Constellation offers these energy solutions to Massachusetts residents:
Electricity Plans
Protect your budget with fixed-rate electricity plans. Choose the best electricity plan for your home based on our current Massachusetts electric supplier rates and terms.
Renewable Electric Plans
Support sustainable energy efforts while locking in a fixed-rate electricity plan. You can use renewable energy certificates (RECs) to match your Massachusetts electricity usage.
Natural Gas Plans
Lock in your fixed-rate energy plan based on current Massachusetts natural gas supplier rates. Enter your zip code in MA to find which Constellation natural gas plans are available for your home.
I am saving money with Constellation, and the customer service is great.
Residential Customer
Spoke with knowledgeable and courteous people who knew how to access information on my account and respond to my questions.
Residential Customer
I have always been very pleased since becoming a customer about 2 years ago.
Residential Customer
(...)About one of the best written and customer service experiences I have had recently. Kudos to Constellation.
Residential Customer
When you join the Constellation family, you can:
Give $500 to Great Causes
Constellation has donated $20,744 to 42 groups in Massachusetts alone! Constellation customers can nominate local causes they care about to receive small grants ($500) through our Community Champions program.
Refer a Friend for Extra $
With Constellation’s Refer a Friend program (RAF), you can pass on energy savings! Refer a friend at any point and you’ll receive a $50 gift card* – and so will your friend. You can tell your friends and share to earn rewards today.
Shop to Save Money & Energy
When you choose energy-efficient products, you may lower your energy consumption, conserve water, and you might even see financial savings. Find energy-efficient products in our store with free shipping on all orders!