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Institute of New Energy Systems

Europe: Performance and Cost Comparisons of Larger Residential Solar Thermal Systems

Submitted by Baerbel Epp on December 2, 2014
As solar thermal installations have been a rare sight at Germany’s multi-family houses, the country’s Institute of New Energy Systems (InES) at the University of Applied Sciences in Ingolstadt took a closer look at Europe’s currently available larger solar thermal systems for domestic hot water and space heating. Daniel Beckenbauer, researcher at InES, counted 29 German collector installations above 100 m², as well as 47 systems in other European countries by surveying existing literature, web-based monitoring and other research programmes. Beckenbauer chose parameters such as solar share, investment costs and solar heat prices to compare these systems and to analyse the system designs offered on the market today. The chart above shows the monitored solar share based on the system’s specific storage volume. Because there are great differences in this volume between the surveyed projects, the x-axis has been divided logarithmically, spreading from 0.01 litre per MWh consumed heat per year (1E-05) to 100 m³ per MWh annually (1E+02).
Figures: Institute of New Energy Systems (InES)
 

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