Whale Rock Pumped Storage Hydro Project (66685_WH003)

Whale Rock Pumped Storage Hydro Project is a 200.0 MW battery interconnection project in San Luis Obispo, California with a current status of active.

200.0 MWCapacity
ActiveStatus
CISOMarket
BatteryTechnology

Project facts

Canonical nameWhale Rock Pumped Storage Hydro Project
Queue ID66685_WH003
Statusactive
Source status(P) Planned for installation, but regulatory approvals not initiated
MarketCISO
TechnologyBattery
Capacity200.0 MW
StateCalifornia
CountySan Luis Obispo
Point of interconnection
Requested (queue) date
Proposed in-service date2027-07-01
Operational date
Withdrawn date
Developer
Utility / transmission ownerPremium Energy Holdings

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-02new_projectactivehigh

Explore related data

Source last checked2026-08-03
Data last materially changed2026-08-03
Page data generated2026-08-27

Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned). Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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