There are a number of potential developments, with two new generation projects currently (2018) under construction. TAOM (link) (Eastland Energy and A8D Trust) is a 26 MWe Ormat, 2-phase binary plant currently commissioning. Ngawha (link) C (Top Energy) is a 27 MWe Ormat 2-phase binary plant due to commission in 2020.
With the price of carbon forecast to increase under a strengthened Emission Trading Scheme, as well as a new Zero Carbon Bill, new geothermal developments will be required to support the phase out of thermal generation and transition to electric powered transportation.
Table: Potential Upcoming Geothermal Developments.
|Te Ahi O Maui (Kawerau)||20||2018||Eastland Group and Kawerau A8D Ahuwhenua Trust||Four wells drilled, construction on schedule|
|Ngawha 3||25||2020||Top Energy||Four wells drilled in 2018|
|Ngawha 4||25||2023||Top Energy||Planning stage|
|Taheke||?||?||Contact & Taheke 8C and the Adjoining Blocks Inc||Three Exploration wells drilled.|
|Te ia o Tutea (Taheke)||?||?||Mercury, Okere Inc and Ruahine Kuharua Inc||Agreement for expansion and cooperative development|
|Misc||400||By 2025||Various||Balance of unspecified projects including late stages of existing developments|