Central receiver plant NOORo III

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Planta termosolar torre central NOORo III
Planta termosolar torre central NOORo III
Planta termosolar torre central NOORo III
Planta termosolar torre central NOORo III
  • Client: ACWA POWER
  • Country: Morocco
  • Contract type: EPC
  • Start date: 2015
  • Ending date: 2018
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Central receiver plant NOORo III, Ouarzazate, Morocco.

Following NOORo I, SENER is s in the start-up phase on NOORo II, which is rated at 200 MWe and has molten salts storage capacity, and in which SENER’s second generation of parabolic troughs – the SENERtrough®-2 system – had been installed, as they are in NOORo III, in the final phase of construction, rated at 150 MWe.

In contrast to the others, this plant will have a central tower with heliostats and a salt receiver, in the same configuration as that successfully applied by SENER at Gemasolar, in Seville (Spain). NOORo II, which is seven times larger, is the natural evolution from this pioneering facility and will include advances such as a larger heliostat, designed and manufactured by SENER.

  • 150 MWe of power and 7.5 hours of thermal storage
  • Enough solar power to meet the demands of 120,000 homes per year
  • NOORo III will avert annual emissions of 130,000 metric tons of COinto the atmosphere
  • Project data:
  • Technology: Central tower.
  • Tower height: 250 m.
  • Total reflective area: 1,300,000 m2.
  • Surface area of the solar field: 550 Ha.
  • Turbine power capacity: 150 Mwe.
  • Thermal storage capacity (equivalent hours of turbine operation): 7.5 h.
  • Number of heliostats: 7,400.
  • Receiver thermal power: 660 MWt.
  • Heat transfer fluid: Molten nitrate salts (300ºC – 565ºC).
  • Contract type: EPC. 
  • how it Works
  • Heliostats
    Solar light is reflected by the heliostats towards the receiver, located on top of the tower.
  • Tank 1
    Molten salts, at 300ºC, are pumped from the cold molten salt tank to the receiver.
  • Tower
    Inside the receiver, molten salts are heated up to 565ºC before being stored in the hot molten salt tank.
  • Tank 2
    The hot molten salt tank keeps the energy accumulated in form of molten salts at very high temperature.
  • Steam generator
    The hot molten salts are delivered to the steam generation system, where they transfer their heat to the water, reducing their temperature.
  • Turbine
    The heat transferred transforms the water into high pressure steam to move the turbine.
  • Air cooled condenser
    The steam that leaves the turbine is condensed becoming water that is again incorporated into the cycle. Using an air cooled condenser, reduces the water consumption of the plant in more than 80%.
  • Electric Generator
    The electricity is delivered to a transformer to be injected into the distribution grid.

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