The latest on our project, team and research findings.
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May 15, 2023
Geothermal well drilling and consenting scenarios report
The resource consents likely required under RMA for the drilling and testing of a ~6km deep geothermal well in the TVZ.
Deborah Kissick & Brian Carey
March 15, 2023
Waiwhatu Project: Developing Shared Language
Six words in Te Reo Māori that enable the exchange of meaningful and comprehensive ideas and knowledge relating to geothermal.
March 14, 2023
Comparative Geothermal Well Performance – Supercritical and Subcritical
Output forecasts for 4500m to 6000m deep geothermal well configurations in the TVZ across reservoir temperatures 450-600C.
March 1, 2023
Solubility of Quartz in Supercritical Water
A recently published journal paper investigating quartz solubility data in supercritical temperature and pressure conditions.
February 27, 2023
Can we track magma degassing in the crust?
A recently published journal paper aims to address this question, looking at the composition of New Zealand's deep magmatic fluids.
February 9, 2023
More Geothermal Submissions to RMA Reform
Supporting NZGA to highlight geothermal perspectives.
January 24, 2023
Public Perceptions of Geothermal Energy: Survey
Complete and share this survey exploring public perceptions of geothermal energy.
December 6, 2022
IAPWS 2022 Symposium on Supercritical Geothermal
Co-convened by GNG in November 2022; access the presentation material.
December 2, 2022
GNG Presentations at NZ Geosciences Conference 2022
Four areas of our research were shared at the conference.
November 25, 2022
Commercial Arrangements Underpinning Aotearoa New Zealand’s Industrial Scale Geothermal Operations
What type of business venture arrangements might accelerate deep geothermal exploration?
October 28, 2022
GNG Science Webinar: Multi-observable Thermochemical Tomography (MTT) for exploration of shallow and deep geothermal energy
Geothermal: The Next Generation Science Webinar. 21 October 2022, by Juan Carlos Afonso.
October 12, 2022
Decision Making in Deep Uncertainty
Thinking about decision-making under time- and data-limitations.
September 23, 2022
GNG Programme - End of Year Three
We are three years into this five year research programme - here's a quick list of highlights from the last year or so.
August 17, 2022
The Potential of Rhenium and Indium as Geothermal Tracers
Evaluating the thermal behaviour of rhenium and indium under subcritical, super-hot and supercritical conditions.
Lucjan Sajkowski & Bruce Mountain
July 20, 2022
Numerical geochemical modelling of basalt-water interaction under subcritical conditions
This paper details the reactive transport model methodology and insights for a basalt-water interaction experiment under subcritical conditions (350C and 490b)
June 15, 2022
International Ultra Hot Geothermal Projects
A compilation of international deep drilling, supercritical and ultra-hot geothermal projects.
June 1, 2022
Geothermal Week 2022
26-29 July 2022. Full programme now available.
May 18, 2022
An update on what we have done with the xenoliths since we collected them, and why.
May 11, 2022
New International Advisory Group Member
Introducing Vala Hjörleifsdóttir, and farewell to Hidda Thorsteinsson.
May 4, 2022
What are Geothermal Non-Condensable Gases?
Learn what non-condensable gases (NCGs) are and how they are managed, plus information on NZ's geothermal greenhouse gas emissions.
Katie McLean & Eylem Kaya
April 27, 2022
GNG Webinar: Porphyry Cu-Mo-Au deposits: what do they tell us about magmas and hydrothermal fluid systems?
Geothermal: The Next Generation Science Webinar. 20 April 2022, by Prof. John Dilles.
April 20, 2022
NZ Geothermal: 2022 Dates For The Diary
Add these events to your diary...
April 13, 2022
Introducing Wiebke Heise, Geophysicist, GNS Science.
April 6, 2022
Ultra-Hot Supercritical Geothermal Symposium Presentations
Presentations are available from this three-day international symposium.
