Last updated: 07 Mar 2025
Drone inspections
Drone inspections deliver high quality detail which provides greater clarity on how we should prioritise our asset maintenance and optimise how we invest in the National Grid.
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Displaying 1 - 10 of 12
Last updated: 12 Dec 2023
Maps and GIS Data
Last updated: 13 Jan 2025
Cook Strait Cable Protection Zone (CPZ)
Last updated: 12 Dec 2022
Drones on our network
The future of our asset maintenance and planning is in data. More specifically, good high-quality images that can be used for analysis.
Last updated: 02 Apr 2025
Interconnection_Branch_Capacity_30032025
March 2025 Interconnection Branch Capacity
March 2025 Interconnection Branch Capacity
(XLSX 53.22 KB)
Last updated: 18 Feb 2025
TMK Overload Protection Scheme Overview (v1.0)
This document provides information on the operation and procedures related to the
Temuka Supply Transformer Overload Protection Scheme Overview.
Temuka Supply Transformer Overload Protection Scheme Overview.
TMK Overload Protection Scheme Overview
(PDF 146.26 KB)
Last updated: 18 Feb 2025
TKU Circuit Overload Protection Scheme - Overview (v1.0)
This document provides information on the operation and procedures related to the Tokaanu (TKU) Circuit Overload Protection Scheme.
Last updated: 18 Feb 2025
20250218 TIM Supply Transformer Overload Protection Scheme - Overview (v1.0)
This document provides information on the operation and procedures related to the Timaru (TIM) Supply Transformer Overload Protection Scheme Overview (transformers: T3, T4, & T6). Has also been referred to as the TIM T3 T4 T6 STOPS Scheme.
Last updated: 18 Feb 2025
OAM-WTK Circuit Overload Protection Schemes - Overview (v1.0)
This document provides information on the operation and procedures related to the Oamaru 110 kV circuit overload protection scheme. This scheme combines two previously separate schemes: Bells Pond-Waitaki Overload Protection Scheme & Black Point-Waitaki Overload Protection Scheme.
OAM-WTK Circuit Overload Protection Schemes - Overview (v1.0)
(PDF 155.27 KB)
Last updated: 18 Feb 2025
AVI-BEN Circuit Overload Protection Scheme - Overview (v1.0)
This document provides information on the operation and procedures related to the AVI-BEN Circuit Overload Protection Scheme (AVI-BEN COPS).
SPS Overview
(PDF 162.33 KB)