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storage facility

Muddy Run Pumped Storage Facility is a pumped-storage hydroelectric generation facility in Drumore Township, Pennsylvania, USA. When completed in 1968[1], Muddy Run was the largest pumped-storage facility in the world. The facility is operated by Susquehanna Electric Company, a subsidiary of Exelon.

The facility's upper reservoir is the 1,000 acre (405 ha) Muddy Run Reservoir, with a full pool elevation of over 500 feet (152 m). Permitted Use. Muddy Run Reservoir was created by damming Muddy Run with a 4,800 foot (1,463 m) long, 250 foot (76 m) high, rock filled dam[1]. The lower reservoir is the Conowingo Reservoir, created in the Susquehanna River by the Conowingo Dam, with a normal pool elevation of 109 feet (33 m). The power house uses excess grid capacity during off peak hours to pump water from the Conowingo Reservoir into the upper reservoir through four 25 foot (7. 6 m) diamter, 343 vertical foot (105 m) shafts. Explore our extraordinary salt mine facility - 650 feet.