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United States › Power plants › Battery storage › Texas

BATTERY STORAGE

SME Mission II BESS

SME Mission II BESS is a 10.0 MW operating battery storage site in Hidalgo County, Texas, operated by SMT Mission II LLC. Its batteries store up to 10 MWh.

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

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
SMTM2Batteries10 MW
10 MWh
OperatingJan 2025

Plant details

Operator
SMT Mission II LLC
Location
Hidalgo County, Texas
Balancing authority
ERCO
Sector
Commercial Non-CHP
Capacity
Operating: 10.0 MW
First unit online
Jan 2025
EIA plant ID
69366

Location

26.1681, -98.3245

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