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 * Strah Steven E   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) Sr VP & President FE Utilities (Last) (First) (Middle) 76 S. MAIN ST. 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2018 (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 03/01/2018   M   18,168.608 (1) A (2) 29,898.478 (3) D   Common Stock 03/01/2018   D   5,821.985 (4) D (4) 24,076.493 (3) D   Common Stock 03/01/2018   D   12,346.623 (1) D $ 32.4825 11,729.87 (3) D   Common Stock 03/01/2018   M   36,044 (5) A (2) 47,773.87 (3) D   Common Stock 03/01/2018   F   12,716 (5) D $ 32.4825 35,057.87 (3) D   Common Stock               3,245.56 (6) I By 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

RSUC15

(7)

03/01/2018

M

18,168.608

(1)

(1)

Common Stock

18,168.608

(2)

0

D

RSUS15

(7)

03/01/2018

M

36,044

(5)

(5)

Common Stock

36,044

(2)

0

D

Phantom 3/18D

(7)

03/01/2018

A

5,821.985

(8)

(8)

Common Stock

5,821.985

(4)

12,423.117

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Strah Steven E 76 S. MAIN ST. AKRON, OH 44308			Sr VP & President FE Utilities

Signatures

Jennifer L. Geyer, attorney-in-fact		03/05/2018
**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)	Represents the vesting of the RSUC15 award. The award vested on March 1, 2018. Amounts also include dividend reinvestment.
(2)	1 for 1. The RSUS15 and RSUC15 awards were previously granted for $0.00 under the FirstEnergy Corp. 2007 Incentive Plan.
(3)	Balance includes shares acquired through dividend reinvestment.
(4)	This transaction reflects the deferral of the RSUC15 award. As a result, the reporting person is reporting the disposition of shares of common stock in exchange for an equal number of shares of phantom stock described below.
(5)	Represents the vesting of the RSUS15 award. The award vested on March 1, 2018. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment.
(6)	FE's 401(k) Savings 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 January 31, 2018.
(7)	1 for 1
(8)	This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.

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