne)  
Common Stock                  868.912   I   by Savings Plan  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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)   $29.71                   3/1/2004   3/1/2013   Common Stock   10125     10125   D    
Stock Options (Right to buy)   $38.76                   3/1/2005   3/1/2014   Common Stock   33375     33375   D    
Phantom 3/05D   $1                   2/25/2005   3/1/2008   Common Stock   7814.77     7814.77   D    
RSUP1   $1                   3/1/2008   3/1/2008   Common Stock   4192.4195     4192.4195   D    
RSUP4   $1                   3/1/2009   3/1/2009   Common Stock   3606     3606   D    
Phantom 3/06D   $1   (1) 3/2/2006     A     8714.44   (2)      3/2/2006   3/2/2009   Common Stock   8714.144   (3) $48.93   8714.44   D    

Explanation of Responses:
(1)  1 for 1
(2)  4,746 shares are vested (i.e. non-forfeited) immediately. 949 shares become vested (i.e. non-forfeited) on 3/1/2009.
(3)  Due to an administrative error, the total number of shares reported for the deferral was incorrect. The total number of shares being deferred is 8,714.144, of which 7,261.753 shares are already vested and 1,452.391 will vest over the next three years.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
LEIDICH GARY R
76 SOUTH MAIN STREET
AKRON, OH 44308

President of FENOC

Signatures
David W. Whitehead, POA 3/20/2006
** 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 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).
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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