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Geo40 raising about $10m for next stage of lithium journey

Cleantech company is commissioning a demo plant in New Zealand to scale up its lithium mineral extraction technology.

Geo40’s new demo plant at the Ohaaki geothermal power station.

Key points
  • What’s at stake: Cleantech company Geo40 is raising $10m to accelerate its plans to commercialise its sustainable lithium extraction technology.
  • The background: Raising capital has been raised as the biggest issue facing NZ’s nascent cleantech sector, which comprises more than 130 companies.
  • The players: Geo40, Kānoa, Vision Blue, Tembo Capital, cleantech sector.

Cleantech company Geo40 is raising about $10 million to speed up its sustainable lithium extraction technology being deployed at scale.

Cleantech is a subset of the much larger overall green economy and covers sustainably focused tech companies aiming to disrupt existing industries with novel

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Fiona Rotherham Mon, 01 Sep 2025
Contact the Writer: fiona@nbr.co.nz
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Key points
  • What’s at stake: Cleantech company Geo40 is raising $10m to accelerate its plans to commercialise its sustainable lithium extraction technology.
  • The background: Raising capital has been raised as the biggest issue facing NZ’s nascent cleantech sector, which comprises more than 130 companies.
  • The players: Geo40, Kānoa, Vision Blue, Tembo Capital, cleantech sector.
Geo40 raising about $10m for next stage of lithium journey
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