Home > Energy Suppliers > Constellation

Constellation is owned by Exelon.  Constellation provides energy in deregulated energy markets throughout the US. Their focus is to help consumers strategically buy and manage their energy needs through integrated energy solutions, renewable energy supply, and helping them with energy efficiency. Along with innovative solutions they pride themselves on exceptional customer service and giving back to the communities they serve.

Constellation offers a wide array of energy services in states across the US including; electricity, natural gas, solar installations, renewable energy plans and other home service plans.  More than likely you will be able to fins a service that fits your needs in you live in their service area.

Constellation is committed to the environment and matches the electricity requirements of their business by renewable energy certificates that come from wind energy resources throughout the United States. In addition to their commitment to the environment they also make it a point to give back to the communities they serve with donations to local causes and Habitat for Humanity.

Residential Markets They Serve:

Constellation Energy serves residential customers in 17 states and Washington D.C with electricity or natural gas.  Services may only be available in select areas of each state.

constellation service areas

What Types of Plans Do They Offer?

Constellation offers a wide variety of plans to fit their customer’s needs.  Rates and plan type vary depending on the your utility provider.  Below are the most common types of energy plans they offer.


  • Fixed rate plans that last 12-36 months

  • Renewable energy plans that reduce your carbon footprint and protect from price spikes. These plans are driven renewable energy certificates from 100% wind power.

  • Variable rate plans allow you access to current market rates with our committing to a long-term contract. These plans are only available in Texas.

Natural Gas

  • Fixed rate plans that last between 6 and 36 months that will protect you from seasonal price spikes.

Home Service Plans

  • Protection plans that will cover your home from costly breakdowns

  • HVAC services

  • Plumbing services

  • Electrical service

Solar Installations

  • Through Sunrun Constellation can offer in select states with solar electricity options for their home with fixed rates and flexible payment options.

Benefits of Switching to Constellation:

As one of the largest energy suppliers in the country, Constellation offers their customers the following:

  • Fixed rate plans that a guaranteed for the length of the contract.

  • Variety in their plan options to fit the consumers need and lifestyle.

  • Easy and convenient switching process form your current energy supplier with no switching fees.

  • Protection from market volatility and price fluctuations with fixed rate plans

  • Convenient billing as customers will still be billed by their current utility.


Contact Information

Once a customer, contacting Constellation is easy.  You will have access to your account online and take care of billing, account information, and personal details.  If you prefer to contact their support with other issues you can reach them at the following support numbers.

  • For residential customers call 1-855-465-1244

  • For Texas residential customers call 1-866-917-8271

  • For Georgia residential customers call 1-877-677-4355

  • For business customers call 1-888-635-0827