Publications and resources

On 11 December Transpower’s HVDC equipment suffered a bi-pole trip while transferring 90 MW to the North Island. The cause was unexpected and, while an explanation was&nbsp...

This 2014/15 Annual Regulatory Report reports on performance for the year ended 30 June 2015 and transmission...

A guide to help keep safe when working around transmission lines.  Contact your landowner liaison officer if you wish to obtain copies of safety stickers for your mobile plant or signage...

This factsheet provides an overview of our business, including financial and investor highlights.

This report describes Transpower's financial and operational performance for the financial year ending 30 June 2015.

Transpower regularly publishes a Transmission Planning Report (formerly the Annual Planning Report) which details the status of all projects that Transpower considers possible over the next...

This statement is submitted by the Board of Directors of Transpower New Zealand Limited, in accordance with Section 14 of the State-Owned Enterprises Act 1986. It sets out the Board’s...

The third quarter operational and financial performance update report for the nine months to 31 March 2015 shows progress against Transpower’s Statement of Corporate Intent...

The report describes Transpower's financial and operational performance for the six months to 31 December 2014.

This 2013/14 Annual Regulatory Report reports on performance for the year ended 30 June 2014 and transmission pricing for the five years starting 1 April 2015.