Lyon Mountain Pumped Storage is a significant energy project located in Lyon Mountain, New York, with a capacity of 240 megawatts. Operated by Hull Street Energy, this facility utilizes advanced pumped storage technology, primarily harnessing water as its fuel source. The project is currently unregulated and is owned by Moriah Hydro Corporation, which is a subsidiary of Albany Engineering Corp. Lyon Mountain Pumped Storage plays a crucial role within the New York Independent System Operator’s power control area, contributing to the region’s energy stability and efficiency. The project is not expected to come online in the near future, as indicated by the absence of a specified operational year.