United States of America

Lay Dam— 177 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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With a capacity of 177 MW, Lay Dam ranks as the 1512th largest power generation facility in the United States, contributing a modest 0.01% to the nation's total generation capacity of 1,386,385 MW. Situated in Alabama, this hydroelectric facility stands out not only for its generation capacity but also for its reliance on renewable energy, making it a significant player in the state's energy portfolio. Commissioned in 1967, Lay Dam exemplifies the long-standing tradition of hydroelectric power in the region, utilizing the potential energy of flowing water to generate electricity efficiently and sustainably. The facility's location within a rich energy landscape is worth noting, as it is surrounded by several notable gas plants, including the E. C. Gaston Power Station, which boasts a capacity of 2034 MW, making it one of the largest in the vicinity. Other nearby gas plants, such as the Tenaska Lindsay Hill Generating Station (939.4 MW) and Tenaska Central Alabama Generating Station (927.1 MW), further emphasize the gas-dominated energy profile of Alabama. The presence of the Walter Bouldin Dam, another hydroelectric facility with a capacity of 225 MW, presents a unique comparison, showcasing the balance between gas and hydro resources in the local energy mix. In the context of the national energy profile, the U.S. features a total of 10,047 plants, with natural gas as the leading fuel type. Lay Dam's position as the 113th largest hydro plant out of 1469 nationwide highlights its role in promoting renewable energy within an otherwise gas-heavy landscape. While its contribution to the overall national capacity may be small, Lay Dam signifies a critical component of Alabama's energy strategy, particularly as the state seeks to diversify its energy sources and integrate more renewables into the grid. Owned and operated by Alabama Power Co., Lay Dam has been a consistent contributor to the regional grid for over five decades. As the push for cleaner energy continues, the dam is poised to play an increasingly vital role in meeting both environmental goals and energy demands. Its ability to harness hydroelectric power positions it as an essential asset, contributing to a more balanced and sustainable energy future for Alabama.