Ongoing
Welcome to the Project 61 of HPT TCP
Heat pumps in Positive Energy Districts
The Annex will investigate heat pumps concepts for positive energy districts regarding heat pump design and control as well as integration options from the individual building to district level. Concepts will be evaluated by both modelling/simulation and monitoring of heat pump performance in new built and existing districts.
01 July 2022 -
30 June 2026
Lead country: Switzerland
Participating countries: Austria, Germany, Italy, Japan, USA
News About Project 61.
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Project 61 presented on the ISEC Conference 2026 in Graz
Results on grid system comparisons have been presented on the 4th International Sustainable Energy conference ISEC 2026 entitled "Shaping the Future of Sustainable Energy Systems" on 14-16 April in Graz by Prof. Dr. Fabian Ochs. The study compares different grid concepts based on an analysis of 11 districts and concludes...
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Project 61 webinar
Project 61 is presented on a webinar on Tuesday, June 2, 10.00 – 12.00 h in the frame of the workshop series "Electricity based heat supply - milestone for the CO2 Reduction path" in order to present the final results of the Project 61 to a broader audience in the...
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Project 61 Workshop at the 15th IEA HP Conference in Vienna
Project 61 organized a workshop at the 15th IEA HP Conference in Vienna on Tuesday, May 26, 10.00 – 13.00 h in order to present the final results to a broader audience. The Workshop is planned interactively with the audience and structured by the coffee break in two parts: The...
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Project 61 at TUBAF
A Project 61 expert meeting was held at the Institute of Thermal Engineering and Thermodynamics at the Technical University Bergakademie Freiberg TUBAF on Nov. 27-28, 2025. The meeting was attended by representatives of Austria, Germany, Italy and Switzerland on-site and the USA and Japan online. Simulation and monitoring results have...