Publications and resources

The Electricity Industry Participation Code (the Code) requires Transpower to publish the Grid Reliability Report (GRR), Grid Economic Investment Report (GEIR) and the ten year forecast fault...

The 2015 Asset Management Plan explains how we undertake asset management and describes our plans for 16 different asset classes.

This brochure provides guidance to operating large irrigators near existing overhead high voltage transmission lines, and suggests ways to avoid electrical hazards.

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...

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 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.

The Electricity (Information Disclosure) Regulations 2004 form part of the Government's regulatory regime for the electricity sector. The purpose and nature of these Regulations is...