Lower Monumental— 810 MW Hydroelectric
Lower Monumental is a significant hydroelectric power generation facility located in the United States of America, specifically positioned at coordinates 46.5635, -118.5397. With a substantial capacity of 810 MW, this power plant plays a crucial role in the national energy mix, contributing to the renewable energy goals set forth by various federal and state policies. Operated by the U.S. Army Corps of Engineers (USACE) Northwestern Division, Lower Monumental has been generating energy since its commissioning in 1974. As a hydroelectric plant, it utilizes the kinetic energy of flowing water, which is converted into electricity through a series of turbines and generators, exemplifying the efficiency and sustainability of hydro power technology. The importance of this facility extends beyond its capacity; it enhances grid stability and provides a reliable source of electricity to the surrounding regions. Located along the Snake River in Washington State, Lower Monumental is strategically positioned to harness the river's flow, making it an integral part of local and regional energy infrastructure. The plant not only supports the energy needs of the Pacific Northwest but also plays a vital role in flood control and irrigation, further emphasizing its multifaceted contributions to the local economy and environment. As the United States continues to shift towards cleaner energy sources, facilities like Lower Monumental are essential in meeting renewable energy targets while ensuring a dependable supply of electricity. The U.S. Army Corps of Engineers oversees its operations, ensuring that the plant adheres to environmental regulations while maximizing its energy output. Overall, Lower Monumental stands as a testament to the capabilities of hydroelectric power generation and its significance in the broader context of America's energy landscape.
52 years old
United States of America, North America
- 510. largest of 10,098 plants in United States of America
- #2,977 worldwide by installed capacity
- #462 of 8,493 Hydroelectric plants worldwide
- 0.06% of the installed capacity of United States of America
52 years in operation
Hydroelectric fleet average: 42.1 years
USACE Northwestern Division operates 21 plants totalling 13,111 MW
26 plants within 100 km, 6,100 MW combined
Location
Zero Direct Emissions
Lower Monumental is a hydro power plant producing approximately 2838 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
Lower Monumental Hydroelectric Power Plant: A Vital Component of the U.S. Energy Landscape
The Lower Monumental Hydroelectric Power Plant, located on the Snake River in the state of Washington, is a vital asset in the United States' energy sector. Commissioned in 1974 and owned by the U.S. Army Corps of Engineers (USACE) Northwestern Division, this facility boasts a capacity of 810 megawatts (MW). As a hydroelectric power plant, it harnesses the energy of flowing water to generate electricity, making it a renewable energy source that contributes significantly to the nation’s power grid.
The plant operates by utilizing the kinetic energy of the Snake River, which is channeled through its turbines. The process involves the movement of water, which spins the turbines connected to generators, producing electricity. Hydropower is one of the most efficient forms of energy generation, with conversion efficiencies exceeding 90%. This efficiency, combined with the renewable nature of the energy source—water being replenished through the hydrological cycle—positions Lower Monumental as a key player in the transition towards sustainable energy practices.
In terms of environmental impact, hydroelectric plants like Lower Monumental have both advantages and challenges. On the positive side, they produce electricity without direct emissions of greenhouse gases, contributing to a reduction in overall carbon footprint compared to fossil fuel-based power generation. Additionally, they provide benefits such as irrigation, flood control, and recreational opportunities. However, the construction of dams and reservoirs can disrupt local ecosystems, impacting fish populations and other wildlife. The Lower Monumental Dam has been involved in various initiatives aimed at mitigating these ecological effects, including fish passage programs that facilitate the migration of salmon and other species.
Regionally, the Lower Monumental Power Plant plays a crucial role in the Pacific Northwest's energy infrastructure. It not only provides electricity to millions of households and businesses but also supports the stability of the regional power grid. The plant works in concert with other hydroelectric facilities along the Columbia and Snake Rivers, allowing for a balanced and reliable energy supply. During peak demand periods, the ability to quickly ramp up electricity production makes hydropower an essential resource for meeting the energy needs of the region.
Overall, the Lower Monumental Hydroelectric Power Plant exemplifies the benefits of utilizing renewable energy sources. Its operational efficiency, combined with its contributions to local and national energy stability, underscores the importance of hydropower in the broader context of the United States' commitment to sustainable energy solutions. As the country continues to navigate the complexities of energy production and environmental stewardship, facilities like Lower Monumental will remain pivotal in shaping a cleaner, more reliable energy future.
United States of America — Energy Profile
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