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 there when you turn on a light or charge your device?
13 Nov 2025
Transpower to launch operational review of TPM
Transpower has today announced it will undertake an operational review of the Transmission Pricing Methodology (TPM).
13 Nov 2025
Space weather event passes
Transpower has lifted the grid emergency that was issued yesterday afternoon now that the G4 geomagnetic storm has reduced in severity.
12 Nov 2025
Transpower takes action to protect grid during G4 solar storm
Transpower issued a grid emergency notice this afternoon as it removed some South Island electricity transmission lines from service due to the onset of a severe (G4) geomagnetic storm.
12 Nov 2025
Plan to power Western Bay of Plenty into the future released
Transpower and Powerco have released a plan to deliver nine major electricity infrastructure projects over the next decade to enable an expected doubling of electricity demand in Western Bay of Plenty
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.