updates

Summary of five years research to advance NZ's pathway to a superhot future: economic assessment, resource inventory, strategic planning, wellbore modelling.

Summary of five years of initiatives to enhance Māori participation in superhot-supercritical geothermal research.

Summary of five years research to consider the regulatory planning framework’s ability to support future superhot geothermal development.

Summary of five years research to deliver vital geochemical data and provide thermochemical constraints for numerical models.

Summary of five years research to advance the modelling of supercritical fluid location above magmatic intrusions.

Summary of five years research to improve imaging of the crust.

Summary of five years research to refine our understanding of basement rocks, fracture networks, and the granitic and magmatic crust.

The one-stop-shop for the accessible, published reports and papers from five years of research.

Shared experiences and learnings, and the development of a Geothermal Indigenous People’s Declaration.

NEW REPORT: addressing the identified regulatory challenges to effectively managing future superhot geothermal development.

Our team presented seven papers at the 2024 NZ Geothermal Workshop.

NEW REPORT: high level resource consent requirements to establish a deep, superhot geothermal production operation in the TVZ.

In this Climate Connections podcast episode, Sheena Thomas shares insights on the potential of super-hot geothermal in NZ.

Our team presented four papers at the 2024 Geothermal Rising Conference.

Two presentations at the 2024 International Workshop on Hot Dry Rock and Supercritical Geothermal Resources.

Watch this short 1News report on exploring for potential superhot geothermal resources in New Zealand.

A published study of the solubility of anhydrite in water at supercritical conditions from 380°C to 625°C and 220 bar to 270 bar.

Dr Isabelle Chambefort presented at the Speaker's Science Forum series at Parliament on how we can power Aotearoa New Zealand using geothermal energy.

A published paper that explores the evolution of geothermal reservoirs.

By pursuing hotter geothermal resources, New Zealand can unlock unprecedented energy security and economic growth.

The implementation of a new 3D magnetotelluric (MT) inversion code allows new insights into geothermal and magmatic systems in New Zealand.

New words in Te Reo Māori (Māori language) relating to geothermal concepts have been added to the Māori Dictionary.

Two new publications showcase the first source-to-surface models of the central Taupō Volcanic Zone hydrothermal system in a 2D setting.

NEW REPORT: A superhot / supercritical geothermal resource inventory assessment for New Zealand.

Deploying a temporary seismic network near Wairakei and Taupō.

A recently published study shows that the shallowest depth at which magnetisation vanishes in the Taupō Volcanic Zone is at around 9-11 km.

NEW REPORT: Supercritical geothermal presents an exciting frontier that could meet a significant component of NZ's renewable electricity demand beyond 2037.

Our team presented six papers at the 2023 NZ Geothermal Workshop.

Highlighting the potential of geothermal energy for achieving New Zealand's ambitious renewable energy targets.

Members of the GNG team were honoured to be welcomed to stay overnight at Ohaki Marae.

Our team presented two papers at the Geothermal Rising Conference in Reno, USA.

We are four years into the GNG research programme - here's a quick list of highlights from the last year or so.

Our team presented six papers at the World Geothermal Congress in Beijing, China.

Our team presented at the Water-Rock Interaction conference in Sendai, Japan.

A podcast episode exploring the future of geothermal electricity production.

As part of NZ Geothermal Week, there's been a series of media articles on geothermal projects and advantages. Here's a summary...

The dynamic interface between TVZ magmatic and geothermal systems presents ideal conditions to search for supercritical fluids.

The last of three posts about xenoliths, summarising analytical results, conclusions and implications of this research.

The Government have proposed changes to strengthen direction for consenting renewable electricity infrastructure.

Two recent submissions to government consultations, release of the 2023 geothermal electricity generation report, and NZ Geothermal Week is coming in July...

The resource consents likely required under RMA for the drilling and testing of a ~6km deep geothermal well in the TVZ.

Six words in Te Reo Māori that enable the exchange of meaningful and comprehensive ideas and knowledge relating to geothermal.

Output forecasts for 4500m to 6000m deep geothermal well configurations in the TVZ across reservoir temperatures 450-600C.

A recently published journal paper investigating quartz solubility data in supercritical temperature and pressure conditions.

A recently published journal paper aims to address this question, looking at the composition of New Zealand's deep magmatic fluids.

Supporting NZGA to highlight geothermal perspectives.

Co-convened by GNG in November 2022; access the presentation material.

Four areas of our research were shared at the conference.

What type of business venture arrangements might accelerate deep geothermal exploration?

Geothermal: The Next Generation Science Webinar. 21 October 2022, by Juan Carlos Afonso.

Thinking about decision-making under time- and data-limitations.

We are three years into this five year research programme - here's a quick list of highlights from the last year or so.

