Energy companies based in Tokyo

Japanese electric utility holding company

Japanese natural gas utility

JERA () is a 50-50 joint venture between TEPCO Fuel & Power, a wholly owned subsidiary of Tokyo Electric Power Company, and Chubu Electric Power, founded in April 2015. The company assumed ownership and operation of all of Tokyo Electric and Chubu Electric thermal power stations, giving it a total output of approximately 67 GW (including capacity under construction), which made it Japan's largest power generation company. The electricity generated is wholesaled to retail electric utilities such as TEPCO Energy Partner and Chubu Electric Power, and is not supplied directly to consumers. Fossil

Japanese oil wholesaler