Eversource Energy

Eversource Energy is a diversified holding company with subsidiaries that provide regulated electric, gas, and water distribution service. With the addition of NStar's Massachusetts utilities in 2012, Aquarion in 2017, and Columbia Gas in 2020, the company's utilities now serve more than 4 million customers in the region. Eversource also plans to develop 2 gigawatts of offshore wind projects by 2025. The company exited most of its unregulated businesses in 2006.