Publications and resources

Our 2018/19 Annual Report is a print-friendly PDF file that includes our corporate governance and financial statements, disclosures and independent auditor's report. We are...

This paper is part of an ongoing suite of analysis and reports that collectively make up the Te Mauri Hiko work programme. It follows the overall Te Mauri Hiko – Energy...

Advances in battery technology are expected to play an important role in enabling our energy future. Distributed Battery Energy Storage Systems (BESS) in New Zealand examines the operational...

This Statement of Corporate Intent (SCI) is submitted by the Board of Directors of Transpower New Zealand Limited, in accordance with Section 14 of the State-Owned Enterprises Act 1986 (the...

In 2018 Transpower launched Te Mauri Hiko – Energy Futures, aimed at stimulating industry discussion on what New Zealand’s energy future could look like. Taking...

Transpower is playing a key role is determining how best to protect vulnerable power grids from devastating geomagnetic storms caused by extreme solar activity.

The performance of our HVDC link directly affects our Grid and wholesale electricity market. Anything we do to improve the efficiency and robustness of this link provides value to all...

Transpower regularly publishes a Transmission Planning Report (TPR) which details the grid asset capability over the next 15 years. ...

Transmission Tomorrow - Our Strategy 2018 sets out our vision of New Zealand's electricity industry over the next 5 - 40 years.