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Parabolic trough plants Extresol 1, 2 & 3

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Central de generación termosolar Extresol (EXTREMADURA) Extresol solar heating plant a turnkey project in Extremadura
Central de generación termosolar Extresol (EXTREMADURA)
Extresol solar heating plant a turnkey project in Extremadura
  • Client: SENER - COBRA consortium
  • Country: Spain
  • Start date: 2007
  • Ending date: 2012
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Extresol 1, 2 and 3 solar power plants 50 MWe in Badajoz, Spain.

The Extresol complex is made up of three identical 50-MWe solar power plants with SENERtrough® parabolic troughs, a technology patented by SENER. The consortium formed by Cobra and SENER executed the EPC contract for the three plants, for which SENER has been responsible for all the engineering.

  • Operational:
  • Extresol 1: Since 2009
  • Extresol 2: Since 2010
  • Extresol 3: Since 2012

These plants are equipped with SENER’s own technology, the molten salt thermal energy storage system, as well as the field of SENERtrough® solar collectors.

  • Project data:
  • Technology: SENERtrough® parabolic trough collectors.
  • Total mirror surface area: 3 x 510,000 m2
  • Number of SCAs/loops: 3 × 624/156.
  • Surface area of the solar field: 3 × 198 ha.
  • Solar field nominal capacity: 3 × 262 MWt
  • Thermal storage capacity: 3 × 1,010 MWht (7h)
  • Turbine nominal capacity: 3 × 50 MWe
  • Efficiency of the cycle: 38%
  • Annual direct normal irradiance: 2,166 KWh/m2

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