The New Zealand Geothermal Association (NZGA) is a scientific, educational and cultural organisation established to operate in New Zealand. It is a non-political, non-governmental, non-profit organisation. It has no political affiliation. The NZGA is an affiliated member of the International Geothermal Association (IGA) and of the Royal Society of New Zealand (RSNZ) and presently has 320 members.

Its objective is to encourage, facilitate and, when appropriate, promote coordination of activities related to New Zealand and worldwide research, development and application of geothermal resources. It aims to:

• Encourage research, development and use of geothermal energy in New Zealand.
• Advance and promote the establishment of criteria for the exploration and development of geothermal resources in a manner compatible with the natural environment.
• Support enactment and adoption of uniform and appropriate legislation, rules and regulations for the development and utilisation of geothermal energy resources.
• Serve as a public forum to provide objective and unbiased information on the nature of geothermal energy and its development.
• Facilitate collection and dissemination of data related to geothermal resources and development.
• Cooperate and communicate with national and international governmental, institutional and private agencies in matters relating to development and utilisation of geothermal resources.
• Collect and disseminate information.

The bylaws of the NZGA published in September 2007 may be downloaded here (PDF 74 KB).

• Identification with a professional body with a geothermal focus.
• Automatic membership of the International Geothermal Association.
• Dissemination of geothermal information by:
  • Scientific and technical exchange.
  • Sponsoring public seminars.
  • Timely flow of published information through the quarterly IGA Newsletter.
  • The World Geothermal Congress held every 5 years; other scientific and technical meetings.
  • Point of contact for a wide spectrum of inquiries from scientists, engineers, governmental bodies, news media and the public.
• Education and other services:
  • Discount to a range of IGA and local seminars including the New Zealand Geothermal Workshop.
  • Quarterly receipt of the IGA News providing timely general information on geothermal matters
  • Discount to the professional journal Geothermics, which publishes articles dealing with the theory, exploration and monitoring techniques and all aspects of utilisation of geothermal resources.

The current individual membership fee is NZ$100 per annum (incl GST).

Corporate and Institutional memberships are available at 4 levels indicated below, with annual subscriptions shown exclusive of GST. Three individuals can be nominated against this membership with voting rights in NZGA and IGA matters.

To become a member please download and fill out the membership form and post with subscription to:

Brian White
NZGA Executive Officer
East Harbour Energy
PO Box 11-595, Manners Street
Wellington 6142

The following companies have generously supported the NZGA.
To view the company profiles please click here or onto the company logo:

Platinum Level ($11,000)
Gold Level ($7,000)
Silver Level ($4,000)
Bronze Level ($1,500)
		Dobbie Engineers (logo coming soon)
Alstom New Zealand (logo coming soon)

View supporting members' company profiles below:

Platinum Level ($11,000)
Mighty River Power	Phone: +64 9 3088200 Email Web site
Mighty River Power is a New Zealand electricity company, with a flexible portfolio of electricity generation assets, a strong national retail presence and a focus on domestic generation and international geothermal development opportunities. More than 90% of our generation is from renewable sources. We supply both electricity and thermal energy to major commercial users and have about 20% of New Zealand’s retail market with our brands, Mercury Energy, BOSCO Connect and Tiny Mighty Power. Mighty River Power is a world leader in geothermal energy development, construction and operation – leveraging this expertise with investment in geothermal energy development in the US, Chile and Germany through GeoGlobal Energy. Mighty River Power won the 2010 Deloitte Energy Excellence Awards for Overall Energy Company and Project of the Year (Nga Awa Purua), and retail brand, Mercury Energy, currently holds the 2011 Deloitte Energy Excellence Award for Retailer of the Year.
Contact Energy	Contact: Paul Bixley Phone: +64 7 3760500 Email Web site
Contact is one of New Zealand’s leading energy generators and retailers, providing electricity, natural gas and LPG to about 600,000 customers nationwide. Our power stations generate around 25 per cent of New Zealand’s electricity, we are one of the country’s largest wholesalers and retailers of natural gas, and we have around 47 per cent of the LPG market in New Zealand.
back to top Gold Level ($7,000)
GNS Science	Contact: Brian Carey, Geothermal Manager Phone: +64 7 3748211 Email web site geothermal web page
GNS Science is New Zealand's leading provider of earth and geoscience research and consultancy services. Established as a Crown Research Institute in 1992. GNS Science operates as a company with a Board of Directors, with shares held by the New Zealand Government. GNS Science focuses on understanding earth system processes and its resources, and translating these into economic and social benefits. These phenomena include geothermal and hydrocarbon resources; geological processes; earthquake, volcano, landslide and tsunamis hazard assessments' climate change' and geophysical sciences. GNS Science clients include Government agencies; the World Bank; Asian Development Bank; geothermal and hydroelectricity operators, oil and gas exploration companies; regulatory authorities; mineral industries; engineering consultancies and other commercial entities.
Tuaropaki Power Company	Contact: Gina Rangi Mobile: +64 21 454523 Email Web site
The Trust's wholly owned subsidiary, Tuaropaki Power Company Limited (TPC) was established in 1994 for the sole purpose of generating and marketing electricity from the Mokai geothermal resource permitted to be used by the resource consents granted by Environment Waikato.
Top Energy	Contact: Les Parker, Generation Manager Phone: +64 9 4070626 Email Web site
Top Energy is the local electricity generation and lines network company which supplies 30,000 electricity consumers in the Mid and Far North of New Zealand's North Island. Now with a capacity of 25MW, the Ngawha Power Station's output is fed into Top Energy's network and then connected to the National Grid.
back to top Silver Level ($4,000)
Parsons Brinckerhoff	Contact: John Bottomley, Senior Consultant Phone: +64 9 9185152 Email Web site
Parson Brinckerhoff (PB) is an international multi-disciplinary engineering consultancy which has specific expertise in geothermal power development. We have over 14,000 employees' world wide in over 60 offices, and with the recent acquisition by Balfour Beatty, we have the backing of a major international contractor. Our centre of excellence for geothermal resides in our New Zealand offices, and we have worked on geothermal projects all around the world over the past 50 years but in particular, Indonesia and Philippines, and of course New Zealand.
Ngati Tuwharetoa (BOP) Settlement Trust
(details to come....)
Sinclair Knight Merz	Contact: Greg Ussher, Senior Consultant Mobile: +64 21 318549 Email Web site
SKM is a leading projects form, with global capability in strategic consulting, design and delivery. It operates in three regions: Asia Pacific, the Americas and EMEA (Europe, Middle East & Africa), deploying some 6,500 people from more than 40 offices while serving the Buildings and Infrastructure, Mining and Metals, Power and Energy and Water and Environment sectors. Our people come from diverse range of disciplines including engineers, planners, architects, economists, scientists, project managers, technicians and administrative staff. We continually strive to help our people reach their full potential, engaging them in challenging and inspiring projects that shape industries and build nations. Wholly employee-owned, SKM is an organisation with a proud history and we embrace shared values and an open culture. We have a commitment to service and quality, with high standards of safety and business ethics, along with a leading edge approach to delivery a sustainable future.
MB Century	Contact: Marcel Manders Phone: +64 7 3760422 Email Web site
