Publications and resources

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Each year, Transpower publishes a Grid Outputs Report which provides our customers and stakeholders with a summary of the performance of our regulated transmission business over the past...

A best practice guide on the management of trees around transmission lines.

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

In the rare event of a lightning strike or fault on the transmission line, towers or poles may transfer high voltage and dangerous currents into the ground for a very short instant. This is...

Each year, Transpower publishes a Grid Outputs Report which provides our customers and stakeholders with a summary of the performance of our regulated transmission business over the past...

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

A supporting document to our 2018 Integrated Transmission Plan, the Asset Management Plan explains how we undertake asset management.

This report builds on the 2017 Services Report, describing the grid output measures for our regulated transmission business for the third regulatory control period (RCP3) of...

Tranpower's "Keys to Life" are our key safety expectations for Transpower staff and contractors. They are critical to individual safe work practices.