Solar Plant_CA_5mw_Sierra Sun Tower_SCE_eSolar

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Download the Sierra SunTower Fact Sheet
About Sierra SunTower

Sierra SunTower supplies 5 MW of clean, renewable energy to the grid. The full-scale power plant, the only commercial CSP tower in the United States, supplies electricity to Southern California Edison (SCE) and will power up to 4,000 homes.

Quick Facts
  • 2 modules
  • 20 acres
  • 2 towers
  • 2 65-ton natural recirculation thermal receivers
  • 1 refurbished 1947 GE steam turbine generator
  • Steam temperature 440° C
  • Steam pressure 60 bar
  • 24,000 mirrors reflecting the power of 20,000 suns
  • 5 MW of clean, renewable energy supplied to 4,000 Southern California Edison households through a power purchase agreement
  • Only operating solar thermal power tower plant in the US

  • Benefits
    • Southern California Homes – Sierra SunTower will produce 5 MW of electricity powering up to 4,000 homes.
    • Job Creation – The project created over 250 construction jobs and 21 permanent jobs.
    • Local Community – Sierra SunTower provides a new local tax base, as well as direct and indirect economic benefits during development, construction and operation.
    • Greenhouse Gases – 5 MW of clean solar power generation will offset more than 7,000 tons of CO2 each year.
    • Clean and Reliable – Efficient and clean solar power is reliably available during peak demand.
Environmental Facts
The 5 MW output of Sierra SunTower will reduce CO2 emissions by 7,000 tons per year. For perspective, Sierra SunTower’s annual impact is equivalent to:
  • Planting 5,265 acres of trees
  • Removing 1,368 automobiles from the road
  • Saving 650,000 gallons of gasoline
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