MB Century New Zealand is an industry leader. We have built our reputation on commitment to excellence, quality, superior equipment and a service culture. We are proud to offer our customers a variety of customised services and solutions under a "one-stop-shop." Our New Zealand business unit has unparalleled experience in geothermal investigation and development, having undertaken the investigative drilling of all major geothermal fields in New Zealand since 1949. These include Wairakei, Kawerau, Ohaaki, Rotokawa, Ngatamariki, Ngawha, Mokai, Tauhara, Reporoa, Rotoma, Te Kopia, Atiamuri and Waiotapu. We employ an internationally recognised team of steamfield designers and engineers. We have extensive experience in the design and construction of geothermal steamfields, pipelines and pressure vessels. All designs are based on international codes that have been further developed as a consequence of our operational experience. We also operate a comprehensive workshop facility, specialising in heavy fabrication and precision engineering. This service is complimented by an industrial blast and paint facility. MB Century New Zealand is the leading provider of maintenance and overhaul services to the hydro and geothermal power general industry. We have successfully transferred our expertise in this area to general maintenance and overhaul services for other industries. Our people are passionate about their work and go the extra mile to deliver for our customers, while maintaining a clear focus on safety.
Hot Rock	Contact: Peter Barnett Phone: +61 7 3212 6200 Mobile: +64 21 64 8995 Fax: +61 7 3212 6250 Email Web site
Hot Rock's vision is to become a world leader in clean energy by the acquisition, development and operation of profitable geothermal projects using world best practice. Geothermal energy is a source of clean, renewable and continuously available power production. We carefully select our projects where the economics are right - that means not just good geology, but also operating in an attractive commercial environment, where the right selling price for electricity and green credits, proximity to transmission grids and population centres, supportive government, attractive fiscal policy and the potential to scale up. Moreover, we base our approach on solid science, engineering and commercial parameters.
Bosch	Contact: Iain Hilton Phone: +64 9 4105177 Email Web site
The Bosch Group is a leading global supplier of technology and services. In the areas of automotive and industrial technology, consumer goods, and building technology, some 280,000 associates generated sales of EUR 45.1 billion in fiscal 2008. The Bosch Group comprises Robert Bosch GmbH and its more than 300 subsidiaries and regional companies in over 60 countries. Bosch employs over 1,900 associates in Australia and New Zealand with activities spanning all three business sectors listed below. The regional headquarters is located in Clayton Victoria, Australia.
back to top Bronze Level ($1,500)
East Harbour Energy	Contact: Mike Suggate, Director Phone: +64 4 3854398 Email Web site
East Harbour Energy is a consulting business with a strong commercial, economic and technical capability. Our primary focus is on energy and soundly based commercial outcomes. We provide strategic and commercial advice and support to a wide range of businesses and organisations, including manufacturers, building owners, energy companies, government and local authorities. We have wide experience based on over 10 years of assignments as a team as well as the extensive experience of our team members. East Harbour's core business areas include, strategic advice and planning, energy management, project management, business advice and forecasting, and the provision of executive management services.
Downer	Contact: Phone: Email Web site
Details coming soon.....
Geothermal Development Associates	Contact: Yvette Hamacek Phone: +1 775 825 5800 Email Web site
Geothermal Development Associates (GDA) is a privately held company with over 30 years of worldwide experience in geothermal power and direct use applications. Our staff of engineers, geologists, and geoscientists has the capability to oversee projects during every stage, from resource exploration and well-testing to the design, supply and commissioning of a new power plant or rehabilitation of an old one.
Meridian Energy	Contact: Mark Racle Phone: +64 3 3579704 Email Web site
Meridian Energy Limited is a renewable generator and developer in New Zealand. We also retail electricity. We're also an offshore renewable energy developer, and an innovator in energy products and services. Meridian is a state-owned enterprise. The Meridian Group has offices in Wellington, Christchurch, Twizel, Auckland, San Fransciso and Melbourne. What We Do: We retail electricity to residential, rural and business customers through our Meridian and Powershop brands. We generate electricity from wind and water in New Zealand, wind in Australia and solar in the United States of America. In New Zealand, the company is the largest electricity generator, owning and operating seven hydro stations, six within the Waitaki Hydro Scheme, and four wind farms across New Zealand.
Eastland Generation	Contact: Gavin Murphy, General Manager Phone: +64 6 8690711 Mobile: +64 21 760 029 Email Web site
