Resources

… consultation Attachment 2: Cable Condition Assessment Report May 2025 TRANSPOWER NEW ZEALAND | HVDC LINK UPGRADE … local abnormal environmental conditions. LIRA is based on transmission line theory. Defects are identified by … assessments of our three HVDC submarine cables and are planning for their end-of-life replacement assisted by our …

… regarded as the preferred solution for bulk electricity transmission, both onshore and offshore, with numerous … replacement will involve significant complexity, detailed planning, and rigorous testing. Our investigations have also … identified in the thermal fuel transition impact assessment reports.15 Where a step load appears to be also captured in …

… 2024 Interconnection Asset Capacity and Grid Configuration Report Data ..... 1 1.1 Background … and interested participant understanding of our Outage Planning processes and to improve transparency of Transpower … discussed the proposed outage plan with each designated transmission customer and interested participant on an …

… 12 3.3 Non-transmission solutions … and reliability of the HVDC submarine cables. While planning the cable replacement, we have reviewed other … of the preferred option. These costs are recovered through transmission charges. This document provides an overview of … Good Electricity Industry Practice (GEIP). The Expert’s report will be published and submitted to the Commission …

… options and modelled projects, • cost of losses, including transmission and local losses, and • reserve costs. The … estimated the additional costs required to reinforce the AC transmission network if the HVDC link was removed. As a … parameters Comment Demand scenario Net benefits are reported for each of the EDGS scenarios under consideration. …