We have identified that the Central Park–Wilton 'B' transmission line in Wellington will require its conductor (ie wire) replaced by 2020.
We are replacing two transformers at our Ashley substation.
We are installing a new supply transformer at our Hamilton substation, and extending the switchyard there
We are installing a new interconnecting transformer at Halfway Bush in Dunedin to replace an existing transformer there.
Transpower is carrying out an investigation into the need for further capacity to meet peak demand at our Wiri and Bombay substations.
Where appropriate we use Special Protection Schemes to manage parts of the grid after an event.
We are carrying out a project to install two new supply transformers at Huirangi substation to replace the existing units there.
Our current programme focuses on enabling commercial buildings in demand response. Find out more and how you can get involved.
We are carrying out a project to install three new supply transformers at Timaru substation to replace the existing units there.
We need to continually operate, maintain and develop New Zealand's transmission network – the National Grid – to ensure we meet the ongoing electricity needs of New Zealanders.