Project 61 News

News from Project 61

20 Oct 2025

Project 61 presented at the European Heat Pump Summit 2025

Contributions to the Project 61 will be presented at the European Heat Pump Summit taking place at Messe Nürnberg on Oct. 28/29, 2025. Two presentations are foreseen: Fabian Ochs of the UIBK University of Innsbruck Austria will present investigations and system comparison of different integration options for heat pumps in...

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29 Sep 2025

Project 61 presented at Smart Energy System 2025

IEA HPT Project 61 has been presented by an evaluation of different grid configuration for heat pump integration in Districts at the Smart Energy Systems Conference 2025, which took place in Copenhagen on Sept. 16-19, 2025. Fabian Ochs of the UIBK University of innsbruck presented an evaluation of four grid...

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22 Sep 2025

National Austrian Project 61 Workshop held at AIT

On September 10, 2025, the AIT Austrian Institute of Technology in Vienna, in cooperation with the University of Innsbruck and AEE INTEC, hosted the workshop “Heat Pumps in Positive Energy Districts”. The aim was to discuss current research results and practical experiences regarding the integration of heat pumps into energy-optimized...

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20 Sep 2025

Project 61 presented at CISBAT 2025

Interim results of IEA HPT Project 61 have been presented at the CISBAT 2025 Conference, which took place at the EPFL in Lausanne on Sept. 3-5, 2025. Two contributions have been presented. The one was a collaborative paper regarding different integration options of heat pumps in districts derived for the...

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03 Jul 2025

Collaboration between Annexes 61 and 62

A collaboration between the Annex 61 on “Heat pumps in Positive Energy districts” and Annex 62 on “Heat pumps for multi-family residential buildings in cities” have been started regarding heat pump integration in multi-family buildings and districts. In both Annexes the objective to elaborate recommendations for heat pump integration is...

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14 Jun 2025

Annex 61 presented at the Clima 2025

The members of Annex 61 held several presentations on the national contribution at the Clima 2025 REHVA World Congress, which took place at the Polytecnico di Milano on 4.-6. June, 2025. Lukas Oppelt of TU Bergakademie Freiberg presented a project with integration of seasonal water storage from abandoned and partially...

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14 Apr 2025

Annex 61 meeting held in Bologna

The 8th Annex 61 working meeting was held at Alma Mater Studiorum University of Bologna on April 7-8, 2025. Attendees of AT, DE, CH, IT and JP participated onsite while the USA and further participant of AT and DE joined online. On the first day interim result of the national...

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10 Jan 2025

Annex 61 Conference papers published

The conference papers of Annex 61 participants summitted to the Eurosun 2024, which took place in August 2024 and the Bausim 2024 which took place in September 2024 have been meanwhile published. At the Eurosun 2024 the Annex 61 publication of the Univ. of Innsbruck has been published in the...

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09 Dec 2024

Annex 61 meeting held in Hannover

An Annex 61 working meeting was held at Leibniz University Hannover on Dec 3-4, 2024. The meeting was attended by DE, AT, CH, IT onsite and further participants from AT, JP and the US online. The first day was dedicated to exchange interim results of the national projects and state...

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07 Oct 2024

Annex 61 presented at the BAUSIM 2024 in Vienna

IEA HPT Annex 61 has been presented at the Bausim 2024, which took place in Vienna on Sept. 23-26. The Bausim is the conference of the national associations of Austria, Germany and Switzerland (D-A-CH) for building simulation of the International Building Performance Simulation Association IBPSA. Respectively, the paper summarises simulation...

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News from Project 61

Project 61 presented at the European Heat Pump Summit 2025

Project 61 presented at Smart Energy System 2025

National Austrian Project 61 Workshop held at AIT

Project 61 presented at CISBAT 2025

Collaboration between Annexes 61 and 62

Annex 61 presented at the Clima 2025

Annex 61 meeting held in Bologna

Annex 61 Conference papers published

Annex 61 meeting held in Hannover

Annex 61 presented at the BAUSIM 2024 in Vienna