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

BATTERY STORAGE

Sweeny

Sweeny is a 9.9 MW operating battery storage site in Brazoria County, Texas, operated by Engie North America. Its batteries store up to 10 MWh.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingApr 2021 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
SWNYBatteries9.9 MW
10 MWh
OperatingApr 2021

Plant details

Operator
Engie North America
Location
Brazoria County, Texas
Balancing authority
ERCO
Sector
IPP Non-CHP
Capacity
Operating: 9.9 MW
First unit online
Apr 2021
EIA plant ID
64321

Location

29.0556, -95.6872

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