Tuwharetoa Geothermal Kawerau

Ngati Tuwharetoa Geothermal Assets (NTGA) is a wholesale Steam and Brine Supply Business currently supplying a mix of industrial customers in Kawerau.
Sufficient Environmental Permits are held to enable the current production levels from the Kawerau field to double.
NTGA can provide a complete steam and brine supply service including:-
  • Geothermal steam supply from 5 to 15 bar;
  • Geothermal Brine supply from 100 to 150°C;
  • Clean Steam supply from 5 to 15 bar;
  • Condensate collection and re-injection;
  • Brine reinjection
 Using geothermal steam and brine for process heat and electricity generation is a permitted activity within the Kawerau District.
NTGA is a wholly owned subsidiary of Ngati Tuwharetoa Holdings Limited and was established to hold and manage the Geothermal Assets of Iwi and complements the special association and history that Tuwharetoa in Kawerau have with the Geothermal Taonga.