The electrical power grid that powers Northern America is not a single grid, but is instead divided into multiple wide area synchronous grids. The Eastern Interconnection and the Western Interconnecti
Abspannportal
Hydro-Québec's electricity transmission system is an international electric power transmission system centred in Quebec, Canada. The system pioneered the use of very high voltage 735-kilovolt alternat
North American power transmission grid
…synchronous grids. The Eastern Interconnection and the Western Interconnection are the largest. Three other regions include the Texas Interconnection, the Quebec Interconnection, and the Alaska Interconnection. Each region delivers power at a nominal 60 Hz frequency. The regions are not usually directly connected or synchronized…
The two major and three minor NERC interconnections, and the nine NERC Regional Reliability Councils.
735 kV substation near the Robert-Bourassa generating station
The spillway of the Robert-Bourassa Dam (formerly La Grande-2 Dam), one of many hydroelectric dams supplying power to the load centres of Montreal, Quebec City, and the Northeastern United States
View of Churchill Falls, the electrical substation, and the three 735 kV lines that span the river gorge