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Preliminary 2025 facility recordProposed

Poway, CA · EIA plant 65889

Nighthawk Energy Storage, LLC

Nighthawk Energy Storage, LLC is a storage power facility in Poway, CA, with 300 MW of proposed capacity.

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Operating capacity0 MW0 operating generators
Proposed capacity300 MW1 proposed generators
UtilityNighthawk Energy Storage, LLCEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Storage300 MW
Reported technologiesBatteries

Nearby in CA

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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