York Haven is a 19.6 MW run-of-river hydroelectric project on the Susquehanna River in south central Pennsylvania. York Haven began commercial operations in 1901, making it one of the oldest hydroelectric projects in America. The facility is equipped with 13 horizontal Francis turbines, 4 vertical Kaplan turbines, and 3 vertical propeller units. York Haven produces a long term average generation of 135,485 MWh of clean electricity annually, which is enough to power 13,027 homes.
From October 6 to 9, 2026, York Haven Power Company plans to lower Lake Frederic, the reservoir upstream of the York Haven dam, for dam safety inspections required by the Federal Energy Regulatory Commission. Required minimum flows at the dam will be maintained. If needed, the work might continue into the week of October 12 - 16.
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