Products and Services
- Residential Natural Gas and Electricity
- Constellation supplies natural gas to Direct Mass Market customers (residential and small business users) in Michigan, supplies
electricity to Direct Mass Market customers in Pennsylvania, and supplies
both natural gas and electricity to Direct Mass Market customers in Illinois and Ohio.
- Commercial & Industrial Natural Gas and Electricity
- Constellation provides natural gas and electric service across the United States.
Learn more about specific solutions for your locations here.