Eversource Energy, formerly known as Northeast Utilities, provides retail electricity & natural gas service to more than 3.6 million customers in Connecticut, Massachusetts and New Hampshire. CL&P (Connecticut), PSNH (New Hampshire) and NSTAR (Massachusetts) are now owned and operated by Eversource.
Eversource is a publicly traded, Fortune 500 energy company. Its regulated subsidiaries offer retail electricity and natural gas service to more than 3.6 million customers in Connecticut, Massachusetts and New Hampshire.
Following its 2012 merger with Boston-based NSTAR, NU has more than 4,270 circuit miles of electric transmission lines, 72,000 pole miles of distribution lines, and 6,459 miles of natural gas pipeline in New England.
On February 2, 2015, Northeast Utilities and all its subsidiaries rebranded themselves as "Eversource Energy". The stock symbol changed on February 19, 2015 from "NU" to "ES".