EnergyBank has deep-sea plan to store wind power

EnergyBank has deep-sea plan to store wind power
EnergyBank's scale model test rig in Lake Taupō. (Image: EnergyBank)
Greg Hurrell
A New Zealand startup company is hoping to solve wind power’s intermittent generation with a deep-ocean gravity-based storage system. EnergyBank is developing a bolt-on system for offshore wind turbines away from the continental shelf. The concept has led to some jaw-dropping reactions overseas, but the two-year-old company last year secured $2.7 million in seed funding from several venture capital firms.It is not the only New Zealand company with novel ideas for emission-free electricity generation.While startup Vortex Power Systems...

More Energy

The contest for gentailers isn’t electrons – it’s politics
Markets

The contest for gentailers isn’t electrons – it’s politics

Big spend, high stakes: gentailers outline plans that depend on political tolerance.

ComCom sets out price path for gas networks
Infrastructure

ComCom sets out price path for gas networks

Auckland bills will rise about $4 per month.

Ian Llewellyn 27 Nov 2025
Genesis sets out gas strategy
Markets

Genesis sets out gas strategy

Storage, Kupe’s long-term role and LNG flexibility anchor the plan.

Ian Llewellyn 27 Nov 2025
Genesis backs Huntly longevity as renewables pipeline expands
Markets

Genesis backs Huntly longevity as renewables pipeline expands

Huntly is cash-positive in every scenario to FY35 as Genesis expands renewables.

Ian Llewellyn 26 Nov 2025