Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
JONES CHARLES E
  2. Issuer Name and Ticker or Trading Symbol
FIRSTENERGY CORP [FE]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Pres. & Chief Exec. Officer
(Last)
(First)
(Middle)
76 SOUTH MAIN STREET
3. Date of Earliest Transaction (Month/Day/Year)
03/01/2016
(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 03/01/2016   M   36,311 (1) A (2) 96,651.718 (3) D  
Common Stock 03/01/2016   F   17,321 (1) D $ 33.535 79,330.718 (3) D  
Common Stock               18,715.44 (4) I By Savings Plan
Common Stock               8,755.971 (4) I By Wife's Savings Plan

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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
RSUP18 (2) 03/01/2016   M     36,311 (1)   (1)   (1) Common Stock 36,311 (2) 0 D  
Phantom / Retirement (2)               (5)   (5) Common Stock 2,913.825   2,913.825 (6) D  
Phantom 3/05d Retirement (2)               (5)   (5) Common Stock 7,264.743   7,264.743 (6) D  
Stock Option (Right to Buy) $ 37.75             12/31/2015 02/25/2021 Common Stock 80,257   80,257 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
JONES CHARLES E
76 SOUTH MAIN STREET
AKRON, OH 44308
  X     Pres. & Chief Exec. Officer  

Signatures

 Jennifer L. Geyer, attorney-in-fact   03/03/2016
**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) The amount listed in Table II represents the vesting of the RSUP18 award. The award vested on March 1, 2016 and because the performance targets were achieved, the award was paid out at a performance rate of 150%. The shares coded "F" were withheld to cover income tax obligations associated with the payout.
(2) 1 for 1
(3) Balance includes shares acquired through dividend reinvestment.
(4) FE's 401(k) Plan includes a unitized fund invested in FE stock, in which the reporting person may invest, and includes dividend reinvestment and company match features. The number of shares reported as indirectly held in the 401(k) Plan in this row is an estimate of the number of shares of FE's common stock held in the unitized stock fund and allocated to the reporting person's account as of December 31, 2015.
(5) This holding reflects amounts payable upon retirement or other termination of employment under arrangements approved by the Compensation Committee.
(6) Includes stock units acquired through dividend reinvestment.

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