March 30, 2022
GNG Webinar: The Economic Potential of Hot, Young Magmatic Brines - and Example from Kakkonda, Japan
Geothermal: The Next Generation Science Webinar. 14 March 2022, by Prof. Jon Blundy.
March 23, 2022
Rock Types and Fluid Circulations in an Active Submarine Volcano
This paper uses data collected in submarine boreholes to reveal rock types and how water circulates through Brothers Volcano.
Cécile Massiot & Sarah Milicich
March 16, 2022
Introducing Siru Jylhänkangas, Geologist, Victoria University of Wellington.
March 9, 2022
A Personal Journey to Supercritical
A presentation from the 2021 NZ Geothermal Workshop.
March 2, 2022
Mapping Fractures in Marlborough
Field work in Monkey Bay, studying fracture patterns in a schist outcrop.
Sarah Milicich & Cécile Massiot
February 23, 2022
Launch of Geoheat Strategy Action Plan 2022-2023
Focussed activity to grow direct use of geoheat for industrial and commercial scale projects in Aotearoa.
February 16, 2022
Experimental Studies of Supercritical Fluid-Rock Interactions
Results from a water-rock interaction experiment between supercritical water and New Zealand basement greywacke under supercritical conditions.
February 9, 2022
Moving Forward to Supercritical Exploration Drilling
Where is the best location to drill Aotearoa New Zealand’s first supercritical geothermal exploratory well?
February 2, 2022
A Supercritical Journey into Te Ao Māori
Reflections and learnings from a Māori-first approach to engagement.
January 26, 2022
Total Magnetic Intensity Grid of the Upper North Island, New Zealand
A procedure for merging processed gridded magnetic data to produce the first integrated TMI grid and magnetic data compilation for the upper North Island.
January 19, 2022
Insights from WGC and COP26
Webinars, reports and presentations summarising insights from recent international meetings: WGC and COP26.
December 22, 2021
Geological Prognoses for Supercritical Geothermal Exploratory Well Design
A recent report provides two hypothetical geological prognoses to inform well design for supercritical wells.
December 15, 2021
NZ Geothermal Updates
Some recent submissions to Government consultation by the New Zealand Geothermal Association (NZGA).
December 8, 2021
Full Steam Ahead
This magazine article highlights NZ's geothermal history, advantages and future possibilities.
December 1, 2021
2022 Symposium Series: Ultra Hot Supercritical Geothermal
Register for February 2022 webinar symposium series in ultra hot, supercritical geothermal
November 24, 2021
‘The Next Generation’ looks forward and builds the next generation of scientists, decision-makers, research methods and innovative technologies.
Melissa Climo & Andrea Blair
November 17, 2021
TVZ Geothermal Systems: Proxy for Epithermal Deposits?
Explore the dynamics of the TVZ active hydrothermal systems and the processes which support mineralisation and metal deposition.
November 10, 2021
Mineral Compositions in Plutonic Rocks: A Thesis in Three Minutes
In three minutes, Laura explains how her research supports drilling deeper to target extremely hot geothermal fluids.
October 27, 2021
Revealing the Magmatic - Hydrothermal Transition
Learn about the TVZ’s magmatic-hydrothermal transition, and how we aim to reveal the nature of this interface for our supercritical research.
October 20, 2021
Configuring a One-of-a-Kind Supercritical Flow-Through Reactor
With some ingenuity and innovation, we now have a much more robust experimental set up to study water-rock interactions under supercritical conditions.
October 13, 2021
Introducing Dale Altar, Reservoir Engineer, University of Auckland.
October 6, 2021
GNG at the World Geothermal Congress
Watch our presentation from the World Geothermal Congress where we showcased GNG and New Zealand's supercritical opportunity.
September 29, 2021
Geothermal Reimagined: Learning from the Oil & Gas Industry
What can geothermal, and supercritical geothermal, learn from the oil and gas industry?
September 22, 2021
GNG Programme: End of Year Two
We are two years into this five year research programme - here's a quick list of highlights from the last year or so.
