NSTAR, now Eversource Energy- Follow our new company page, Eversource Energy
UtilitiesMassachusetts, United States501-1000 Employees
Eversource Energy, headquartered in Westwood, Massachusetts, operates as a utility company serving the New England region. It emerged from a merger that joined NSTAR Electric & Gas with Northeast Utilities and its affiliates — Connecticut Light & Power, PSNH, Western Massachusetts Electric Company, and Yankee Gas — to form a single energy provider. The company delivers energy and related services to residential and commercial customers, with an emphasis on reliability and customer service. Based in the United States, the organization employs a workforce described as being in the hundreds. In June 2026, Eversource opened the Wareham Electric Training Center in Massachusetts, described as a first-of-its-kind training and storm response hub.