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Service Territory

Eversource is New England’s largest energy delivery company, safely and reliably delivering energy to approximately 4 million electric and natural gas customers in Connecticut, Massachusetts and New Hampshire.

Connecticut: Our electric service territory includes 149 towns and covers 4,400 square miles. Our natural gas service territory includes 74 towns and covers 2,632 square miles.

Massachusetts: Our electric service territory includes 140 towns and covers 3,192 square miles. Our natural gas service territory includes 113 towns and covers 2,273 square miles.

New Hampshire: Our service territory includes 211 towns and 5,628 square miles.

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