POWER OF ATTORNEY


Know all persons by these present that the undersigned
hereby constitutes and appoints each of Rhonda S. Ferguson,
Daniel M. Dunlap, Jacqueline S. Cooper and
Edward J. Udovich, signing singly, the undersigned's true
and lawful attorney in fact to:

(1)  execute for and on behalf of the undersigned,
in the undersigned's capacity as an officer and/or
employee of FirstEnergy Corp. and/or any of its
subsidiaries and affiliates (referred to as the ?Company?),
as applicable, Forms 3, 4 and 5 in accordance with
Section 16(a) of the Securities Exchange Act of 1934,
as amended (?Section 16?) and Form 144 (?Form 144?)
pursuant to Rule 144 under the Securities Act of 1933
(?Rule 144?) and the rules thereunder;

(2)  do and perform any and all acts for and on behalf
of the undersigned that may be necessary or desirable to complete
and execute any such Forms 3, 4, 5 or 144 and file such form
with the United States Securities and Exchange Commission and
any stock exchange or similar authority; and

(3)  take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such
attorney in fact, may be of benefit to, in the best interest of,
or legally required by the undersigned; it being understood
that the documents executed by such attorney in fact on behalf
of the undersigned pursuant to this Power of Attorney
shall be in such form and shall contain such terms and
conditions as such attorney in fact may approve in such
attorney in fact's reasonable discretion.

The undersigned hereby grants to each such attorney in fact full
power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the
exercise of any of the rights and powers herein granted,
as fully to all intents and purposes as the undersigned might
or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming
all that such attorney in fact shall lawfully do or cause
to be done by virtue of this power of attorney and the
rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys in fact,
in serving in such capacity at the request of the undersigned,
are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16
or Rule 144.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3,
4, 5 and 144 with respect to the undersigned's holdings of
and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys in fact.  Additionally,
this Power of Attorney revokes any and all previous Power
of Attorney forms for this same purpose which was entered
into by the undersigned.

This Power of Attorney shall be governed by and construed
in accordance with the law of the State of Ohio, regardless
of the law that might be applied under principles of conflict
of laws.









The undersigned has caused this Power of Attorney to be
executed as of this 24th day of May, 2011.



/s/Mark T. Clark____________
Mark T. Clark



State of Ohio	)
		)  ss:
County of Summit)


The foregoing Power of Attorney was acknowledged before me
this 24th day of May,  2011, by Mark T. Clark.



/s/ Susie M. Hoisten_______________
        Susie M. Hoisten, Notary Public
          Residence ? Summit County
         State Wide Jurisdiction, Ohio
My Commission Expires December 9, 2011