Interconnection queueCaliforniaSan Diego County › Storage

Storage Projects in San Diego County, California

Snapshot of 2026-08-06 · 91 projects

91 storage projects are in the interconnection queue in San Diego County, California, totalling 12,138 MW across the 91 that publish a capacity.

Grouped from the ISOs' own fuel codes — see the mapping. Codes we could not match to a published definition are left unclassified rather than assigned here.

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By ISO

ISOProjectsCapacity
CAISO9112,138 MW

By fuel code, as published

FuelProjectsCapacity
Battery8911,138 MW
Pumped-Storage hydro21,000 MW

By status, as published

StatusProjects
WITHDRAWN74
COMPLETED12
ACTIVE5

Largest projects with published capacity

The 12 highest-capacity rows in this page's exact scope, ordered by the capacity the ISO published. Projects without a published capacity are not ranked here and remain included in the totals above.

ProjectISOMWStatusQueue dateProposed operation
CHARGER STORAGE
ID 2174
CAISO600WITHDRAWN2021-04-15not published
SAN VICENTE ENERGY STORAGE FACILITY
ID 1533
CAISO500WITHDRAWN2018-04-16not published
SV ENERGY STORAGE FACILITY
ID 1674
CAISO500WITHDRAWN2019-04-15not published
NCC HYBRID POWER
ID 1055
CAISO444WITHDRAWN2014-04-30not published
SEGURO STORAGE
ID 1821
CAISO400WITHDRAWN2020-04-15not published
PAVION
ID 2163
CAISO400WITHDRAWN2021-04-15not published
EAST FIELD ENERGY STORAGE
ID 1810
CAISO300ACTIVE2020-04-15not published
NIGHTHAWK STORAGE
ID 1673
CAISO300COMPLETED2019-04-15not published
GYPSY ESS 2
ID 1813
CAISO300WITHDRAWN2020-04-15not published
AMBER RAY
ID 2155
CAISO300WITHDRAWN2021-04-15not published
GNARLY OSAGE
ID 2157
CAISO300WITHDRAWN2021-04-15not published
JAPATUL VALLEY STORAGE
ID 2170
CAISO300WITHDRAWN2021-04-15not published

Where each number came from

ISOWe last readSource last changedSource
CAISO2026-08-062026-08-06 (changed this snapshot)source file

Compiled from each ISO's own published interconnection queue report. Queue position is not a permit, a contract, or a guarantee that a project will be built; most projects in every queue are eventually withdrawn. Figures are reproduced as published, are provided for informational purposes only, and carry no warranty of accuracy or completeness. Always verify against the ISO's own report before relying on any figure.

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