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United States › Power plants › Battery storage › California

BATTERY STORAGE · SOLAR FARMS

Overnight Solar

Overnight Solar is a 300 MW under construction power plant in San Bernardino County, California, operated by Overnight Solar LLC.

Plant statusUnder construction
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (current stage)
  4. OperatingTarget Jan 2027 (not yet reached)
  5. Closed (not yet reached)

Planned start of operation reported to EIA: Jan 2027.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
OSBABatteries150 MW Under construction (over 50%)Target Jan 2027
OSPVSolar Photovoltaic150 MW Under construction (over 50%)Target Jan 2027

Plant details

Operator
Overnight Solar LLC
Location
San Bernardino County, California
Balancing authority
CISO
Sector
IPP Non-CHP
Capacity
Under construction: 300 MW
EIA plant ID
68932

Location

35.0162, -117.3570

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem