Power Plants

Austin Energy Power Plant Decker

Austin Energy oversees a diverse mix of more than 3,000 MW of total generation 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
  • Capacity: 927 MW

Fayette Power Project

  • Constructed: 1979-1980
  • Location: La Grange, TX
  • Fuel: Coal
  • Capacity: 602 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
  • Capacity: 570 MW

South Texas Project

  • Constructed: 1988-89
  • Location: Bay City, TX
  • Fuel: Nuclear
  • Capacity: 436 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 and South Texas
  • Capacity: 850 MW (as of May 2013)

Source: Solar farms

  • Location: Webberville
  • Capacity: 30MW
  • Austin Energy has a 25-year purchase power agreement for all 30 MW with plant owners MetLife and Longsol; True South Renewables operates and maintains the plant

Source: Solar, local distributed generation

  • Various locations: Combined generation from municipal, commercial, and residential installations
  • Capacity: 22 MW-ac (as of September 2014)

Source: Biomass

  • Nacogdoches Power Project
  • Location: Nacogdoches, TX
  • Output: 100 MW

Source: Methane from landfills

  • Location: San Antonio
  • Capacity: 7.8 MW
Last Updated: 5/9/18

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