Seminoe Pumped Storage is a significant energy project located in Hanna, Wyoming, with a planned capacity of 900 megawatts. Operated by rPlus Hydro LLLP and owned by rPlus Energies, a subsidiary of Gardner Company LC, this facility utilizes advanced pumped storage technology, harnessing water as its primary fuel source. The project is currently classified as unregulated under U.S. regulatory standards and is situated within the PacifiCorp E+W power control area. Seminoe Pumped Storage is expected to come online in 2031, contributing to the region’s energy infrastructure and supporting renewable energy integration.
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