Consolidated Edison, Inc., through its subsidiaries, provides energy services to residential, commercial, industrial, and government customers in the United States. The company, through its subsidiary, Consolidated Edison Company of New York, Inc., provides electric services to approximately 3.3 million customers in New York City and Westchester County; gas to approximately 1.1 million customers in Manhattan, the Bronx and parts of Queens, and Westchester County; and steam to approximately 1,735 customers in parts of Manhattan. It operates 62 area distribution substations and various distribution facilities; 39 transmission substations and 62 area stations; electricity generation plants with an aggregate capacity of 709 megawatts that run with gas and fuel oil; 4,359 miles of mains and 387,881 service lines for natural gas distribution; and 5 steam-only generating stations. The company, through its subsidiary, Orange and Rockland Utilities, Inc., also supplies electricity to approximately 0.3 million customers in southeastern New York, and in adjacent areas of northern New Jersey and northeastern Pennsylvania; and gas to approximately 0.1 million customers in southeastern New York and adjacent areas of northeastern Pennsylvania. It operates 558 circuit miles of transmission lines; 14 transmission substations; 62 distribution substations; 85,017 in-service line transformers; 3,779 pole miles of overhead distribution lines; and 1,772 miles of underground distribution lines, as well as 1,770 miles of mains for natural gas distribution and 78 miles of mains for natural gas transmission. In addition, Consolidated Edison, Inc. engages in the sale and related hedging of electricity to wholesale and retail customers; and sale of energy-related products and services, as well as participates in energy infrastructure projects. The company was founded in 1884 and is based in New York, New York.