Large solar thermal systems need large heat storage capabilities. Especially if the solar heat is to contribute significantly more than 25 % to a district heating network. Pit thermal energy […]
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 […]
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 […]