Exhibit 24(a)

REGISTRATION STATEMENT ON FORM S-3

POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that each of the undersigned directors and officers of FirstEnergy Corp., an Ohio corporation (the “Corporation”), hereby constitutes and appoints Steven E. Strah, President and Chief Executive Officer, K. Jon Taylor, Senior Vice President and Chief Financial Officer, Hyun Park, Senior Vice President and Chief Legal Officer, and Mary M. Swann, Corporate Secretary and Associate General Counsel, and each of them, as the true and lawful attorney-in-fact or attorneys-in-fact, with full power of substitution and resubstitution, for each of the undersigned and in the name, place and stead of each of the undersigned, to sign and file with the Securities and Exchange Commission under the Securities Act of 1933 (the “Securities Act”) one or more Registration Statements on Form S-3 relating to the registration of certain securities of the Corporation, including equity and debt securities of the Corporation, with any and all amendments, supplements and exhibits thereto, including pre-effective and post-effective amendments or supplements and Registration Statements filed pursuant to Rule 462(b) of the Securities Act, with full power and authority to do and perform any and all acts and things whatsoever required, necessary or desirable to be done in the premises, hereby ratifying and approving the act of said attorneys and any of them and any such substitute.

This Power of Attorney may be executed in multiple counterparts, each of which shall be deemed an original with respect to the person executing it.

Executed as of this 9th day of December, 2021.

 

/s/ Steven E. Strah				/s/ K. Jon Taylor
Steven E. Strah				K. Jon Taylor
President and Chief Executive Officer and Director				Senior Vice President and Chief Financial Officer
(Principal Executive Officer)				(Principal Financial Officer)
/s/ Jason J. Lisowski				/s/ Donald T. Misheff
Jason J. Lisowski				Donald T. Misheff
Vice President, Controller and Chief Accounting Officer				Director
(Principal Accounting Officer)
/s/ Michael J. Anderson				/s/ Steven J. Demetriou
Michael J. Anderson				Steven J. Demetriou
Director				Director
/s/ Lisa Winston Hicks				/s/ Julia L. Johnson
Lisa Winston Hicks				Julia L. Johnson
Director				Director

/s/ Paul Kaleta				/s/ Jesse A. Lynn
Paul Kaleta				Jesse A. Lynn
Director				Director
/s/ Thomas N. Mitchell				/s/ James F. O’Neil III
Thomas N. Mitchell				James F. O’Neil III
Director				Director
/s/ Christopher D. Pappas				/s/ Luis A. Reyes
Christopher D. Pappas				Luis A. Reyes
Director				Director
/s/ John W. Somerhalder II				/s/ Andrew Teno
John W. Somerhalder II				Andrew Teno
Director				Director
/s/ Leslie M. Turner				/s/ Melvin D. Williams
Leslie M. Turner				Melvin D. Williams
Director				Director