Whale Rock Pumped Storage Hydro Project

Cayucos, California

Capacity
600 MW
Status
Planned
Fuel
Hydroelectric
Technology
Hydroelectric Pumped Storage
Operator
Premium Energy Holdings
City
Cayucos
County
San Luis Obispo County
State
California
Expected online
July 2027
Balancing authority
CISO

Whale Rock Pumped Storage Hydro Project is a 600 MW hydroelectric power plant in Cayucos, California. Operated by Premium Energy Holdings, it is planned to come online around July 2027. The facility is located in San Luis Obispo County, within the CISO balancing authority.

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Nearby hydroelectric plants in California

Source: U.S. Energy Information Administration (EIA-860M)