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United States › Power plants › Battery storage › California

BATTERY STORAGE

Iron BESS

Iron BESS is a 59.5 MW under construction battery storage site in Fresno County, California, operated by Panoche BESS LLC.

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

Planned start of operation reported to EIA: Apr 2027.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
IROBBatteries60 MW Under construction (over 50%)Target Apr 2027

Plant details

Operator
Panoche BESS LLC
Location
Fresno County, California
Balancing authority
CISO
Sector
IPP Non-CHP
Capacity
Under construction: 59.5 MW
EIA plant ID
68924

Location

36.6527, -120.5783

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