Energy

Private ownership for pumped hydro?

Ian Llewellyn and Oliver Lewis
Thu, 03 Feb 2022

Lake Onslow in Otago is the base case for a current study on pumped hydro and other solutions to the dry year problem (Image: Supplied).

Ian Llewellyn and Oliver Lewis
Thu, 03 Feb 2022

The government is not ruling out a private or a mixed public-private ownership model for the potential pumped hydro scheme at Lake Onslow.The NZ Battery Project is currently investigating the project, estimated at costing anywhere between $4 billion and more than $10b, as well as alternative solutions to the 'dry year’ electricity problem when the hydro lakes run low.BusinessDesk provided a progress update this week, reporting that geotechnical investigations at Lake Onslow, an artificial lake in Otago, are due to start.The Onslow pro...

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