seasonal pit heat storage

  • Improved design for giga-size pit heat storage

    Improved design for giga-size pit heat storage

    Denmark’s cost-effective, tried-and-true seasonal pit heat storage concept needs to be modified if it is to be implemented across Europe, since district heat temperatures are higher and groundwater may be only 5 to 15 metres from the surface. The members of research platform Task 55 (...
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  • Seasonal pit heat storage: Cost benchmark of 30 EUR/m³

    Seasonal pit heat storage: Cost benchmark of 30 EUR/m³

    Denmark has had a successful learning curve regarding to the cost and efficiency of seasonal pit heat storage, which is used to store sunlight in summer for heating purposes in winter. Take Sunstore 3, for example, a 60,000 m³ pit heat storage system built at a cost of 38 EUR/m³ of storage...
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