World Power Plants

Bonneville1,162 MW Hydroelectric

HydroRenewableVerified: Jul 2026

The Bonneville power plant, located in the United States of America, is a significant hydroelectric facility that plays a crucial role in the region's energy generation landscape. With a remarkable capacity of approximately 1162 MW, Bonneville is one of the largest hydro power plants in North America, contributing substantially to the energy supply of the Pacific Northwest. Operated by the U.S. Army Corps of Engineers' Northwestern Division, this power generation facility harnesses the power of the Columbia River, utilizing state-of-the-art hydroelectric technology. Commissioned in 1960, Bonneville has been a cornerstone of renewable energy production for over six decades, showcasing the efficacy of hydro power as a sustainable energy source. The facility employs a dam-based system, which captures the kinetic energy of flowing water to generate electricity. This method not only produces clean energy but also aids in flood control and irrigation, highlighting its multifaceted benefits. Geographically, Bonneville is situated at coordinates 45.6441° N, 121.9410° W, making it strategically positioned to serve the local grid and the larger regional energy market. The plant's operational context is deeply intertwined with the region's energy policies, which increasingly prioritize renewable energy sources in response to climate change concerns. Bonneville's substantial output helps reduce reliance on fossil fuels, aligning with the national shift towards cleaner energy generation. The power plant not only supports local communities by providing reliable electricity but also plays a vital role in stabilizing the grid during peak demand periods. As part of the Columbia Basin hydropower system, Bonneville continues to be a leader in energy generation, demonstrating the potential of hydroelectric power in meeting the evolving energy needs of the United States.

Capacity
1,162 MW

1.16 GW

Commissioning Year
1960

66 years old

Owner
USACE Northwestern Division
Location
45.6441°, -121.9410°

United States of America, North America

Context & rankings
  • 320. largest of 10,098 plants in United States of America
  • #2,126 worldwide by installed capacity
  • #293 of 8,493 Hydroelectric plants worldwide
  • 0.08% of the installed capacity of United States of America
Age & fleet comparison

66 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

USACE Northwestern Division operates 21 plants totalling 13,111 MW

Regional density

42 plants within 100 km, 6,281 MW combined

Nearest plant: PHP 1 (21.2 km)

Location

Coordinates:: 45.644100, -121.941000
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Carbon Footprint

Zero Direct Emissions

Bonneville is a hydro power plant producing approximately 4072 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
United States of America
Continent
North America
Data Source
Global Power Plant Database

Bonneville Dam: A Cornerstone of Hydroelectric Power in the USA

The Bonneville Dam, located on the Columbia River in the United States, plays a pivotal role in the nation's energy sector as one of the largest hydroelectric power plants in the country. Commissioned in 1960 and operated by the U.S. Army Corps of Engineers (USACE) Northwestern Division, the facility boasts an impressive capacity of approximately 1,162 megawatts (MW). This extensive capacity allows Bonneville to contribute significantly to the regional power supply, serving not only the Pacific Northwest but also integrating into the broader grid across the western United States.

Hydroelectric power, the fuel type utilized by Bonneville, harnesses the kinetic energy of flowing water to generate electricity. This renewable energy source is lauded for its efficiency and reliability, with hydroelectric plants typically having high capacity factors compared to other forms of energy generation. At Bonneville, water released from the Columbia River flows through turbines, converting the movement into electrical energy. The plant's operational design maximizes the use of natural water flow, making it a sustainable choice for electricity generation while minimizing reliance on fossil fuels.

The environmental impact of the Bonneville Dam is multifaceted. On one hand, it significantly reduces greenhouse gas emissions by providing a clean energy alternative to carbon-intensive fossil fuels. This aspect is crucial for combating climate change and promoting a sustainable future. On the other hand, the construction and operation of the dam have altered the local ecosystem, particularly affecting fish populations such as salmon, which face challenges related to migration due to dam infrastructure. Various mitigation efforts, including fish ladders and habitat restoration initiatives, have been implemented to address these concerns and support local wildlife.

Regionally, Bonneville serves as a cornerstone of energy generation and management in the Pacific Northwest. The power plant not only supports local communities by providing a stable electricity supply but also plays a crucial role in flood control, irrigation, and navigation along the Columbia River. Its strategic location allows it to be a key player in balancing supply and demand across the interconnected power grid. The Bonneville Dam exemplifies the dual objectives of energy production and environmental stewardship, showcasing the complexities and possibilities of hydroelectric power in the modern energy landscape. As the United States continues to transition towards renewable energy sources, the Bonneville Dam remains a vital asset in achieving energy independence and sustainability.

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
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