It's not by chance that Eastland Group is positively booming in the first city to greet the new sun each day. There's a freshness about this company that flows from the very top through to the staff and the surrounding Gisborne and East Coast communities. Eastland Group is a collection of businesses that span the logistics, aviation and energy industries, with its heart in Gisborne but with bases throughout the nation. It's a Gisborne based national company that firmly understands the need for a solid quadruple bottom line – one that is... economic; environmentally aware; socially responsible and culturally understanding.
Genesis	Contact: Jane Bydder Phone: +64 9 5804806 Email Web site
Genesis Energy ... a business creating energy solutions that answer the needs of our customers in a sustainable, responsible way. A focused group of people dedicated to developing efficiency electricity generation from diverse sources in order to delivery innovative products to our customers and a return for our shareholders - the people of New Zealand. And a commitment to do that by working alongside our communities and looking after the environment in which we live and operate.....more >>
Tauhara North No 2 Trust	Contact: Kevin McLoughlin, CEO - Ringa Matau Limited Phone: +64 7 3457534 Email Web site
We are the co-owner of the Nga Awa Purua Geothermal Power Station in a joint venture with Mighty River Power. The Rotokawa Reservoir part sits under land owned by Tauhara North No 2 Trust. Ringa Matau Limited is the wholly owned subsidiary of Tauhara North No 2 Trust and performs all commercial activities for Tauhara North No 2 Trust.
AECOM New Zealand	Contact: Warwick Cutfield, Tech Director - Power & Energy Phone: +64 9 3791283 Email Web site
At AECOM, we are leaders in integrated planning and engineering solutions for a sustainable energy future. Our mission is to help our clients achieve their aspirations in terms of shareholder growth and long term sustainability. AECOM promote innovative, commercial attractive concepts, at the same time help with the transition to a low carbon economy, reduce energy consumption, develop low carbon and renewable solutions, cut carbon emissions and improve grid reliability. With over 90 years of experience in more than 95 countries around the world, we have helped our clients conceive, plan and build energy projects of every type and size, totalling more than 60,000 MW installed capacity, 7,200 km of transmission lines and $700 million of energy efficiency and optimisation improvements. Our integrated full services framework achieves speed-to-market by bringing together a unique combination of technologists, planners, project managers and advisors.
Pukeroa Oruawhata Trust	Contact: Malcolm Short, Chairman Phone: +64 7 3488887 Email Web site
The Trust was established in 1981 for the purpose of administering the "township sections" on behalf of the beneficial owners of Ngati Whakaue. Pukeroa Oruawhata Trust continues to monitor the use of lands donated by the tribe to the city and now administered by the RDC under an accord with Pukeroa Oruawhata Trust. These lands comprise gifted reserve land in and around the city. Central Government still retain the administration of the Whakarewarewa reserve. Pukeroa Oruawhata Trust is working through the Office of Treaty Settlements to ensure that these lands and others that rightfully belong to Ngati Whakaue are not alienated.
Hawkins Infrastructure	Contact: Bruce Habershon, General Manager Phone: +64 9 9188100 Email Web site
Hawkins Infrastructure target Infrastructure projects all over New Zealand. We operate locally, nationally and internationally, offering a true multi-disciplinary approach to turnkey project delivery and adding value to clients on a diverse range of projects, With a depth of knowledge and experience in delivering complex infrastructure, environmental and open space projects, we offer innovative and cost-effective solutions to the challenges posed by clients, developing superlative track record in creating essential national infrastructure. Our proven system of integrated project delivery enables us to manage all infrastructure needs seamlessly. We are increasingly involved in diverse and new delivery models such as "Engineer, Procure and Construct" (EPC) contracts that allow us to flex our capabilities and add the most value to projects from the design phase through to handover. We are able to direct all phases of the project from planning, costing, design, delivery and operation to ensure risk mitigation with the highest quality, safety and environmental standards possible.
Allied Industrial Engineering	Contact: Jevon Priestley, Sales & Marketing Manager Phone: +64 7 3238877 Email Web site
Allied Industrial Engineering Ltd offers a complete range of engineering services both nationally and internationally to various industries.  The sectors we service include: Power Generation, Pulp and Paper, Marine, Defence, Mining, Wood, Steel and Food Processing and Component Manufacturing. We specialise in heavy machining, manufacturing, repair and refurbishment and maintenance work for many industries. Our services include: machining, fabrication, fitting, balancing, design and engineering project management. Our world-class workshops are equipped with modern machinery and innovative technology. Our Quality Management System meets the requirements of ISO 9001:2008 and we place a high emphasis on documented systems and procedures.  This means we are able to guarantee high quality products and services at all times. Our company vision is to be the expert in quality heavy engineering solutions to the Pulp and Paper and Power Generation sectors in the South Pacific. This can only be achieved by our skilled and experienced staff who have a positive attitude and are dedicated to serving our customers.
