Dublin workshop 2023

low-medium temperature geothermal heating and cooling solutions

10 October 2023 in Dublin, Ireland

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GEOTHERMICA Initiative, CETPartnership TRI4 Heating & Cooling, and Geological Survey Ireland organised a workshop at the EPIC Museum in Dublin on 10 October 2023. The workshop focused on low-medium temperature geothermal heating and cooling solutions for campuses and cities. Around 50 people from 11 countries attended the workshop (from Ireland, the United Kingdom, Canada, Sweden, Iceland, Scotland, Germany, Belgium, The Netherlands, Switzerland, and the United States). 

Representatives from the European Geothermal Energy Council, Geological Survey Ireland, GEOTHERMICA Initiative, and CETPartnership TRI4 Heating & Cooling gave an overview of the geothermal sector in Europe and insights into the latest developments. 

Speakers from academia, research, and industry presented projects from the Netherlands, Ireland, Canada, the United States, Scotland, Switzerland, and Iceland on geothermal heating and cooling solutions for campuses and cities. Below, you can find their presentations.

The workshop highlighted promising concepts for utilizing low- and medium temperature geothermal energy for the heating and cooling transition of cities and campuses. Discussions during the workshop underlined the potential, as well as the need take a broad perspective on low- and medium temperature geothermal in future activities, for example in the Calls of CETPartnership TRI4 Heating and Cooling.

Workshop Proceedings can be found here .

Opening Remarks

- Koen Verbruggen, Director, Geological Survey Ireland, Department of the Environment, Climate and Communications
- Stephan Schreiber, Co-Chair, GEOTHERMICA Initiative
- Gerdi Breembroek, Leading Expert, CETPartnership TRI4 Heating & Cooling

Overview of Low-medium Temperature Geothermal in Europe

- Emil Martini, Policy Associate, European Geothermal Energy Council
Overview of Low-medium Temperature Geothermal in Europe
- Sarah Blake, PhD, Senior Geologist, Geological Survey Ireland
Irish Geothermal Potential and Latest Developments
- Gerdi Breembroek, Leading Expert, CETPartnership TRI4H&C and Stephan Schreiber, Co-Chair GEOTHERMICA Initiative
Opportunities for Low-medium Temperature Geothermal for the Energy Transition in Europe

Session 1: Low-medium Temperature Geothermal for Campuses

- Martin Bloemendal, PhD, Assistant Professor, TU Delft
TU Delft Subsurface Urban Energy Lab for Development of Geothermal Technologies
- Mark Geraghty, Environmental and Sustainability Manager, TU Dublin
Decarbonising Heat in an Urban Setting
- Aggrey Mwesigye, Ph.D., P.Eng, University of Calgary
Low-to-medium Temperature Geothermal for Campuses
- Steve Beyers, P.E. Cornell University
Low Temperatures Geothermal for District Heat in the Eastern U.S.
- David Townsend, Founder & CEO, TownRock Energy
Galleries2Calories: Presenting Progress of the Edinburgh GeoBattery Research Project

Panel Discussions on Campuses

- Aoife Braiden, Research Manager, Geological Survey Ireland moderates

Session 2: Low-medium Temperature Geothermal for Cities

- Loïc Quiquerez, PhD, Energy Systems Expert, Services Industriels de Geneve
Scenarios for Integration of Medium-depth Geothermal in an Evolving District Heating System - Case study Geneva  
- Heimir Tryggvason, PhD, Specialist District Heating and Direct Use of Geothermal Energy, National Energy Authority of Iceland
Use of Lower Temperature Geothermal Sources for Space Heating in Iceland
- Roman Shor, Associate Professor and Energi Simulation Industrial Research Chair in Geothermal Systems, University of Calgary
Geothermal Heating and Cooling for Cold Continental and Subarctic Climates in Canada
- Matthias Franz, University of Göttingen, Germany
New Opportunities in Hydrothermal Plays – Lessons Learned from the Schwerin and Hamburg Projects

Panel Discussions on Cities

- Sarah Blake, Senior Geologist, Geological Survey Ireland moderates

Closing Remarks

- Hjalti Páll Ingólfsson, Co-Lead, CETPartnership TRI4
- Paul Ramsak, Co-Chair, GEOTHERMICA Initiative

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Impressions from the meeting, Dublin, 2023

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