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David Dempsey

David Dempsey

The Conversation

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Hotter and deeper: how NZ’s plan to drill for ‘supercritical’ geothermal energy holds promise and risk

Hotter and deeper: how NZ’s plan to drill for ‘supercritical’ geothermal energy holds promise and risk

Supercritical geothermal is worth exploring and drilling might soon be technically feasible. But its value will be limited if wind and solar energy...

01.04.2025 20

The Conversation

David Dempsey

Leakage is a risk with carbon storage projects – NZ’s new framework must be clear on how to deal with this liability

New Zealand’s government will likely model its carbon capture legislation on Australia and the EU, which means operators are responsible for leaks...

03.03.2025 30

The Conversation

David Dempsey

NZ’s gas shortage was not caused by the offshore exploration ban – but it was still a flawed policy

Historically, gas in New Zealand traded below NZ$10 per gigajoule. When prices hit $50 per gigajoule in August this year, anyone with gas to sell...

01.12.2024 4

The Conversation

David Dempsey

NZ is running out of gas – literally. That’s good for the climate, but it’s bad news for the economy

The coalition government recently announced its plan to reverse a ban on new oil and gas exploration to deal with an energy security challenge...

12.08.2024 1

The Conversation

David Dempsey