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Constellation Energy

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What is Constellation Energy?

Constellation, an Exelon company, provides competitive supply plans for electricity and natural gas in energy-choice markets across the United States. Constellation, energy supplier for more than 2 million customers across residential, public sector and business customers, supplies two-thirds of Fortune 100 companies. The company's website states that it understands the energy market is always growing and requires environmental stewardship, revealing its purpose in offering renewable energy plans to most of its customers.

  • Headquarters: Baltimore, MD
  • Founded: 1995
  • Subsidiary of Exelon
  • Markets served: Connecticut, Delaware, Georgia, Illinois, Michigan, Nebraska, Kentucky, Maryland, New Jersey, New York, Ohio, Pennsylvania, the District of Columbia and Texas
  • Stay up-to-date with community involvement program.
  • Learn more by reading recent news.

Connect with Constellation energy plans and renewable energy options

Constellation energy supply plans are available in two common types of rate structures: fixed supply rate plans and variable supply rate plans. Renewable energy plans are also available in certain states.

Variable-rate supply plans fluctuate based on market prices, meaning that the rate per kWh can change per month. Fixed-rate supply plans offer price protection, and have a constant rate per kWh every month for a term agreement.

In states with renewable energy options, Constellation purchases electricity supply from wind farms. Wind farms provide a renewable energy source for electricity, cutting back on environmental pollution. Consumers interested in wind energy can check to see if Constellation's renewable energy plans are available in their service area. Learn how to explore your options below.

Find a supplier that works for you

Shopping Constellation energy plans doesn’t have to be difficult. SaveOnEnergy.com® is here to help you find a supply plan that fits your energy needs. Enter your ZIP code to discover what suppliers offer electricity or natural gas plans in your market. If you’d like to speak with an energy representative to discuss your options, give us a call and we can help guide you toward a plan that works for you.

Updated: 8-23-16.

Call Today! 1-855-380-8348