Hydro-Québec Distribution provides Quebecers with a reliable supply of electricity. To meet needs beyond the annual heritage pool supplied by Hydro-Québec Production, it obtains supplies on open markets. It also
works to encourage its customers to make efficient use of electricity.
Hydro-Québec TransÉnergie operates the most extensive transmission system in North America for the benefit of customers inside and outside Québec.
Hydro-Québec Production generates and wholesales power on domestic and and external markets.
Hydro-Québec Équipement and Société d’énergie de la Baie James, a subsidiary of Hydro-Québec, are the prime contractors in construction projects for Hydro-Québec Production and Hydro-Québec TransÉnergie.