24 international experts from eight countries met in Malmö, Sweden, for the first Annex 52 kick-off meeting on May 24th-25th. Within this annex, titled Long-term measurements of GSHP system performance in commercial, institutional and multi-family buildings, a large number of ground source heat pump systems, as well as a couple of ground source systems that do not include a heat pump unit, will be monitored and analyzed from a long-term performance perspective, using and developing the system boundaries presented by the SEPEMO EU-project.
At the meeting some 35 GSHP long-term monitoring projects in 9 countries were presented. 20 GSHP performance monitoring case studies, located in Sweden, Netherlands and the USA, were confirmed to be part of the Annex 52 work. 17 of these case studies are located in Sweden and cover a range of building types, system applications and ground sources. The Dutch case studies are mainly groundwater systems and the US case study is a high profile office building with a distributed GSHP system. Another 15 case studies in Europe were presented at the meeting by the countries that have yet to formally join the annex.
HPT Annex 52 is open to participation from countries that belong to IEA Technology Collaboration Programs HPT, ECES and Geothermal, and the deadline for joining the annex is October 2019.
The second Experts’ meeting will take place in the USA in November.