Elephant Rock Neptune Pumped Storage 1 is a significant energy project operated by Rye Development, under the ownership of US Renewables Group. Located in Sixes, Oregon, this facility is situated within the Bonneville Power Administration’s power control area. With a capacity of 318 megawatts, the project utilizes advanced pumped storage technology, primarily harnessing water as its fuel source. As an unregulated project, it operates outside the traditional regulatory framework, allowing for greater flexibility in its operations. The expected online year for this project is currently not available.