Energy Solutions

Energy Products and Services

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Constellation, an Exelon company, is a leading competitive supplier of power, natural gas and energy products and services for homes and businesses across the United States and Canada. Constellation provides integrated energy solutions that help customers buy, manage and use energy, from electricity and natural gas procurement to renewable generation and conservation. We provide more than 1 million residential customers with electricity and natural gas plans that can provide price protection, savings and environmental opportunities.

Energy analysis

All In Service Groups mission is to "help consumers get the best pricing available on Electric and Natural Gas needs. This includes energy reduction thru the application of new technology and products". 

Electricity service areas

For people living in the areas that we serve, our pricing options may be lower than what you are currently paying for electric supply. State regulations may vary but other than signing up for a new electricity plan, you should not have to do anything else.
  • Illinois
  • Maryland
  • Massachusetts
  • New Jersey
  • New York
  • Ohio
  • Pennsylvania
  • Washington D.C.

Natural gas service areas

As one of the top three natural gas suppliers in the United States, we are highly committed to helping our residential customers receive competitive pricing for reliable natural gas service.
  • Connecticut
  • Georgia
  • Illinois
  • Indiana
  • Kentucky
  • Maryland
  • Michigan
  • New Jersey
  • Ohio
  • Pennsylvania
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