Energy companies established in 1952

company

Indian multi-national corporation

Companhia Energética de Minas Gerais S.A. (CEMIG; ) is a Brazilian power company headquartered in Belo Horizonte, capital of the state of Minas Gerais. The company is one of the main electricity concessionaires in Brazil. It operates in the areas of generation, transmission, distribution and commercialization of electric energy and also in the distribution of natural gas. The company is responsible for 12% of the Brazil's distribution. It is the fourth-largest electricity company in Brazil by revenue after Eletrobras, Energisa and CPFL Energia.

The , operating under the brand name J-POWER, formerly , is an electric utility in Japan. It mainly produces electricity from coal and hydroelectric power stations. It also has a few wind farms and is currently building a nuclear plant in Ohma, Aomori prefecture, that is scheduled to begin operations in November 2014. J-Power is the sole operator of the transmission lines connecting the four main islands of Japan.