This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 691624
Smart solar district heating is developing in Denmark. Smart solar district heating combines large solar collector fields, heat pumps, seasonal heat storage and CHP units. Such systems allow to ‘utilize’ (read earn money on) the very dynamic electricity prices (due to the high ‘wind fraction’) in Denmark.
Two very large solar district heating systems are underway in Denmark (Dronninglund and Marstal). Each system is combining approx. 35 000 m² (25 MW) of solar collector field, approx. 70 000 m³ of seasonal storage (water pit), heat pump and combined heat & power production unit. Combining the technologies makes high solar fractions attractive also from a cost benefit point of view. The solar fraction in these systems will be 30 - 50 %. The technologies work together and benefit from each other as shown in the figure below.
Figure showing in principle how the technologies could be combined and work together
Save the date! The 5th International Solar District Heating Conference will take place on 11 and 12 April 2018 in Graz, Austria.
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Discover other european RTD and policy projects related to solar district heating: