Annex 52 Legal Text:

Link to Legal Text for IEA HPT Annex 52


Scientific journal papers

Naicker, S. S. and S. J. Rees. (2018). Performance Analysis of a Large Geothermal Heating and Cooling System. Renewable Energy 122:429–42. (Measurement data available as open access  at

Spitler, J.D. and S.E.A. Gehlin. (2019). Measured performance of a mixed-use commercial-building ground source heat pump system in Sweden. Energies 2019, 12, 2020; doi:10.3390/en12102020. (Measurement data available as open access supplementary material). Open access at:

Conference papers

Gehlin, S. and J.D. Spitler. (2019). IEA HPT Annex 52 – Measuring GSHP system long-term performance. European Geothermal Congress 2019 in Den Haag, the Netherlands. June 11-14 2019.

Abuasbeh, M., Acuña, J. (2018). ATES System Monitoring Project, First Measurement and Performance Evaluation: case study in Sweden. IGSHPA Research Track 2018, Stockholm, Sweden, September 18th 2018.

Andersson, O., Rydell, L. (2018). The HT-BTES in Emmaboda, Sweden – Lessons learned and Further Actions. Enerstock 2018, Adana, Turkey, April 2018

Gehlin, S., Spitler, J.D., Larsson, A., Annsberg. (2018). Measured Performance of the University of Stockholm Studenthuset Ground Source Heat Pump System. Enerstock 2018, Adana, Turkey, April 2018.