September 15, 2021
2021 CHARGE Finalist - World's Best Energy Advocates Brand
Geothermal: The Next Generation is a finalist in the 2021 CHARGE Energy Branding Awards!
September 8, 2021
Modelling Geothermal Systems
Learn how we visualise and model the subsurface environment to understand and simulate underground processes.
Andrew Rae & Peter Johnson
September 1, 2021
What is a Geothermal Reservoir?
Learn what a geothermal reservoir is and what makes a supercritical geothermal system different.
August 25, 2021
Our Team Values
Our research team developed five principles for working together, and we thought we'd share them here with you.
August 18, 2021
Influencing Resource Management Reform
Aotearoa New Zealand’s resource management legislation is changing, and we can have a voice in designing future legislation.
August 11, 2021
Exploring for Geothermal Resources
Learn about how to “see” beneath the surface and measure properties of the deep underground to understand the conditions there.
August 4, 2021
Changing how we Communicate Geothermal Energy
Learn about how the geothermal community can message geothermal energy to make it positive and simple.
July 28, 2021
Geothermal: Key to a Carbon Neutral Future
The geothermal industry is key to realising Aotearoa New Zealand's aspiration for a carbon neutral future. Watch this cool video that explains why.
July 21, 2021
GNG is Doing Things Differently
We have a strong focus on science, engagement, science communication and capability building - find out why.
July 14, 2021
Magnetotellurics: Imaging the Earth’s Crust
Learn about how GNG researchers are using magnetotellurics (MT) to image the Earth’s crust to look for supercritical geothermal resources.
July 7, 2021
Introducing Craig Miller, Volcano Geophysicist, GNS Science.
June 30, 2021
Why Supercritical for New Zealand?
GNG Programme Leader, Isabelle Chambefort, shares her vision for why supercritical geothermal is important for Aotearoa New Zealand's energy future.
June 23, 2021
What can Geothermal Energy be Used For?
Uses for geothermal energy depend on the fluid temperature. Bathing, horticulture, tourism, industrial processes, electricity generation...and more.
June 16, 2021
Upcoming Seminar: Geothermal in a Low Carbon Future
This year’s NZGA winter seminar is focussed on carbon dioxide management, and occurs during a week of geothermal activities in Taupō.
June 9, 2021
The Current Planning Framework for Geothermal Development
A new report summarising planning and regulatory framework for geothermal resources in Aotearoa New Zealand.
June 4, 2021
NZ's Pathway to Supercritical
Supercritical Geothermal: What is it? Why is it important for Aotearoa? And four Big Questions to be answered...
May 31, 2021
International Supercritical Projects at the World Geothermal Congress 2021
A collation of papers from the 2020+1 World Geothermal Congress related to international supercritical research and deep drilling projects.
May 26, 2021
The Next Generation
What does 'next generation' mean for our supercritical research, and for the future of geothermal energy in Aotearoa New Zealand?
May 21, 2021
Introducing Brian Carey, Geothermal Specialist, GNS Science.
May 17, 2021
CarbFix turns Carbon Dioxide into Stone
Edda Sif Pind Aradóttir explains how the CarbFix technology is turning carbon dioxide into stone.
May 12, 2021
Eruption Risks from Covert Silicic Magma Bodies
This paper, lead-authored by Shane Rooyakkers, discusses hazards associated with hidden pockets of shallow magma from recent geothermal drilling projects.
May 7, 2021
Supercritical is NOT Magma
The target for deeper drilling in New Zealand is supercritical fluids. It is not magmatic fluids, and is definitely not magma. Find out why...
May 3, 2021
Introducing Lucjan Sajkowski, Hydrothermal Geochemist, GNS Science.
April 28, 2021
Seismic Tomography: a cat scan of the Earth
Learn about how GNG researchers are using seismic tomography to help delineate New Zealand’s supercritical geothermal resources.
