Large-scale greenhouses

Heat customer introduction



  • Large-scale greenhouse of 2 hectares producing tomatoes
  • Ongoing transition to the organic label


Principle of solar thermal integration


  • Hot water network heating for greenhouses climate control
  • Fossil fuel saved: Gas


Key innovation 

  • Optimization of operations of the solar thermal plant and the existing biomass boiler to achieve a renewable energy rate higher than 90%
  • Pooling of the storage tank to improve the operation of the biomass boiler in winter


Project key figures

March 2021

targeted work initiation date

1,000 m³

hot water storage volume

4,000 m²

solar thermal collector surface on trackers

About 2,500 MWh

expected annual production

700 tonnes

of CO2 emissions avoided per year

Large-scale greenhouse, Study case