USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordProposed

Hinkley, CA · EIA plant 68932

Overnight Solar

Overnight Solar is a storage power facility in Hinkley, CA, with 300 MW of proposed capacity.

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Operating capacity0 MW0 operating generators
Proposed capacity300 MW2 proposed generators
UtilityOvernight Solar LLCEIA-reported operator
Balancing authorityCISOCalifornia Independent System Operator

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Storage150 MW
Solar150 MW
Reported technologiesBatteriesSolar Photovoltaic

Nearby in CA

Related facilities

CA · 1.0 miLockhart Solar PV, LLC169 MW →CA · 1.0 miMojave Solar Project280 MW →CA · 1.1 miLockhart ESS, LLC45 MW →CA · 1.5 miLockhart Solar PV IV, LLC80 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