EX-24.42 66 exc-20171231x10kxexh2442.htm POWER OF ATTORNEY - MARIA HARRIS TILDON Exhibit

Exhibit 24.42


KNOW ALL MEN BY THESE PRESENTS that I, Maria Harris Tildon, do hereby appoint Calvin G. Butler, Jr. and Daniel P. Gahagan, or either of them, attorney for me and in my name and on my behalf to sign the annual Securities and Exchange Commission report on Form 10-K for 2017 of Baltimore Gas & Electric Company, together with any amendments thereto, to be filed with the Securities and Exchange Commission, and generally to do and perform all things necessary to be done in the premises as fully and effectually in all respects as I could do if personally present.
Maria Harris Tildon
DATE: January 31, 2018