Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 10, 2016 relating to the Exelon Corporation financial statements, financial statement schedules and the effectiveness of internal control over financial reporting, which appears in Exelon Corporation’s Annual Report on Form 10-K for the year ended December 31, 2015. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Chicago, Illinois

August 30, 2016