Contact Us

Residential Customers

Live Chat

We suggest using our online Live Chat feature to speak with a customer care representative, who will be happy to answer your questions and help resolve your issues as quickly as possible.

Phone

Social Media

You can also contact Constellation through Facebook and Twitter. Our social media accounts are monitored from 9 am to 4 pm CST Monday through Friday.

Home Services - Schedule a Service Online

You can schedule a service for your A/C system, water heater and more by using our online sign-up form. You’ll receive an email confirming your appointment, and a certified Constellation technician, electrician or plumber will arrive at the time and date you select.

Business Customers

Call us toll-free at 844-6-ENERGY (844-636-3749)

You can also contact Constellation through Facebook and Twitter. Our social media accounts are monitored from 9 am to 4 pm CST Monday through Friday.

Reporting an Ethics Concern

As the nation's leading competitive energy provider, Exelon believes our work is essential, and we are privileged to power our communities' homes, businesses, and economies. That's why our ethics, integrity, and business conduct matter. Learn More

The Audit Committee of the Exelon board of directors has adopted and oversees a process for the receipt, retention, investigation, and resolution of concerns of improper business conduct, including potential violation of law or the Code of Business Conduct. The process, administered by the Ethics and Compliance Office, provides employees, shareholders, customers, contractors, suppliers, and others with multiple avenues for reporting concerns, including options that allow anonymity.

Those who wish to report a concern online may use the Exelon Ethics Help Line Website. Or, to report a concern or ask a question by phone, please call 1-800-23ETHIC (1-800-233-8442)*.

 ^*For the most efficient response to customer service concerns please contact our Customer Support team using one of the numbers listed above.