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  • Projects
  • Large-scale greenhouse

Greenhouse in biological transition (Bretagne Region)

Key Figures

  • Start of Work (target)

    March 2022

  • Solar thermal collector surface on trackers

    4,000 m²

  • hot water storage volume

    1,000 m³

  • Expected annual production

    About 2,500 MWh

  • CO2 emissions avoided per year

    700 Tons

  • 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

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