Helms Pumped Storage Project

Serial Information: Civil Engineering—ASCE, 1985, Vol. 55, Issue 7, Pg. 50-50

Document Type: Feature article


The powerhouse at California's Helms Pumped Storage Project is 1,200 ft below the surface of the Sierra Nevada mountains. Linking existing reservoirs, the project provides 1,200 Mw of electrical peaking capacity. More than 1 million cu yd of granite was excavated. The 1,800 ft inclined shaft is one of the largest of its type ever excavated and concreted. OCEA nominee.

Subject Headings: Waste storage | Energy storage | Excavation | Power plants | Mountains | Reservoirs | Shafts | Concrete | Nevada | United States

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