Eversource Energy, earlier known as Northeast Utilities, engages in the energy delivery business. It transmits and delivers electricity and natural gas to residential, commercial and industrial customers in Connecticut, New Hampshire and Massachusetts. The reportable segments are as follows:?The Electric Distribution segment consists of?the distribution businesses of The Connecticut Light and Power Company, NSTAR Electric Company, and Public Service Company of New Hampshire. Through Electric Transmission, the company owns and controls transmission facilities of CL&P, NSTAR Electric, and PSNH through the segment. Its Natural Gas Distribution segment serves customers in central and eastern Massachusetts and in Connecticut through NSTAR Gas Company and Yankee Gas Services Company, respectively. The Water Distribution segment was created when Eversource acquired Aquarion Water Company in December 2017.?