A circular by design environmentally friendly geothermal energy solution based on a horizontal closed loop.
The HOCLOOP consortium has as a very ambitious goal: bringing sustainable by-design and fully circular solutions for the exploitation of geothermal energy.
48 months
10 partners
from France, Italy, Belgium, Finland, Germany, Poland, and Norway
€ 5 million
co-funding by the European Commission
Solutions for more sustainable geothermal energy
News & Events
Behind the Test #4: What Makes HOCLOOP Different?
Behind the Test #4 highlights how HOCLOOP extracts heat from rock without aquifers, reducing risks and enabling long-term geothermal energy.
Behind the Test #3: The Operational Work Behind the Pilot
Behind the Test #3 explores the operational work supporting the HOCLOOP geothermal pilot at Ullrigg.
Behind the Test #2: Verifying Closed-Loop Geothermal at Full Scale
Behind the Test #2 highlights how HOCLOOP’s closed-loop geothermal system was validated and refined after pilot testing.
Behind the Test #1: Testing HOCLOOP Under Real Operational Conditions
Behind the Test #1 explores how HOCLOOP’s geothermal pilot was validated under full-scale drilling conditions at Ullrigg.
Women in Science in HOCLOOP: Brilliant Experts Advancing Geothermal Innovation
HOCLOOP highlights women researchers advancing geothermal innovation across geology, communication and energy system analysis.
HOCLOOP at European Geothermal Congress 2025 in Zurich
HOCLOOP at European Geothermal Congress 2025 in Zurich featured research on closed-loop geothermal systems, CO₂-based energy extraction, and heat transport modelling.
Any inquiries? Reach out via e-mail
Project Coordinator
Mário Silva
mario.silva@ife.no
Research Advisor and Business Developer European Affairs
at the Institute for Energy Technology (IFE)