Our Grid

Transpower is committed to providing New Zealand with a safe, reliable, cost-effective and future-focused grid. 

We look after more than $5 billion worth of assets that span the length and breadth of the country. We will match infrastructure to need over time and our asset management framework plans for this.

By the numbers:

  • 30,000: properties that our assets are situated on
  • 25,000: transmission towers
  • 11,000: kilometres of lines
  • 170: substations
  • 2: National Control Centres

Explore: