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Preliminary 2025 facility recordOperating

Ontario, CA · EIA plant 65456

Separator (Etiwanda) BESS

Separator (Etiwanda) BESS is a storage power facility in Ontario, CA, with 113 MW of operating capacity.

Open on mapView CA profileOpen EIA source
Operating capacity113 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilitySouthern California Edison CoEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage113 MW
ProposedNo proposed capacity reported
Reported technologiesBatteries

Nearby in CA

Related facilities

CA · 0.1 miGrapeland Hybrid60 MW →CA · 0.6 miFoundation IE1 MW →CA · 0.7 miSunE Rochester1 MW →CA · 0.9 miEtiwanda24 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