Constellation: The freedom to choose your plan

Are you tired of an unpredictable energy bill? At Constellation, we provide competitive electricity and natural gas options to fit your needs. Our fixed rate plans provide price certainty against potential rate changes in the marketplace. This means you can rest easy knowing you will get the same rate over your entire contract period.

What sets us apart from the rest?

Constellation, an Exelon company, offers a range of electricity and natural gas plans to customers in the United States. In fact, we serve approximately one million residential customers and 100,000 businesses — including two-thirds of Fortune 100 companies. At Constellation, we're committed to putting our customers first. From sign-up to renewal, we make it easy. State regulations vary, but other than signing up for a new plan, you shouldn't have to do anything else.

What you can expect

  • Fixed rates: With our competitive fixed rate options, rest assured that you will receive the same rate for the duration of your contract, protecting you from potential fluctuations in the energy wholesale market
  • Easy sign-up: State regulations vary, but switching to Constellation is as easy as signing up for a new plan and letting us take care of the rest. So don't delay: talk to Constellation today and find out how you can easily switch to an energy plan that works for you.

Learn about pricing options in your state: new customers call 1-888-399-1727 or enter your zip code above.