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.[6]
On February 2, 2015, Northeast Utilities and all its subsidiaries rebranded themselves as "Eversource Energy".[7] The stock symbol changed on February 19, 2015 from "NU" to "ES".[8]
Eversource Energy is a utility holding company engaged in the energy delivery business.
The Company operates through three segments: electric distribution, electric transmission and natural gas distribution.
The Company's electric distribution segment consists of the distribution businesses, which are engaged in the distribution of electricity to retail customers in Connecticut, Massachusetts, and New Hampshire and the regulated electric generation businesses.
Its electric transmission segment owns and maintains transmission facilities that are part of an interstate power transmission grid over which electricity is transmitted throughout New England.
Its electric distribution segment consists of the distribution businesses of The Connecticut Light and Power Company (CL&P), NSTAR Electric Company (NSTAR Electric), Public Service Company of New Hampshire (PSNH) and Western Massachusetts Electric Company (WMECO).
It also provides water utility services through its subsidiary, Aquarion.
