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Reduce Your NSTAR (Eversource) Bill

It's never been easier to save on your next energy bill. See the lowest rates, compare to your current plan, and switch here.

NSTAR, now a part of Eversource Energy, served retail electricity and natural gas to 1.4 million customers in eastern and central Massachusetts, including the Boston urban area. NSTAR became a subsidiary of Northeast Utilities in April 2012, then an Eversource company following NU's merger.

A publicly traded, Fortune 500 company, Eversource offers retail electricity and natural gas service to more than 3.6 million customers in Connecticut, Massachusetts and New Hampshire through several regulated subsidiaries (including NSTAR).