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Last updated: 04 Jun 2025
MEUG - Security of Supply Assessment June 2025 - Submission
… (SoSA) and we appreciated the chance to discuss this draft report with Transpower’s Chief Executive at a recent member … the electricity sector to build the necessary generation, transmission and distribution infrastructure required to … is highlighted in the Frontier Economics upcoming final report on its review of electricity market performance. • …
Last updated: 07 May 2025
HVDC - Short List Consultation Main Document
… 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 …
Last updated: 15 Jan 2026
WUNI2 - Attachment 4 - Benefits modelling
… 1.3 Generation Expansion Planning … 2.1 Transmission Network … to calculate the benefits of investment options to provide transmission into the WUNI region. The main components of … case results are labeled as Option 0 in the charts in this report. TRANSPOWER NEW ZEALAND | WUNI STAGE 2 PROJECT: MAJOR …
Last updated: 02 Oct 2025
Grid Owner - CACTIS Submission
… asset owners to submit asset capability statements at the planning, pre- commissioning, and final stages of the … frames for asset owners to submit a final connection study report, and for the system operator to review it? See … and control. This applies to asset owners, other than transmission network owners… [page 20] …
Last updated: 07 Oct 2025
System Operator - SOSFIP review consultation - October 2025
… both thermal fuels, and to loss of major generation and/or transmission assets for several months. 1.4 Contingent … a dry year) and making the trigger for commencing increased reporting more deterministic.11 25. After receiving the … system (including generation assets, fuel supplies, the transmission grid and forecast demand) up to three years …
Last updated: 11 Feb 2026
2026 Security of Supply Assessment - Reference Case Assumptions and Sensitivities - Response to Feedback
… Margin (SI-WEM): adequacy of generation and north-to- south transmission capacity to meet expected South Island … Our quarterly Security of Supply Outlooks will then report how investment by the market is tracking against the … information supplied by operators to inform security planning. Noted. Fonterra The Gas reference supply case …
Last updated: 02 Oct 2025
Lodestone Energy Ltd - CACTIS Submission_redacted
… to require models be submitted in the TSAT format – most transmission system operators (TSOs) internationally require … of the CACTIS requirements into their project budgets and planning. This lack of clarity on treatment of existing … frames for asset owners to submit a final connection study report, and for the system operator to review it? Yes. Q12. …
Last updated: 03 Mar 2026
TPM Operational Review 2026 Workstream 1 - Consultation Document
… changes (workstream 1) we are considering as part of the Transmission Pricing Methodology (TPM) Operational Review. … wer.co.nz/public/uncontrolled_docs/TPM%20PIR%20-%20summary%20report.pdf?VersionId=MlG3bDWxN.kf3UNqqxflz2i9LsjbFbdY … leading up to and following an adjustment event? II. when planning to connect to a distribution network, what are your …
Last updated: 09 Dec 2025
Otahuhu Whakamaru Line Reconductoring Listed Project - Overview
… A&B lines are an important part of the upper North Island transmission network, connecting Auckland’s network to … due to conductor corrosion. Our condition assessment report concluded that the conductor on this section is at … models covering power system analysis, generation expansion planning, and generation dispatch simulations for the two …
Last updated: 12 Jun 2025
Redclyffe 220 kV Switchyard Resilience Attachment 5 - Application of the Investment Test
… 8 Undiscounted capital costs in both Transpower’s transmission grid and (for Option 3) Unison’s distribution … demand Demand varies by scenario and net benefit is reported for each of the four scenarios. Size, timing, … of $10,000 per MWh, $20,000 per MWh and $50,000 per MWh are reported. Scenario weightings An equally weighted scenario …