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Preliminary 2025 facility recordOperating

San Diego, CA · EIA plant 63834

Gateway Energy Storage System

Gateway Energy Storage System is a storage power facility in San Diego, CA, with 250 MW of operating capacity.

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Operating capacity250 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityGateway Energy Storage, LLCEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage250 MW
ProposedNo proposed capacity reported
Reported technologiesBatteries

Nearby in CA

Related facilities

CA · 0.5 miPio Pico Energy Center395 MW →CA · 0.8 miOtay Mesa Generating Project711 MW →CA · 0.9 miAmazon - SAN53 MW →CA · 1.4 miAmazon SAN3 Solar Project7 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source