Locations
Corporate Headquarters
1310 Point Street
Baltimore, Maryland 21231
Contact Us
At Constellation, we look forward to hearing from you.
Your questions and comments are important to us and we will address them as quickly as possible.
Customer Service
Business Customers
(844) 6-ENERGY
Digital Customer Platform
Residential Customers
Digital Customer Platform
Other Contact
Investor Relations
For our latest stock information, SEC filings, presentations and events.
Suppliers
For information on doing business with Constellation, supplier registration, our online tools and specific category contacts.
Ethics & Compliance
For information about Constellation's ethics policies and contact information, including our Code of Business Conduct.
To report an ethics concern, please visit the Constellation Ethics Help Line.
Mobile App Support
For issues specific to with Constellation Mobile Applications, please email us.