Whakarewarewa	Contact: Julia Schuster-Rika, General Manager Phone: +64 7 3493463 Email Web site
The Living Thermal Village - Te Whakarewarewatanga O Te Ope Taua A Wahiao meaning "The uprising of the warriors (war party) of Wahiao". Set amidst a landscape of erupting geothermal activity, hot thermal springs and hot bubbling mud pools is the Living Thermal Village of Whakarewarewa, situated in the heart of the tourist diamond of Rotorua. Discover our unique lifestyle and traditions. Join a guided tour and see the wonders of mother nature and learn how we have come to live in harmony within this unique landscape and environment. Nau mai, haere mai, whakatau mai - Welcome, Come In, Make Yourself At Home.
Weatherford	Contact: Bruce Tulloch Phone: +64 6 7551129 Email Web site
Weatherford International Ltd. (NYSE / Euronext Paris / SIX:WFT) is one of the largest global providers of advanced products and services that span the drilling, evaluation, completion, production and intervention cycles of oil and natural gas wells. Weatherford employs more than 50,000 employees worldwide, operates in more than 100 countries to include 125 globally distributed manufacturing facilities supporting 900 service bases and 16 technology development and training facilities.   Today’s Weatherford is a result of internal growth and innovation as well as the consolidation of more than 250 strategic acquisitions. From a strategic standpoint, Weatherford has two key objectives--efficiency and productivity. Weatherford strives for efficiency, both in terms of delivering results for its clients as well as leveraging its worldwide infrastructure. The ultimate goal in both cases is to help reduce costs and increase well productivity. As well, Weatherford has created a more streamlined organizational structure to continue a push towards greater individual productivity levels through more intensive recruiting, training and retention.
Institute of Earth Science and Engineering (IESE)	Contact: Prof. Peter Malin, Director Phone: +64 9 3737599 Email Web site
The Institute of Earth Science and Engineering (IESE) of The University of Auckland with affiliation to the Geothermal Institute, provides innovative research in the study of active tectonics and hydrothermal systems, and seeks to apply the resulting knowledge and technology to geological hazards (volcanic and seismic), geothermal exploration, resource evaluation, and subsurface monitoring.  IESE’s focus on geothermal systems includes areas of geothermal geophysics and geology, reservoir modelling, geochemistry and mineralogy, custom borehole equipment design and installation, and micro-seismic monitoring. Recent project sites include: the Americas, Africa, Australasia, the Southwest Pacific and Europe.  The Institute has input for its geothermal programme from 3 University of Auckland teaching faculty, 9 full time professional research staff, 3 postgraduate students, and 4 IESE-associated geothermal consultants.  IESE works on both public and private concerns, seeking to deliver project-relevant research, professional short course training, and commercial services.
Western Energy Services	Contact: Dane Coppell Phone: +64 7 3768145 Email Web site
Provider of well services to the geothermal, water, oil and gas industries.
Bay of Plenty Regional Council	Contact: Bridget Robson Phone: +64 800 368267 Email Web site
Back in 1989, the Government took 25 organisations and turned them into the Bay of Plenty Regional Council. As caretakers of our land, air and water, Bay of Plenty Regional Council monitors the effects of human activities on our environment. We also promote the sustainable management of our natural and physical resources for present and future generations. Bay of Plenty Regional Council's work guides and supports the sustainable development of the Bay of Plenty. We want to make sure our region grows and develops in a way that keeps its values safe for future generations. A major focus of our work involves looking after the environment. We manage the effects of people's use of freshwater, land, air and coastal water. However, we also have a broader responsibility with others for the economic, social and cultural well-being of the regional community.
Halliburton	Contact: Nick Schischka Phone: +64 6 7559240 Email Web site
Founded in 1919, Halliburton is one of the world’s largest providers of products and services to the energy industry. With more than 60,000 employees in approximately 80 countries, the company serves the upstream oil and gas industry throughout the lifecycle of the reservoir – from locating hydrocarbons and managing geological data, to drilling and formation evaluation, well construction and completion, and optimizing production through the life of the field. Our Business Halliburton consists of two divisions: Drilling and Evaluation and Completion and Production. As of December 31, 2010, these two divisions accounted for approximately 18.0 billion dollars in Revenue.
Dobbie Engineers	Contact: Phone: Email Web site	logo coming soon
details coming soon...
Alstom New Zealand	Contact: Phone: Email Web site	logo coming soon
details coming soon...
back to top