Publications and resources

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

Flying near power lines is dangerous as the conductors (wires) can be difficult to see.

In our role as system operator, Transpower has commissioned an external report to investigate the potential value of DER in a New Zealand context. This report broadly considers the value of...

On 2 March 2017, New Zealand experienced a major and complex power system event. The event resulted in the South Island power system splitting into two separate systems.

Electricity transmission, as well as many electrical appliances, produces electric and magnetic fields (EMF) of extremely low frequency.

This factsheet describes the nature of electric and magnetic fields particularly as they relate to electricity transmission.

This fact sheet provides information on typical electric and magnetic field levels found in the environment including around transmission facilities.

This fact sheet discusses the health effects of electric and magnetic fields.

This fact sheet provides the international and national consensus on safety guidelines for electric and magnetic field exposures.

This publication presents an update to the ten year forecast fault levels report. The Connection Code contained in Schedule 8 to the Benchmark Agreement requires Transpower to publish a...