April 21, 2021
Geological Controls on Geothermal Resources for Power Generation
This recent publication focussed on the geological aspect controlling success in geothermal well targeting in geothermal systems.
Egbert Jolie & Isabelle Chambefort
April 14, 2021
New Approaches for Reducing Carbon Emissions
Hólmfríður Sigurðardóttir shares an update on a new carbon capture and injection technology for geothermal developments.
April 9, 2021
Introducing Shane Rooyakkers, Geologist, Victoria University of Wellington.
April 5, 2021
Geothermal: Decarbonising New Zealand
What are the advantages of using low-carbon, renewable geothermal energy?
March 31, 2021
Sulfur in Supercritical Conditions
Learn about why GNG researchers are investigating sulfur chemistry in hydrothermal solutions at supercritical conditions.
March 24, 2021
Introducing Terry Seward, Hydrothermal Geochemist, GNS Science.
March 17, 2021
Introducing Jenny Barretto, Geophysicist, GNS Science.
March 10, 2021
What is the Taupō Volcanic Zone?
We talk about the "TVZ" a lot. What exactly is the Taupō Volcanic Zone?
March 3, 2021
Exploring Deep Basement Rocks…from the Surface
Find out how we explore and map fractures in rocks found more than four kilometres below the surface.
February 26, 2021
Introducing Laura Seelig, PhD Candidate, Victoria University of Wellington.
February 22, 2021
Fluids in Geothermal Systems
Read about a recent article on geothermal fluid chemistry published in Elements – An International Magazine of Mineralogy, Geochemistry, and Petrology.
Isabelle Chambefort and Andri Stefánsson
February 17, 2021
Supercritical: What the NZ Geothermal Community Wants to Know
A summary of feedback from the November 2020 workshop.
February 12, 2021
Introducing Ted Bertrand, Geophysicist, GNS Science.
February 8, 2021
Introducing Warwick Kissling, Numerical Modeller, GNS Science
February 3, 2021
Using Magnetics to Map Geothermal Resources
Learn about how GNG researchers are using magnetics to help delineate New Zealand’s supercritical geothermal resources.
January 29, 2021
Learning from Iceland's Supercritical Experience
Hidda Thorsteinsson shares her thoughts on how Iceland and New Zealand could share learnings in supercritical geothermal.
January 25, 2021
Introducing Eylem Kaya, Chemical Modeller, University of Auckland.
January 20, 2021
Introducing our International Advisory Group
The "Geothermal: The Next Generation" team warmly welcome our international advisory group members.
January 15, 2021
Introducing Thomas Driesner, Hydrothermal Geochemist, ETH Zurich.
January 11, 2021
Zero-carbon 2050: NZ Consultation
1 February - 14 March 2021: The NZ Climate Change Commission is seeking feedback on actions needed for New Zealand to reach net-zero by 2050.
January 8, 2021
Introducing Sadiq Zarrouk, Chemical Modeller, The University of Auckland.
January 4, 2021
The Curie Point Depth: where rocks lose their magnetisation
Explanation of a few key concepts to help you navigate the world of supercritical energy resources.
December 28, 2020
Water-Rock Interaction Geochemistry
What’s is water-rock interaction all about and why it is important to geothermal energy development?
December 22, 2020
Power Generation Scenarios for the Greater Waiotapu Geothermal System
This conference paper, co-authored by GNG team members, examines scenarios for geothermal production without affecting surface environments in connected fields.
December 16, 2020
Introducing Aroha Campbell, Kaitiaki Consultant, Upflow Ltd.
December 11, 2020
The Xenolith Hunters
How do we know what is going on in the deep crust? Our geologists went searching for xenoliths in Tongariro National Park to find out.
December 7, 2020
Consultation on NZ's Supercritical Strategy has begun
A workshop with members of the geothermal community has kick started development of a supercritical energy strategy for Aotearoa New Zealand.
December 2, 2020
Introducing Thierry Solms, PhD Candidate, ETH Zürich.
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photo credit: matt crawford