Evaluating the thermal behaviour of rhenium and indium under subcritical, super-hot and supercritical conditions.

This paper details the reactive transport model methodology and insights for a basalt-water interaction experiment under subcritical conditions (350C and 490b)

A compilation of international deep drilling, supercritical and ultra-hot geothermal projects.

An update on what we have done with the xenoliths since we collected them, and why.

Learn what non-condensable gases (NCGs) are and how they are managed, plus information on NZ's geothermal greenhouse gas emissions.

Geothermal: The Next Generation Science Webinar. 20 April 2022, by Prof. John Dilles.

Presentations are available from this three-day international symposium.

Geothermal: The Next Generation Science Webinar. 14 March 2022, by Prof. Jon Blundy.

This paper uses data collected in submarine boreholes to reveal rock types and how water circulates through Brothers Volcano.

Field work in Monkey Bay, studying fracture patterns in a schist outcrop.

Results from a water-rock interaction experiment between supercritical water and New Zealand basement greywacke under supercritical conditions.

Where is the best location to drill Aotearoa New Zealand’s first supercritical geothermal exploratory well?

Reflections and learnings from a Māori-first approach to engagement.

A procedure for merging processed gridded magnetic data to produce the first integrated TMI grid and magnetic data compilation for the upper North Island.

Webinars, reports and presentations summarising insights from recent international meetings: WGC and COP26.

A recent report provides two hypothetical geological prognoses to inform well design for supercritical wells.

Some recent submissions to Government consultation by the New Zealand Geothermal Association (NZGA).

This magazine article highlights NZ's geothermal history, advantages and future possibilities.

Register for February 2022 webinar symposium series in ultra hot, supercritical geothermal

‘The Next Generation’ looks forward and builds the next generation of scientists, decision-makers, research methods and innovative technologies.

Explore the dynamics of the TVZ active hydrothermal systems and the processes which support mineralisation and metal deposition.

In three minutes, Laura explains how her research supports drilling deeper to target extremely hot geothermal fluids.

Learn about the TVZ’s magmatic-hydrothermal transition, and how we aim to reveal the nature of this interface for our supercritical research.

With some ingenuity and innovation, we now have a much more robust experimental set up to study water-rock interactions under supercritical conditions.

Watch our presentation from the World Geothermal Congress where we showcased GNG and New Zealand's supercritical opportunity.

What can geothermal, and supercritical geothermal, learn from the oil and gas industry?

We are two years into this five year research programme - here's a quick list of highlights from the last year or so.

Learn how we visualise and model the subsurface environment to understand and simulate underground processes.

Learn what a geothermal reservoir is and what makes a supercritical geothermal system different.

Aotearoa New Zealand’s resource management legislation is changing, and we can have a voice in designing future legislation.

Learn about how to “see” beneath the surface and measure properties of the deep underground to understand the conditions there.

Learn about how the geothermal community can message geothermal energy to make it positive and simple.

The geothermal industry is key to realising Aotearoa New Zealand's aspiration for a carbon neutral future. Watch this cool video that explains why.

We have a strong focus on science, engagement, science communication and capability building - find out why.

Learn about how GNG researchers are using magnetotellurics (MT) to image the Earth’s crust to look for supercritical geothermal resources.

GNG Programme Leader, Isabelle Chambefort, shares her vision for why supercritical geothermal is important for Aotearoa New Zealand's energy future.

Uses for geothermal energy depend on the fluid temperature. Bathing, horticulture, tourism, industrial processes, electricity generation...and more.

This year’s NZGA winter seminar is focussed on carbon dioxide management, and occurs during a week of geothermal activities in Taupō.

A new report summarising planning and regulatory framework for geothermal resources in Aotearoa New Zealand.

Supercritical Geothermal: What is it? Why is it important for Aotearoa? And four Big Questions to be answered...

A collation of papers from the 2020+1 World Geothermal Congress related to international supercritical research and deep drilling projects.

What does 'next generation' mean for our supercritical research, and for the future of geothermal energy in Aotearoa New Zealand?

Edda Sif Pind Aradóttir explains how the CarbFix technology is turning carbon dioxide into stone.

This paper, lead-authored by Shane Rooyakkers, discusses hazards associated with hidden pockets of shallow magma from recent geothermal drilling projects.

The target for deeper drilling in New Zealand is supercritical fluids. It is not magmatic fluids, and is definitely not magma. Find out why...

Learn about how GNG researchers are using seismic tomography to help delineate New Zealand’s supercritical geothermal resources.

This recent publication focussed on the geological aspect controlling success in geothermal well targeting in geothermal systems.

Hólmfríður Sigurðardóttir shares an update on a new carbon capture and injection technology for geothermal developments.