Empowering our energy future
Delivering the renewable, electrified, low-carbon economy set out in Whakamana i Te Mauri Hiko
% Renewables
What we do
Transpower holds a unique position in the New Zealand energy sector as both National Grid owner and System Operator.
Connections
We’re working at pace to connect new generation, storage and load to increase reliable electricity supply for all New Zealanders.
Security of supply
In our system operator role, we work closely with industry and government to understand whether there is enough electricity to power New Zealand now and into the future.
Educational resources
Ever wondered how there’s always electricity when you turn on a light or charge your device?
27 Feb 2026
Transpower announces half-year results
Transpower today released its financial results for the six months ending 31 December 2025.
26 Feb 2026
Transpower substation work protects both electricity supply and threatened fish
Work to boost flood protection at Transpower's Stoke Substation helped ensure electricity supply into Nelson-Tasman was uninterrupted through the serious flood events in 2025.
11 Feb 2026
News from Transpower - February 2026
Every month we release an e-newsletter with the latest information from Transpower.
28 Jan 2026
Energy plan for Queenstown includes new Cromwell–Queenstown transmission line
Transpower, Aurora Energy and PowerNet today announced the preferred transmission option for the region is a new 110 kV electricity line from Cromwell.
Whakamana i Te Mauri Hiko tū mai Aotearoa
Our core purpose is to empower the energy future for New Zealand – a future that delivers a net-zero carbon economy and a reliable and secure electricity system.
Our core purpose is to empower the energy future for New Zealand – a future that delivers a net-zero carbon economy and a reliable and secure electricity system.