Power Plants

Traditional and Renewable Generation in Our Mix

Sand Hill Energy Center

Austin Energy oversees a diverse mix of more than 4,600 MW of total generation capacity and operates three natural gas powered plants in the Austin area.

We are also part owners of two power plants outside Austin — one is powered by coal, the other by nuclear fuel. Purchase Power Agreements are in place for the remainder of our generation portfolio, namely for our renewables.

Decker Creek Power Station

  • Constructed: 1967-78
  • Location: Northeast Austin
  • Fuel: Natural gas; gas turbines
  • Capacity: 200 MW

Fayette Power Project

  • Constructed: 1979-1980
  • Location: La Grange, TX
  • Fuel: Coal
  • Capacity: 600 MW (Austin Energy's portion)
  • Co-owned with the Lower Colorado River Authority (LCRA); Austin Energy portion is 50% of two out of three units; LCRA manages the plant

Mueller Energy Center

  • Constructed: 2006
  • Location: Austin, TX
  • Fuel: Natural gas
  • Capacity: 4.6 MW
  • Combined Heat & Power (CHP) Facility

Sand Hill Energy Center

  • Constructed: 2001-2010
  • Location: Del Valle, TX
  • Fuel: Natural gas, combined cycle, gas turbines
  • Capacity: 595 MW

South Texas Project

  • Constructed: 1988-89
  • Location: Bay City, TX
  • Fuel: Nuclear
  • Capacity: 430 MW
  • Co-owner with CPS San Antonio and NRG of 16% of two units, generating 2,700 MW combined; South Texas Project Nuclear Operating Company (STPNOC) manages the plant

Renewable Energy

Source: Wind farms

  • Location: West Texas, South Texas, Panhandle, and Coastal
  • Capacity: 1,796 MW

Source: Solar farms

  • Location: West Texas and Central Texas
  • Capacity: 966 MW

Source: Solar, local customer-sited distributed generation

  • Location: Municipal, commercial, and residential installations in Austin Energy's service territory
  • Capacity: 103 MW

Source: Biomass

  • Nacogdoches Power Project
  • Location: Nacogdoches, TX
  • Capacity: 105 MW
Date last reviewed or modified: 5/23/22

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