EXHIBIT 15

May 7, 2008

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We are aware that our report dated May 7, 2008 on our review of interim financial information of FirstEnergy Corp. (the "Company") for the three month periods ended March 31, 2008 and 2007 and included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2008, is incorporated by reference in their Registration Statements on Form S-3 (Nos. 333-48587, 333-102074 and 333-103865) and S-8 (Nos. 333-56094, 333-58279, 333-67798, 333-72766, 333-72768, 333-81183, 333-89356, 333-101472, 333-110662, and 333-146170).

Very truly yours,

PricewaterhouseCoopers LLP

EXHIBIT 15

May 7, 2008

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We are aware that our report dated May 7, 2008 on our review of interim financial information of Ohio Edison Company (the "Company") for the three month periods ended March 31, 2008 and 2007 and included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2008, is incorporated by reference in its Registration Statement on Form S-3 (No. 333-133117).

Very truly yours,

PricewaterhouseCoopers LLP

EXHIBIT 15

May 7, 2008

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We are aware that our report dated May 7, 2008 on our review of interim financial information of Pennsylvania Electric Company (the "Company") for the three month periods ended March 31, 2008 and 2007 and included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2008 is incorporated by reference in their Registration Statements on Form S-3 (Nos. 333-62295, 333-62295-01, and 333-62295-02).

Very truly yours,

PricewaterhouseCoopers LLP