Onslow now estimated to cost over $15b, govt keeps options open

Onslow now estimated to cost over $15b, govt keeps options open
Energy minister Megan Woods keeps Onslow open as an option, but other ideas are still on the table. (Image: Getty)
Ian Llewellyn
The government is moving to the next stage of looking at the Lake Onslow pumped hydro project, which is now estimated to cost $15.7 billion, but it's keeping other options open because of the significant costs.Energy minister Megan Woods said work would continue on the New Zealand Battery Project, looking at the “viability of pumped hydro as well as an alternative, multi-technology approach” to the dry year problem.The battery project is looking at solutions to the dry year issue. This is the question of how will the electricity...

More Infrastructure

‘Remarkable growth’: Fulton Hogan posts higher profit
Economy

‘Remarkable growth’: Fulton Hogan posts higher profit

Fulton Hogan paid a total dividend of $180.4m for 2025.

Duncan Bridgeman 05 Nov 2025
EPA head quits with fast-track changes
Policy

EPA head quits with fast-track changes

The latest fast-track reforms go far beyond supermarket resource consenting.

Could your KiwiSaver soon own your local water system?
Finance

Could your KiwiSaver soon own your local water system?

Founder Sam Stubbs says 90% of Kiwis back the idea of owning local utilities.

Garth Bray 03 Nov 2025
Big names for Wellington Water board
Finance

Big names for Wellington Water board

Credit rating agency warns that water reforms are no council debt panacea.

Pattrick Smellie 31 Oct 2025