World Power Plants

GRAND MAISON1,690 MW Hydroelectric

HydroRenewable

Located in the picturesque region of France at coordinates 45.1460, 6.0510, the GRAND MAISON hydroelectric power plant stands as a monumental example of renewable energy generation. With a capacity of 1690 MW, this facility harnesses the power of flowing water to produce electricity, making it a critical component of the country's energy infrastructure. As one of the largest hydroelectric plants in France, GRAND MAISON plays an essential role in the national energy mix, particularly in the context of France's commitment to reducing carbon emissions through the promotion of renewable sources. The technology utilized in this hydroelectric power plant involves a dam system that captures and controls water flow to effectively generate electricity. This capacity contributes significantly to the stability of the local grid, providing a consistent and reliable energy source. The strategic importance of GRAND MAISON cannot be overstated, as it supports both the regional economy and France's broader energy policy goals aimed at transitioning towards a low-carbon future.

Capacity
1,690 MW

1.69 GW

Commissioning Year
1985

41 years old

Owner
Électricité de France (EDF)
Location
45.1460°, 6.0510°

France, Europe

Context & rankings
  • 42. largest of 2,195 plants in France
  • #1,100 worldwide by installed capacity
  • #140 of 8,493 Hydroelectric plants worldwide
  • 0.88% of the installed capacity of France
Age & fleet comparison

41 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Électricité de France (EDF) operates 34 plants totalling 40,631 MW

Regional density

139 plants within 100 km, 15,941 MW combined

Nearest plant: Barrage du Verney (2 km)

Data provenance

Location

Coordinates:: 45.146000, 6.051000
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

GRAND MAISON is a hydro power plant producing approximately 5922 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
France
Continent
Europe
Data Source
Global Power Plant Database

Overview of the Grand Maison Hydroelectric Power Plant in France

The Grand Maison power plant, located in France, is one of the largest hydroelectric facilities in the country, boasting a remarkable capacity of 1690 megawatts (MW). It plays a crucial role in France's energy sector, contributing significantly to the nation's renewable energy output and helping to meet its electricity demands. The plant is strategically positioned in the French Alps, utilizing the region's natural topography and abundant water resources to generate electricity through hydroelectric power generation.

Hydroelectric power, the primary fuel type used by Grand Maison, harnesses the kinetic energy of flowing water to produce electricity. This process involves capturing the energy from water released from reservoirs or flowing in rivers. In the case of Grand Maison, water is channeled through turbines, which convert the movement of water into mechanical energy. This mechanical energy is then transformed into electrical energy using generators. Hydroelectric power is favored for its efficiency, reliability, and low operational costs once the infrastructure is established. Additionally, hydroelectric plants like Grand Maison typically have long operational lifespans, often exceeding several decades.

The environmental impact of hydroelectric power plants is generally lower compared to fossil fuel-based energy sources, as they produce minimal greenhouse gas emissions during operation. However, the construction and operation of large dams can lead to ecological changes, including habitat alteration, fish migration disruption, and sedimentation issues. In the case of Grand Maison, measures have been implemented to mitigate these impacts, such as fish ladders to facilitate the movement of aquatic life and environmental monitoring to assess the local ecosystem's health. Nonetheless, the plant remains a vital component of France's strategy to transition toward cleaner energy sources and reduce carbon emissions.

Regionally, Grand Maison holds significant importance not only for its energy production but also for its contributions to local economies through job creation and infrastructure development. The plant serves as a cornerstone of the regional energy grid, providing a stable and renewable source of electricity that supports both residential and industrial needs. Its capacity allows it to serve as a balancing resource, complementing intermittent renewable energy sources like wind and solar power. As part of France's broader commitment to sustainable energy, Grand Maison exemplifies the country's efforts to leverage its natural resources for clean energy generation, ensuring energy security while promoting environmental stewardship.

FranceEnergy Profile

2,195
Total Plants
192.2 GW
Total Capacity
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