Eversource Energy (formerly Northeast Utilities) uses Yankee ingenuity, power, and gas to keep its customers happy. The largest utility in New England, Eversource operates six electric and gas utilities in Connecticut, Massachusetts, and New Hampshire and serves 3.6 million electric and gas customers. It has 3,932 miles of power transmission lines, 40,258 miles electric distribution lines and 6,567 miles of gas distribution lines. Subsidiaries include Connecticut Light and Power, Public Service Company of New Hampshire, and Western Massachusetts Electric. Eversource's Yankee Gas supplies natural gas to 226,000 customers in 72 cities and towns in Connecticut.