Canada

La Grande-1 — 1,436 MW Hydroelectric

Hydroelectric Renewable Verified

La Grande-1 is a 1,436 MW hydro power plant located in Canada. View location, capacity, and technical details.

Capacity
1,436 MW

Installed

Commissioned
1996

Year online

Owner
Hydro-Québec

Operator

Location
53.73, -78.57

Coordinates

Insights

#27
largest in Canada
#181
largest Hydroelectric worldwide
#1,358
largest worldwide
1996
12 yrs newer than avg
175
operated by Hydro-Québec
2
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
1,436 MW
Commissioned
1996
Status
Operational
Owner
Hydro-Québec
Country
Canada
Coordinates
53.732, -78.571

Estimated Carbon Footprint

Annual CO₂
120,762 t

tonnes / year

Lifetime CO₂
9,660,948 t

over ~80 yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

26,253
cars / year
16,102
homes / year
5,489,175
trees to offset

Renewable source — life-cycle emissions only (materials/construction), no direct combustion. Open calculator

Nearby Stations

About this plant

La Grande-1 is a hydroelectric power plant located in the province of Quebec, Canada, and is operated by Hydro-Québec. With a generation capacity of 1,436 megawatts (MW), it plays a crucial role in the province’s energy infrastructure and contributes significantly to Canada’s renewable energy portfolio. This facility is part of the larger La Grande complex, which is one of the largest hydroelectric projects in the world. The plant harnesses the power of the La Grande River, utilizing its flow to generate electricity without the direct emissions associated with fossil fuel consumption.

Hydroelectric power is derived from the gravitational force of falling or flowing water, which is converted into electrical energy through turbines. In the case of La Grande-1, water from the La Grande River flows through a series of dams and channels, creating a controlled environment to optimize energy production. The process is highly efficient, with hydroelectric plants typically achieving a conversion efficiency of around 90%. This makes hydroelectricity one of the most sustainable forms of energy, as it relies on the natural water cycle and does not deplete resources or generate greenhouse gases during operation.

The environmental impact of La Grande-1 and similar hydroelectric projects has been a topic of discussion. While hydroelectric power is considered a clean energy source, the construction and operation of dams can disrupt local ecosystems, alter water flows, and affect fish populations. Hydro-Québec has implemented various measures to mitigate these impacts, including fish passage systems and habitat restoration programs. The company is committed to balancing energy needs with environmental stewardship, striving to minimize the ecological footprint of its operations.

La Grande-1 serves not only as a significant energy provider but also as a cornerstone of Quebec’s energy strategy. The province has one of the highest proportions of renewable energy in its electricity generation mix, with hydropower accounting for over 95% of its total output. This reliance on renewable sources enhances energy security, reduces dependence on fossil fuels, and contributes to the fight against climate change. Moreover, La Grande-1 supports regional economic development by providing stable and reliable electricity to both residential and industrial consumers, fostering growth in various sectors, including manufacturing and technology.

In summary, La Grande-1 stands as a vital component of Canada’s energy landscape, exemplifying the benefits and challenges of hydroelectric power. Its capacity and operational efficiency underscore the importance of renewable energy in meeting the country’s electricity demands while promoting sustainability and environmental responsibility. As part of Hydro-Québec’s broader efforts to advance clean energy solutions, La Grande-1 continues to play an integral role in shaping the future of energy in Canada.

More Hydroelectric plants

Spotted an error?

Our data is community-verified. If any detail looks wrong or out of date, suggest a correction below — our team reviews and applies approved changes across all languages.