Companhia Energética de Minas Gerais - CEMIG, through its subsidiaries, engages in the generation, transmission, distribution, and sale of energy in Brazil. As of December 31, 2024, the company operated 36 hydro plants with a total capacity of 4,449.0 MW, 2 wind farms with a total capacity of 70.8 MW, and 10 photovoltaic power stations with a total capacity of 158.99 MW; 357,044 miles of distribution lines; and 4,754 miles of transmission lines. It is also involved in the acquisition, transportation, and distribution of gas and its sub products and derivatives; sale and trading of energy; construction, implementation, operation and maintenance of electricity transmission; marketing and intermediation of energy-related business; installation, operation, maintenance and rental of solar plants; and distributed generation, account services, cogeneration, energy efficiency, and supply and storage management activities. The company was incorporated in 1952 and is headquartered in Belo Horizonte, Brazil.