Policies and Business Models for Solar Thermal District Heating Systems

Le résumé fourni par la source

Large solar heating installations can have a significant contribution to renewable heat supply in many countries. It is a renewable technology without direct CO2-emissions, which can have various basic system layouts: - Directly providing heat to an end-user, through residential, commercial or industrial installations. - Indirectly providing heat to many end-users through a solar district heating (SDH) network. - Indirectly providing heat through a SDH network with seasonal heat storage and a heat pump. In all three system layouts solar thermal heat is competing with a conventional heat supply, which may require additional support for the solar option, depending on the local climate and technical configuration. As solar thermal is a renewable technology without direct CO2-emissions, countries may decide to apply generic or specific support policies.

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