Cia Paranaense De Energia Copel is mainly involved in the production of electricity in the Brazilian state of Paraná. Specifically, the company's operating segments include power generation and transmission, gas, power distribution, energy sales, and telecommunications. Most of the company's revenue comes from the sale of electricity. It generates electricity from renewable energy sources, such as hydroelectric, wind and thermal power plants. The company was designed to allow Paraná to manage energy distribution and related services, so the State is the majority shareholder.