General news

System operator consulting on the 2023 security of supply assessment

  • Generation

Transpower, as the system operator, is responsible for publishing the medium-term security of supply assessment (SOSA) each year.

Transpower is seeking feedback on the draft 2023 SOSA to consider prior to its final publication. Submissions are invited by 26 May 2023. View consultation.

The SOSA provides a 10-year assessment, from 2023 to 2032, of the balance between supply and demand in the New Zealand electricity system. It informs risk management and investment decisions by generators, other market participants, and investors.

The assessment forms part of New Zealand’s electricity security of supply framework, as described in the Security of Supply Forecasting and Information Policy and the Emergency Management Policy.

Related News

Solar generation now and in the future

There is currently around 270 MW of installed solar generation in New Zealand. This adds up to about the same capacity of a coal or gas fired Rankine generatio…

New EMI report: scheduled generation outages

We've published a new report on EMI that shows scheduled generation outages by generation type, participant and island. This report has been produced to bet…

Future security and resilience indicators published

The Electricity Authority Te Mana Hiko has published a set of indicators that will support us, and industry participants, to monitor changes to the opportuniti…