United States of America

Folsom— 198.6 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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Folsom Powerplant, positioned as the 1437th largest power generation facility in the United States, is a significant hydroelectric plant with a capacity of 198.6 MW. This facility is notable for its historical impact, having been commissioned in 1954, and it remains an integral part of the U.S. water-based energy infrastructure. It ranks 102nd among 1469 hydro plants across the country, highlighting its importance within the hydropower sector. Folsom contributes approximately 0.01% to the total national capacity of 1,386,385 MW, a landscape predominantly fueled by gas. Utilizing the gravitational potential of water flowing through the American River, Folsom Powerplant operates on the principles of hydroelectric generation, where kinetic energy from falling water is converted into electrical energy. This technology is vital for providing a stable and renewable source of energy, especially in regions where water availability aligns with energy needs. The surrounding area features an array of power generation facilities, including the Rancho Seco Nuclear Generating Station, which boasts a substantial capacity of 918 MW. Nearby, the Cosumnes Power Plant operates on gas with a capacity of 556.8 MW, showcasing the diverse energy portfolio in the vicinity. Additionally, the Folsom Powerplant itself shares its name with another hydro facility on the same site, further emphasizing the area's reliance on water-driven energy production. These plants collectively form a robust local energy grid, ensuring reliability and support for the larger California energy market. As part of the national energy profile, the United States comprises over 10,000 plants, with a diverse mix of energy sources. While gas dominates the current landscape, hydroelectric power remains a critical component, particularly in states like California, known for its significant water resources and environmental initiatives. Folsom’s role is pivotal in maintaining this balance, providing clean energy while supporting local ecosystems. Operated by the U.S. Bureau of Reclamation, the Folsom facility exemplifies the enduring legacy of hydroelectric power in the U.S. energy strategy. As the nation moves toward a greener future, the Folsom Powerplant represents the potential for renewable energy to play an increasingly prominent role in meeting energy demands. The facility not only supports local energy needs but also serves as a model for sustainable energy practices that can be replicated across the country.