Hydro-Québec generates, transmits and distributes electricity. Its sole shareholder is the Québec government. It uses mainly renewable energy sources, particularly the large hydro, and supports the development of other sectors - such as wind and biomass - through purchases from independent producers. Responsible company, committed to sustainable development, it conducts construction projects in order to prepare for the future. It also conducts research and development in the field of energy, including energy efficiency. The company has four divisions.