Contact Us

Exelon Corporation
10 S. Dearborn St., 48th Floor

Mailing address
Exelon Corporation
PO Box 805398
Chicago, IL 60680-5398

(800) 483-3220

Exelon Generation Headquarters
300 Exelon Way
Kennett Square, PA 19348
(800) 483-3220

Exelon Generation Regional Headquarters
4300 Winfield Road
Warrenville, IL 60555

For information on individual plants, see our Locations.

Constellation
1310 Point Street
Baltimore, MD 21231
www.constellation.com

Solutions for Home
(855) 465-1244

Solutions for Business
(888) 635-0827 

Corporate Headquarters
701 Ninth St., NW
Washington, D.C. 20068
www.pepcoholdings.com
202-872-2000

For the latest stock information, SEC filings, presentations and events, go to Investor Relations.

Are you an Investor or Individual Shareowner? Go to Resources in Investor Relations for contact information.

For information on doing business with Exelon, supplier registration, our online tools and specific category contacts, go to Suppliers.

Are you a registered Exelon supplier? Go to Suppliers Contact Information.

For media contacts, the latest Exelon press releases, executive speeches and downloads, go to our Newsroom.

For media kits, executive bios and other assets, go to Media Resources in our Newsroom.

For grant information and eligibility criteria, go to Grants in our Community section.

For information about Exelon’s ethics policies and contact information, go to Ethics, integrity and business conduct.