Resources

… 2025 Generation Stack Report Prepared for Transpower New Zealand Ltd Prepared by … stack currently used by Transpower in its forward planning activities, held in Appendix F of The Transpower … for Transpower, the owner and operator of the national transmission grid, which uses the ‘Generation Stack’ data to …

… Copy to: [email protected]; Interruption Report: Upper South Island Loss of Supply – 23 October 2025 … a drone survey, which is underway. Transpower must publicly report for each unplanned interruption over one system … will not be fully complete until early next year. Figure 1: Transmission system map: ISL–KIK–1 is on the (dashed) single …

… System operator initial report: Hawke’s Bay loss of supply This document outlines … conditions 3.1 Hawke’s Bay power system The Hawke’s Bay transmission system (known as grid zone 5) is depicted in … slip has exposed a section of the Firstgas Bay of Plenty transmission pipeline near Gisborne. Note: Gas supply to …

… Power BI Desktop Market Operations Weekly Report - Week Ended 14 December 2025 TRANSPOWER // MARKET … GWh was transferred north. AC asset outages have reduced transmission capability, causing the northward limit to … disturbances that, if unmitigated, might interfere with transmission lines. Taking Earth’s magnetic field as B ≈ 50 …

… Power BI Desktop Market Operations Weekly Report - Week Ended 29 June 2025 TRANSPOWER // MARKET … more closely through the market schedules. The latest NZGB report is available on the NZGB website. Electricity Market … including about development of new generation and transmission infrastructure.  The sector is already …

… Power BI Desktop Market Operations Weekly Report - Week Ended 9 November 2025 TRANSPOWER // MARKET … during tight supply-demand conditions. From an outage planning perspective, having slow-start thermal generation … and tighter system conditions, particularly when planned transmission and generation outages increase grid …

… Power BI Desktop Market Operations Weekly Report - Week Ended 25 January 2026 Generation - MW 0 2,000 … South Islands. Over the past six months and ongoing, HVDC transmission limits have been reduced due to synchronous condenser outages and transmission outages in the lower North Island. Due to these …

… Power BI Desktop Market Operations Weekly Report - Week Ended 26 January 2025 TRANSPOWER // MARKET … storage, increasing demand and some central North Island transmission outages. Hydro generation contributed 55%, wind … GWh was sent north and 3 GWh was sent south. Transpower is planning an outage on the HVDC link on 8 February ahead of …

… Power BI Desktop Market Operations Weekly Report - Week Ended 13 July 2025 TRANSPOWER // MARKET … more closely through the market schedules. The latest NZGB report is available on the NZGB website. Electricity Market … because of planned or unplanned outages of parts of the transmission grid. Any outages of Albury – Tekapo circuits …

… structure Section 2: Strategy 12 2.1 From strategy to planning 2.2 Scenario analysis 2.3 Financial planning and … owner and operator of Aotearoa New Zealand’s electricity transmission network, the National Grid1, and the System … » XRB Transpower is a State-Owned Enterprise and a Climate Reporting Entity (CRE) under the Financial Markets Conduct …