Last updated: 17 Mar 2025
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Last updated: 13 Sep 2022
Safety submission form
Let us know if you've seen something concerning or dangerous near our lines or substations.
Last updated: 13 Sep 2022
Your safety
We’re committed to keeping the public, our employees, and contractors safe.
Last updated: 28 Aug 2024
Dynamic stability reports
These reports can be used to track significant changes over time specifically aimed at drawing attention to changes of oscillation behaviour.
Last updated: 14 Oct 2022
Live system and market data
Our home for live power system and electricity market data, including generation, load, and HVDC transfer.
Last updated: 09 Sep 2022
Renewable Energy Zones Consultation Responses 2022
09 Sep 2022
News from Transpower — September 2022

Last updated: 09 Sep 2022
The Development Guide
Our Development Guide provides useful information on the issues relevant to developing near National Grid Lines
Last updated: 17 Sep 2024
National Grid: City & District Plan Rules
Our approach to development is consistent with Government policy.