page_title: Hydro-Québec
section_title: Transmission system
hierarchical_section_title: Hydro-Québec / Activities / Transmission system
caption_attribution_description: English: Located on Quebec's North Shore, the Micoua electric substation converts 315kV power from five hydroelectric dams for transmission at 735 kV. The facility, owned by Hydro-Québec's TransÉnergie division, is one of the northern hubs of its 12,000 km network of 735 kV power lines. Français&#160;: Le poste électrique de Micoua, sur la Côte-Nord du Québec. Le poste convertit le courant à 315 kV de cinq centrales en courant 735 kV. Cette installation de TransÉnergie, une filiale d'Hydro-Québec, est l'un des quelques noeuds nordiques de son réseau de lignes à 735 kV, long de 12 000 km.
context_page_description: Hydro-Québec is a public utility that manages the generation, transmission and distribution of electricity in the Canadian province of Quebec, as well as the export of power to portions of the Northeast United States.
  It was established by the Government of Quebec in 1944 from the expropriation of private firms. This was followed by massive investment in hydro-electric projects like the James Bay Project. Today, with 63 hydroelectric power stations, the combined output capacity is 37,370 megawatts. Extra power is exported from the province and Hydro-Québec supplies 10 per cent of New England's power requirements.
  Hydro-Québec is a Crown corporation based in Montreal. In 2018, it paid CAD$2.39 billion in dividends to its sole shareholder, the Government of Québec. Its residential power rates are among the lowest in North America.
  More than 40 percent of Canada’s water resources are in Québec and Hydro-Québec is the fourth largest hydropower producer in the world.
  The company logo, a stylized "Q" fashioned out of a circle and a lightning bolt, was designed by Montreal-based design agency Gagnon/Valkus in 1960.
context_section_description: Hydro-Québec's expertise at building and operating a very high voltage electrical grid spreading over long distances has long been recognized in the electrical industry. TransÉnergie, Hydro-Québec's transmission division, operates the largest electricity transmission network in North America. It acts as the independent system operator and reliability coordinator for the Québec interconnection of the North American Electric Reliability Corporation system, and is part of the Northeast Power Coordinating Council (NPCC). TransÉnergie manages the flow of energy on the Quebec network and ensures non-discriminatory access to all participants involved in the wholesale market. The non-discriminatory access policy allows a company such as Nalcor to sell some of its share of power from Churchill Falls on the open market in the State of New York using TransÉnergie's network, upon payment of a transmission fee.
  In recent years, TransÉnergie's Contrôle des mouvements d'énergie (CMÉ) unit has been acting as the reliability coordinator of the bulk electricity network for Quebec as a whole, under a bilateral agreement between the Régie de l'énergie du Québec and the Federal Energy Regulatory Commission of the United States.
  TransÉnergie's high voltage network stretches over 33,630 km (20,900 mi), including 11,422 km (7,097 mi) of 765 and 735 kV lines, and a network of 514 substations. It is connected to neighbouring Canadian provinces and the United States by 17 ties, with a maximum reception capacity of 10,850 MW and a maximum transmission capacity of 7,994 MW.
caption: The Micoua substation on the North Shore of Quebec. This facility converts 315 kV power coming from five hydro plant to 735 kV. This TransÉnergie facility is one of the main nodes of the 11,422-kilometre (7,097 mi) long 735 kV network.
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