Highlights

  • Mercury is committing $75 million to geothermal appraisal drilling across key Taupō region projects.
  • Total potential Investment of up to $1 billion could add around 1TWh of new renewable generation capacity.
  • First power generation from new developments is targeted for 2030, supporting long-term energy security.

Overview

Mercury NZ Limited (NZX:MCY) is accelerating its geothermal growth strategy with a major expansion plan focused on existing Assets near Taupō. The company has committed $75 million to appraisal drilling at the Ngā Tamariki and Rotokawa sites, which could eventually scale into a total investment of up to $1 billion. If fully developed, these projects are expected to deliver around 1TWh of additional renewable electricity, enough to power roughly 125,000 homes. With first generation targeted for 2030, Mercury is positioning geothermal as a core baseload energy source, supporting New Zealand’s transition toward reliable, low-emission, and weather-independent electricity Supply over the long term.

Why Is Mercury Increasing Investment in Geothermal Energy?

Mercury is expanding its geothermal portfolio to strengthen long-term renewable generation and improve energy security in New Zealand. Geothermal power provides stable, 24/7 baseload electricity, making it an important complement to wind and hydro generation. The company sees significant scalable resource potential in its existing North Island assets and aims to unlock additional capacity through phased development. This investment also aligns with national energy goals to increase geothermal contribution to the grid while supporting growing electricity Demand from households and industry.

What Makes Mercury’s Geothermal Strategy Attractive for Long-term Growth?

Mercury’s strategy is built around expanding proven geothermal fields with strong existing infrastructure, reducing development risk compared to greenfield projects. The company has a multi-decade operating track record, established partnerships, and technical expertise in geothermal exploration and production. By funding early-stage appraisal internally, Mercury maintains financial discipline while retaining flexibility for future Capital allocation decisions. The long-term pipeline, including conventional and next-generation geothermal Options, positions the company to benefit from rising demand for reliable renewable energy and potential technological advancements in deep geothermal systems.