Resources

… Summary Report System Security Forecast 2024 Version: 1 Date: … is crucial for guiding the System Operator’s strategic planning and operational decisions, ensuring that we are … and STATCOMs in place, there is now less need to switch off transmission circuits during periods of light load to manage …

… Annual Outage Planning Forum 23/24 22 March 2023 Introduction ANNUAL … Bog Roy Fighting Bay Te Hikowhenua Oteranga Bay Please note Transmission Lines are excluded from this strategy The … plan • Outage planning policy • Outage forum slides • Reporting - planned loss of supply and n-security outage …

… System operator preliminary report: Northland loss of supply This document outlines the … potential overloading of the Henderson_Maungatapere 110 kV transmission circuits. A grid emergency was declared at … (T130 on the Henderson-Marsden A double circuit 220 kV transmission line), auto-reclose was unsuccessful in … 15 Appendix B: Pre-event planning timeline …

… Annual Outage Planning Forum 24/25 21 March 2024 ANNUAL OUTAGE FORUM 24/25 … relation to any assets • After an AVN is sent, designated Transmission Customers or Interested Participants can … • Deliver the in-scope content separately in standalone reports • Publish a 2-yearly summary report of risks to our …

… Annual Outage Planning Forum 25/26 20 March 2025 Introduction Step … the interconnected grid Planned work includes: • Increasing transmission capacity by 25% (300 MW) under typical … Cromwell – Frankton Line Route • Detailed Implementation Report (DIR): ▪ Geotechnical investigation to some sites ▪ …

… System operator report: Hawke’s Bay loss of supply This document contains … 2.3 Context: Hawke’s Bay power system The Hawke’s Bay transmission system (known as grid zone 5) is depicted in … aerial inspection. A grid emergency was declared and planning for a partial restoration via the system operator’s …

… Energy Margin (NZ-WEM); adequacy of generation and HVDC transmission capacity to meet expected national electricity … a minor increase in the demand forecast compared to that reported in the 2022 SOSA, largely due to information … margins. https://www.transpower.co.nz/system-operator/planning-future/security-supply-annual-assessment …

… Power BI Desktop Market Operations Weekly Report - Week Ended 2 February 2025 TRANSPOWER // MARKET … GWh was sent north and 4 GWh was sent south. Transpower is planning an outage on the HVDC link on 8 February ahead of … base load generation – exceeds the demand or the regional transmission capacity to export generation. In these cases, …

… Energy Margin (NZ-WEM); adequacy of generation and HVDC transmission capacity to meet expected national electricity … a minor increase in the demand forecast compared to that reported in the 2022 SOSA, largely due to information … margins. https://www.transpower.co.nz/system-operator/planning-future/security-supply-annual-assessment …

… System Operator Report: Industry Exercise 2024 This document contains a … customers connected directly to the national electricity transmission grid. We also held workshops ahead of each … Assistant Operations • ELT IMT / Governance Liaison Planning • Real-time Liaison Logistics Intelligence PIM / …