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Helms Pumped Hydro
Pumped Hydro
Capacity (MW):
1,212.00
Status:
Operating
Locations:
California, USA
Fresno County, California, USA
Description:
Helms came on line in 1984 in the Sierra Nevada Mountains 50 miles east of Fresno. It features two reservoirs, four miles of tunnels between them, and three pump-generators that can produce enough electricity to power the cities of Fresno and Oakland. Helms' three turbine-generators were refurbished in 2012.
Analyst Notes:
Development Timeline:
Time of Change
Year of Change
Status
Capacity
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1,212.00
Companies Involved:
Company Name
Company Role
Pacific Gas & Electric (PG&E)
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Pacific Gas & Electric (PG&E)
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Pacific Gas & Electric (PG&E)
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News:
