Solar District Heating – Fundamental Correlations regarding Energy and Economics

摘要

Two solar district heating systems have been dynamically simulated: a central solar heating plant with tank thermal energy storage and a distributed solar district heating plant. The main parameters have been varied for each system. The analysis and assessment of the results from the over 200 000 simulations allow a good overview of the influence of different parameters on the performance and economics of the two systems, and therefore of the potential of solar district heating. The SDH Online-Calculator (http://www.sdh-online.solites.de) developed by Solites is based on the simulations. It is available for market actors as user-friendly program for first system dimensioning and performance and economics calculations.