A private consortium plans to lodge a fast-track consent application for the pumped hydro storage scheme in the "next week or two".

This is the best option for New Zealand to achieve 100% renewable energy.

It’s a giant battery that can store solar and wind energy for later use which would drive the price of electricity down, which would reduce the money / dividends the government gets from its 51% stake of the three biggest gentailers: Meridian, Mercury, and Genesis.