Overview
Ngāti Tūwharetoa Geothermal is a wholesale steam and brine supply business supplying a mix of industrial customers in Kawerau. We are currently operating in one of the largest geothermal fields in the world.
We specialize in the development, management, and commercialisation of geothermal energy. The company operates in partnership with energy providers and stakeholders, contributing to New Zealand’s transition to a low-carbon economy.
Process Heat
We supply geothermal process steam at pressures of 7 to 16 bar, with around 2.8 GJ of thermal energy per tonne of steam. We also supply process water at a temperature of 170 degC (7 bar), with around 0.7 GJ of thermal energy per tonne of water.
90% less Carbon
Kawerau geothermal process heat emissions intensity is only 0.007 tCO2(eq) per GJ while LNG is at 0.054 tCO2(eq) per GJ.
Abundant Energy
Around 14.8 PJ of geothermal energy produced per year with access to 10.7 PJ of consented geothermal energy to meet additional and future demand.
Our Field Equipment
Geothermal Well Bores
Production and reinjection of geothermal fluid enabled by 14 in-service wells.
Steam-Water Separators
Geothermal process steam and water available at 9-22 bar pressure.
Clean Steam Plants
Geothermal process steam without geothermal gases available at 13-17 bar pressure.