United States of America

J S Eastwood— 199.8 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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J S Eastwood holds the distinction of being the 101st largest hydroelectric plant in the United States, with a capacity of 199.8 MW. While it ranks 1424th among the nation's 10,047 power generation facilities, its role in harnessing renewable energy is vital, especially in a country where the dominant fuel type is natural gas. Contributing a mere 0.01% to the national capacity of 1,386,385 MW, J S Eastwood plays an integral part in California's energy landscape, underscoring the importance of hydropower as a sustainable energy source. The technical specifications of J S Eastwood showcase the effectiveness of hydroelectric technology, which converts the kinetic energy of flowing water into electricity. This facility, commissioned in 1988, utilizes a series of turbines to generate power, making it a reliable source of renewable energy. Hydroelectric plants like this are known for their low emissions and ability to provide base-load power, thus helping to stabilize the grid amidst fluctuations in demand. Situated among a cluster of hydroelectric plants, J S Eastwood is surrounded by nearby facilities such as Helms Pumped Storage (1053 MW), Mammoth Pool (190 MW), and Big Creek 3 (174.5 MW). This regional concentration of hydroelectric power generation highlights the importance of water resources in California's energy mix and emphasizes the collaborative effort of multiple plants to meet local demands. The proximity to other hydro power facilities allows for efficient resource management and contributes to grid reliability. In the broader context of the United States energy profile, the dependence on natural gas as the primary fuel source reflects a significant challenge in transitioning to cleaner energy. J S Eastwood's contribution to the national capacity showcases the potential of hydropower to play a more prominent role in achieving a balanced energy portfolio. By integrating hydroelectric plants into the overall energy strategy, California can work toward reducing its carbon footprint and enhancing energy security. Operated by Southern California Edison Co, J S Eastwood exemplifies the ongoing commitment to renewable energy development in the state. As the nation continues to explore innovative solutions for sustainable energy, J S Eastwood stands as a testament to the enduring significance of hydroelectric power in achieving a greener future, providing a reliable and clean source of energy for generations to come.