Eversource Energy

Eversource transmits and delivers electricity and natural gas for more than 3.6 million electric and natural gas customers. Before its rebranding, the company operated six main subsidiaries: Connecticut Light and Power (CL&P), Public Service Company of New Hampshire (PSNH), Western Massachusetts Electric Company (WMECO), Yankee Gas Services Company (Yankee Gas), NSTAR Electric, and NSTAR Gas. NSTAR itself was the product of corporate mergers and included the former Boston Edison Company, Cambridge Electric Light Company, Commonwealth Electric Company, Commonwealth Gas, and Cambridge Gas Company. All now currently operate under the Eversource name. Eversource remains Connecticut's largest electric utility, serving more than 1.2 million residential, municipal, commercial and industrial customers in approximately 149 cities and towns. It also serves approximately 229,000 natural gas customers in 73 cities and towns. Eversource is also New Hampshire's largest electric utility, serving more than 500,000 homes and businesses in 211 cities and towns throughout the state. Eversource Energy is a publicly-traded, Fortune 500 energy company headquartered in Hartford, Connecticut, and Boston, Massachusetts, with several regulated subsidiaries offering retail electricity, natural gas service, and water service to approximately 4 million[6] customers in Connecticut, Massachusetts, and New Hampshire.

Domain

eversource.com

Industry

Delivery

Employees

10001+

Last Funding

$600.0M

Founded

1965

Frequently Asked Questions

What technologies does Eversource Energy use?+

Eversource Energy uses 14 technologies including Decibel, OneTrust, Adobe Analytics.

What industry is Eversource Energy in?+

Eversource Energy operates in the Delivery industry.

Where is Eversource Energy based?+

Eversource Energy is headquartered in United States.

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Data last updated: June 2026