United States

Little Goose — 810 MW Hydroelectric

Hydroelectric Renewable Verified

Little Goose is a 810 MW hydro power plant located in United States of America. View location, capacity, and technical details.

Capacity
810 MW

Installed

Commissioned
1974

Year online

Owner
USACE Northwestern Division

Operator

Location
46.58, -118.03

Coordinates

Insights

#510
largest in %s
#462
largest %s worldwide
#2,977
largest worldwide
1974
%d yrs older than avg
21
operated by %s
19
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
810 MW
Commissioned
1974
Status
Operational
Owner
USACE Northwestern Division
Country
United States
Coordinates
46.584, -118.027

Estimated Carbon Footprint

Annual CO₂
68,118 t

tonnes / year

Lifetime CO₂
5.4M t

over ~%d yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

14,808
cars / year
9,082
homes / year
3.1M
trees to offset

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

Nearby Stations

About this plant

The Little Goose Hydroelectric Power Plant, located on the Snake River in the state of Washington, is a significant contributor to the energy landscape of the United States. With a total installed capacity of 810 megawatts (MW), this facility plays a crucial role in providing renewable energy to the regional grid. Commissioned in 1974 and operated by the U.S. Army Corps of Engineers (USACE) Northwestern Division, Little Goose exemplifies the United States’ commitment to harnessing hydropower as a sustainable energy source.

As a hydroelectric power plant, Little Goose generates electricity by converting the kinetic energy of flowing water into mechanical energy, which is then transformed into electrical energy through turbines. The plant utilizes the natural flow of the Snake River, with water released from upstream reservoirs, to drive its turbines. This process is inherently renewable, as it relies on the continuous cycle of water flow, making it a clean energy source with minimal greenhouse gas emissions compared to fossil fuel-based power plants. The facility operates with a high level of efficiency, typically ranging between 85% to 90%, which is advantageous for maximizing energy output while minimizing waste.

The environmental impact of hydropower plants like Little Goose can be complex. While they produce clean energy and help reduce reliance on fossil fuels, there are ecological considerations, particularly concerning aquatic ecosystems. The operation of the plant can affect fish migration and local wildlife habitats. To mitigate these impacts, various measures, such as fish ladders and monitoring programs, have been implemented to support salmon and other fish species that navigate the river. The U.S. Army Corps of Engineers works in collaboration with environmental agencies to ensure that the plant operates sustainably while balancing energy production with ecological preservation.

Regionally, Little Goose is integral not only for its power generation capabilities but also for its role in flood control, irrigation, and navigation along the Snake River. The electricity generated by the plant supports both local communities and industries, contributing to the overall economic development of the Pacific Northwest. As part of the larger hydropower system in the region, Little Goose helps to stabilize the electrical grid, especially during peak demand periods.

In summary, the Little Goose Hydroelectric Power Plant stands as a vital component of the USA’s renewable energy portfolio. Its capacity of 810 MW contributes significantly to the region’s energy needs while embodying the nation’s shift towards sustainable energy sources. The facility’s operational practices reflect a commitment to balancing energy production with environmental stewardship, ensuring its continued relevance in the evolving energy sector.

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