Battery storage in New Zealand

In Transmission Tomorrow, we predicted that in the future battery technologies will change the operation and role of the National Grid.

We are seeking to play a strong role in enabling New Zealand’s energy future. Our recent publication Te Mauri Hiko and related thought pieces aim to inform the debate on how, through electrification, we can meet our goals to limit climate change.

Extended Reserve

Transpower as the system operator is responsible for determining the technical requirements for extended reserve and publishing an extended reserve technical requirements report and extended reserve technical requirements schedule.

Extended Reserve

Project Update

April 2018

In August 2017, the extended reserve manager, advised stakeholders that because of a technical issue there would be a delay in issuing a draft Extended Reserve Procurement Schedule for consultation. The Authority decided to pause the project while they assess options for reliably delivering the scheme.

Ancillary Services Tender

Invitation to Tender for the Supply of Ancillary Services  from 1 December 2019


In 2019, we are inviting tenders for Instantaneous Reserve, Frequency Keeping (Multiple Frequency Keeping and Back-up Single Frequency Keeping),  and Black Start (North Island only). All services will be procured on a two year term from 1 December 2019 to 30 November 2021.