Geothermal Institute
Powering the Future
Welcome to the Geothermal Institute, where we’ve been at the forefront of geothermal education and research since 1978. We’re renowned globally for our profound knowledge in geothermal energy and technology, exploration and modelling. As one of the few institutions offering comprehensive education and training courses, we set the global benchmark for excellence in education, research and consulting.
Our work speaks for itself – offering dependable geothermal expertise from a globally recognised centre. Rooted in the heart of Aotearoa New Zealand, we’re proud to be one of the leading forces helping to shape the future of energy.
Featured Projects
Reversing Carbon Emissions in Geothermal Energy Production
New Zealand / 2022-27
At the intersection of environmental sustainability and energy innovation, we’re dedicated to pioneering sustainable practices for reducing greenhouse gas (GHG) emissions.
Advanced Geothermal Modelling
New Zealand / Ongoing
Advanced geothermal modelling is invaluable for accurately predicting the behaviour and performance of geothermal systems, which enhances the efficiency and sustainability of geothermal energy extraction.
Resource Assessment for Greenfield Geothermal Systems
International / 1985 – 2024
This body of research aims to address this challenge by introducing a new method of resource assessment that includes more complete data and respects reservoir physics.
Latest News
Big Conversations and Bold Ideas at NZGW 2025
Over 400 attendees came together at NZGW 2025 in Rotorua to share bold ideas and shape the future of geothermal locally and globally.
Strengthening Global Geothermal Skills Through Teaching in Iceland
The Geothermal Institute has delivered its intensive Reservoir Modelling course at Reykjavik University’s Iceland School of Energy. The four-week programme trains students from around the world in geothermal reservoir simulation, forecasting, and sustainable energy development.
Associate Professor Sadiq J. Zarrouk to Lead Day One of IIGCE 2025 Pre-Conference Workshop
Associate Professor Sadiq J. Zarrouk will lead the first day of the Pre-Conference Workshop at IIGCE 2025 in Jakarta, sharing insights alongside geothermal experts from New Zealand and Indonesia.
Contact Energy Acknowledges Geothermal Institute Expertise in Two-Phase Flow Measurement
Contact Energy has formally recognised the contribution of Associate Professor Sadiq Zarrouk and the Geothermal Institute for ongoing work to improve two-phase flow measurement technology.
Geothermal strategy can be catalyst for transformational change
New Zealand can unlock more clean energy, but also more industrial process heat, more energy-dense sites, and create highly skilled, highly paid jobs in engineering and geoscience.
Geothermal Prospects in the Middle East
Science Leader Associate Professor Sadiq Zarrouk attended the 3-day event Geothermal Energy in the Middle East: Unlocking a vast renewable energy resource held 22-24 June 2025 in Al-Khobar, Saudi Arabia.
Recent Collaborations
Get in touch
Do you have a question or need assistance?
Drop us a line and we'll respond as soon as we can.
Geothermal Institute
Level 3, 70 Symonds Street,
Grafton, Auckland, New Zealand
geothermal@auckland.ac.nz