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

Port of Tauranga ‘reluctantly’ doubles MetroPort rail fees
Primary Sector

Port of Tauranga ‘reluctantly’ doubles MetroPort rail fees

The port says it's working with KiwiRail on 'long-term arrangements'. 

‘Bluewater backbone’: Lyttelton, Auckland ports plan $1b+ of upgrades
Policy

‘Bluewater backbone’: Lyttelton, Auckland ports plan $1b+ of upgrades

Two of the biggest NZ ports are raising prices as they plan major investments.

Oliver Lewis 02 Jul 2025
Cost of Ōtaki to north of Levin highway nears $2b
Infrastructure

Cost of Ōtaki to north of Levin highway nears $2b

In 2020, the lower North Island expressway was costed at just $817m.

Oliver Lewis 01 Jul 2025
The keys to unlocking Northport's land value
Infrastructure

The keys to unlocking Northport's land value

MMH's land is valued at five times less than its next-door neighbour, Channel.

Ian Llewellyn 30 Jun 2025