The solar thermal industry has finally seen an upward trend in installed collector area in Germany since 2020, which has also been largely driven by solar thermal integration into heating networks. If this increase is continued, there still remains a significant gap to the forecast values that many studies assign to solar thermal on the path to achieving the goals of the Paris Climate Agreement. What is the reason for this and what is the current state of research, development and system integration of solar thermal heat supply? We talk about this with Dr. Karin Rühling from the Institute for Energy Technology at the TU Dresden.
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Karin Rühling has been involved in teaching and research at the Institute of Energy Technology at TU Dresden since 1991. In 2010, she became head of the Department of Heat Supply there, and since 2011 she has held the position of Technical Director of the Rational Energy Application/Regenerative Energies Complex of the Center for Energy Technology. Her main areas of expertise are district heating supply systems with combined heat, power and cooling and integration of renewable energies, as well as component development, with particular emphasis on the nature of heat transfer media.