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United States β€Ί Power plants β€Ί Battery storage β€Ί Arizona

BATTERY STORAGE Β· SOLAR FARMS

Serrano

Serrano is a 384 MW operating power plant in Pima County, Arizona, operated by Serrano Solar, LLC. Its batteries store up to 855 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
GEN02Batteries214 MW
855 MWh
OperatingApr 2025
GEN01Solar Photovoltaic170 MW OperatingApr 2025

Plant details

Operator
Serrano Solar, LLC
Location
Pima County, Arizona
Balancing authority
AZPS
Sector
IPP Non-CHP
Capacity
Operating: 384 MW
First unit online
Apr 2025
EIA plant ID
67503

Location

32.5024, -111.3037

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