Exhibit

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of PECO Energy Company of our report dated February 8, 2019relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in Exelon Corporation's combined Annual Report on Form 10-K for the year ended December 31, 2018. We also consent to the reference to us under the heading “Experts” in such Registration Statement.