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?
18 Jun 2026
Transpower welcomes Commerce Commission approval for Cook Strait cable investment
Transpower welcomes the Commerce Commission’s final decision today to approve its $1.1 billion investment in New Zealand’s High Voltage Direct Current (HVDC) inter-island electricity link.
12 Jun 2026
News from Transpower - June edition
Read the latest from Transpower in our June edition.
13 May 2026
News from Transpower - May 2026
Read the latest from News from Transpower in our May update
28 Apr 2026
Transpower to complete $47m Redclyffe rebuild following Cyclone Gabrielle
The Commerce Commission has today given its final approval for Transpower’s $47 million investment to complete the rebuild of Redclyffe substation.
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.