Energisa S.A., through its subsidiaries, engages in the distribution, transmission, and generation of electricity in Brazil. The company generates electricity through hydraulic, solar, and wind projects. It also provides operating and maintenance services related to electricity distribution, generation, transmission, commission, preparation, and remote and local operations; and offers electrical and mechanical maintenance of plants, substations, transmission lines, and facilities. In addition, the company provides construction, operation, maintenance, and services related to electricity generation, transmission, and distribution; tele-services and personal services for electricity consumers; and aerial surveying services for supporting companies operating high-voltage lines, oil pipelines, and reforestation engineering works. Further, it is involved in the production, marketing, and distribution of natural gas; treatment of industrial organic waste for the production of biofertilizer; and provision of insurance brokerage, payment systems optimization, securitization of credits, and financial products and services. The company serves customers in residential, industrial, and commercial markets. It serves approximately 20 million consumers in Brazilian states. The company was founded in 1905 and is headquartered in Cataguases, Brazil. Energisa S.A. operates as a subsidiary of Gipar S.A.