UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) December 3, 2013

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Section 5 – Corporate Governance and Management

Item 5.02 Departure of Directors of Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On December 3, 2013, the Board of Directors of PECO Energy Company (PECO) appointed Nicholas DeBenedictis to the PECO board to fill the vacancy on the PECO board that resulted from the resignation of Gov. Thomas J. Ridge. Mr. DeBenedictis also serves as a director of Exelon Corporation (Exelon), the parent company of PECO. Mr. DeBenedictis is not being appointed to any committees. As a PECO director who also serves on the Exelon board, Mr. DeBenedictis will not receive a retainer for his service on the PECO board but will receive $2,000 for each board or committee meeting attended.

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This Current Report includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that are subject to risks and uncertainties. The factors that could cause actual results to differ materially from these forward-looking statements include those discussed herein as well as those discussed in (1) PECO’s 2012 Annual Report on Form 10-K in (a) ITEM 1A. Risk Factors, (b) ITEM 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations and (c) ITEM 8. Financial Statements and Supplementary Data: Note 19; (2) PECO’s Third Quarter 2013 Quarterly Report on Form 10-Q in (a) Part II, Other Information, ITEM 1A. Risk Factors, (b) Part 1, Financial Information, ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations and (c) Part I, Financial Information, ITEM 1. Financial Statements: Note 18; and (3) other factors discussed in filings with the Securities and Exchange Commission by PECO. Readers are cautioned not to place undue reliance on these forward-looking statements, which apply only as of the date of this Current Report. PECO does not undertake any obligation to publicly release any revision to its forward-looking statements to reflect events or circumstances after the date of this Current Report.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, ComEd has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

December 5, 2013