22
Australasia Region – Downunder Andy Blair GNS Science, New Zealand [email protected] 24 October 2016
Australasia - Upabove
Australia
• Geodynamics abandons H b EGS j t dHabanero EGS project and Pacific Island hydrothermal projects
• Federal government budget cuts in renewables
• Geothermal focus moves to direct use and ground source heat pumps
Source: pesa.com.au
• Both direct heating and ground source heat pump installed capacity is steadilyinstalled capacity is steadily increasing in WA
Source: Rockwater Pty Ltd
Australia
• New Australian Geothermal Association (AGA)New Australian Geothermal Association (AGA)• Forum for discussion and collaboration between
individuals who remain passionate about geothermal i A t li d th id th l ldenergy in Australia and the wider geothermal world,
as well as a channel for communicating the benefits of geothermal energy to the broader community.g gy y
Peninsula Host Springs, Mornington Peninsula, Victoria Source: peninsulahotsprings.com
Papua New Guinea
• Geothermal policy developmentp y p• Encourage commercial exploration• Work with others – SPC, MSG, IRENA,
Japan, NZJapan, NZ• Mineral Resources Authority (MRA)
sample hot springs on New Britain island• Geochemical mapping program• Geochemical mapping program • Database of info to share publicly
Travertine sinter, Papua New Guinea Highlands. Credit: Nathan Mosusu, Mineral Resources Authority,
Papua New Guinea
West New Britain geothermometry >˚200C
All images from Maxine Lahan, MRA, Papua New Guinea
A New Zealand Geothermal System
Image from Greg Bignall, GNS Science
New Zealand Energy Generation
Juliet Newson, Contact Energy, 2016
New Zealand’s Geothermal Resources
Tangata Whenua - Māori
Members of Te Kapa Haka o Te Whanau‐a‐ Apanui. Credit: Martin Hunter / Getty
Kaitiakitanga - Guardianship
Māori are tangata whenua. Not people in the land or over the land but people of itland, but people of it.
(Jackson, 1993:71)
Ngātoroirangi Rock Carving, Mine Bay, Lake Taupo. Credit: Flickr by Abaconda Management Group/ CC BY‐SA 2.0
New Zealand Geothermal Development
• Top Energy, Ngawha 50MWNgawha 50MW expansion
• Te Ahi a Maui• Te Ahi a Maui, Kawerau 25MW project
Juliet Newson, Contact Energy, 2016
p j
Geothermal Direct Use
Tenon, Wairakei
Mokai Horohoro
Direct Use Innovation: Miraka
• Established 2009• 55,000 cows from 100 farms within 85km
of plant• 250ML of milk processed annually250ML of milk processed annually• Exports milk powder and UHT products• Geothermal steam for drying milk
W t lid t f d fl id• Waste solids go to worm farm and fluids are used for irrigation
Other Activities
• Existing consent in place for more generation: Tauhara up to 250 g p g pMWe
• Mighty River Power is now • I125 Tracer Testing – Temperature stable tracerI125 Tracer Testing Temperature stable tracer• NZS2403:2015 Code of Practice for Deep Geothermal Wells
(Standards New Zealand)• New Zealand Geothermal Workshop is 23rd-25th Nov Auckland• New Zealand Geothermal Workshop is 23rd-25th Nov, Auckland
Her Story – New Zealand
Juliet Newson, Contact Energy
Māori women guides shared their knowledge with visitors to the geothermal areas
Juliet Newson, Contact Energy
State of the Nation
Juliet Newson, Her Story Presentation, EGEC 2016
How long till we get there?
• Likely to occur between 2018 and 2022
Projected time to 50% female workforce in geothermalworkforce in geothermal electricity generation
Juliet Newson, Her Story Presentation, EGEC 2016
Women in Geothermal WINGWINGFor the promotion, education and advancement of women in th th l i d tthe geothermal industry
2020
www.womeningeothermal.com
Summary
• PNG: Developing policy infrastructure to facilitate geothermal investmentA li• Australia: Stepping away from geothermal electricity developments and focussing on ground source heat pumps and direct use
• New Zealand: Ngawha expansion; Operational and economic efficiency improvements and sustainable management; Optimising fluid use throughimprovements, and sustainable management; Optimising fluid use through cascade direct use operations; Proactively working on gender equality in geothermal community
Brad Scott, GNS Science
Acknowledgements
• Maxine Lahan, Mineral Resources Authority, Papua New Guinea G B d H t D R k A t li• Graeme Beadsmore, Hot Dry Rocks, Australia
• Juliet Newson, Contact Energy, NZ• Greg Bignall, GNS Science, NZ• Simon Addison, Mercury, NZ
Manoj Kalathara GNS Science
