United States

Helms Pumped Storage — 1,053 MW Hydroelectric

Hydroelectric Renewable Verified

Helms Pumped Storage is a 1,053 MW hydro power plant located in United States of America. View location, capacity, and technical details.

Capacity
1,053 MW

Installed

Commissioned
1984

Year online

Owner
Pacific Gas & Electric Co.

Operator

Location
37.03, -118.97

Coordinates

Insights

#370
largest in %s
#323
largest %s worldwide
#2,302
largest worldwide
1984
at fleet average
81
operated by %s
86
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
1,053 MW
Commissioned
1984
Status
Operational
Owner
Pacific Gas & Electric Co.
Country
United States
Coordinates
37.029, -118.968

Estimated Carbon Footprint

Annual CO₂
88,553 t

tonnes / year

Lifetime CO₂
7.1M t

over ~%d yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

19,251
cars / year
11,807
homes / year
4M
trees to offset

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

Nearby Stations

About this plant

The Helms Pumped Storage Power Plant, located in California, USA, is a significant facility in the realm of renewable energy generation. Commissioned in 1984 and operated by Pacific Gas & Electric Co., this pumped storage hydroelectric plant has a total capacity of 1053 megawatts (MW). It plays a critical role in balancing supply and demand within the electrical grid, providing both energy storage and peak load generation capabilities. As a hydroelectric power plant, Helms utilizes the gravitational potential energy of water to generate electricity, making it an essential component of the country’s efforts to transition to cleaner energy sources.

Pumped storage works by utilizing two water reservoirs at different elevations. During periods of low electricity demand or excess generation, excess energy is used to pump water from the lower reservoir to the upper reservoir. When demand increases, the stored water is released back down through turbines, generating electricity. This cyclical process allows Helms to act as a large-scale battery, storing energy when it is plentiful and releasing it when needed. The plant’s ability to respond quickly to fluctuations in electricity demand makes it an invaluable asset in maintaining grid stability and reliability, particularly in a region where renewable sources like solar and wind are becoming more prevalent.

In terms of its environmental impact, Helms Pumped Storage leverages hydroelectric power, which is one of the cleanest forms of energy generation. It produces no direct emissions during operation, contributing to a reduction in greenhouse gas emissions compared to fossil fuel-based power plants. However, it is important to acknowledge the potential ecological effects associated with the construction and operation of such facilities, including impacts on local ecosystems, water quality, and fish populations. The management of these environmental considerations is critical for the sustainable operation of the plant and the surrounding region.

Regionally, the Helms Pumped Storage Power Plant is significant not only for its energy contributions but also for its role in supporting the California electricity market. As the state continues to face challenges related to energy demand, climate change, and the integration of intermittent renewable resources, facilities like Helms become increasingly vital. They enable the efficient use of renewable energy, support grid resilience, and help avoid blackouts during peak demand periods.

Overall, the Helms Pumped Storage Power Plant exemplifies the potential of hydroelectric energy to provide reliable, clean, and flexible electricity generation. As the United States continues to pursue a more sustainable energy future, the importance of such facilities will only grow, highlighting the need for continued investment in and development of renewable energy infrastructure.

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