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United States › Power plants › Solar farms › Arizona

SOLAR FARMS · BATTERY STORAGE

Harquahala 2

Harquahala 2 is a 600 MW operating solar and battery storage plant in Maricopa County, Arizona, operated by Copia Power. Its batteries store up to 1,200 MWh.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingApr 2025 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
PV1Solar Photovoltaic300 MW OperatingApr 2025
BESS1Batteries300 MW
1,200 MWh
OperatingApr 2025

Plant details

Operator
Copia Power
Location
Maricopa County, Arizona
Balancing authority
AZPS
Sector
IPP Non-CHP
Capacity
Operating: 600 MW
First unit online
Apr 2025
EIA plant ID
67474

Location

33.4600, -113.1100

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