Resources

… 40 Appendix B: JC2 Consulting Report … there is an efficient level of generation and inter-island transmission to manage the uncertainties associated with … for the National Electricity Market (NEM). Informs planning, decision making and opportunities to invest. …

… supplied to the region through 110 kV and 66 kV transmission circuits, with two interconnecting transformers … in August 2023. Please refer to the Grid Zone 10 SSF report for more information. SYSTEM SECURITY FORECAST: GRID … 5.1 LIGHT LOAD MITIGATION High voltages can occur when the transmission network is lightly loaded, particularly in …

… of year, in part driven by outages on grid constraining transmission to upper North Island. • Geothermal at 22%. Te … 3 outage 2 22/02/2025 08/03/2025 Annual Pole 2 outage NZGB Reported NZGB N-1-G margins for 90% weather risk and Base … https://www.transpower.co.nz/system-operator/planning-future/system-security-forecast Security of Supply …

… of supply, which assesses how much fuel, generation and transmission capacity is available over different time … towards a lower carbon future. 1 See WiTMH monitoring report, New Zealand Steel new electric arc furnace and … MW. Japan – 3% to 8% (a practical metric for short- term planning and coordination as compared to the more “formal” …

… https://www.transpower.co.nz/system-operator/planning-future/security-supply-annual-assessment … risks occur in early/mid-December when some planned transmission outages further restrict generation. • In the … capacity risks during 8-9 December during a planned WKM-WRK transmission outage which limits generation export. While …

… (International Energy Agency) Global Energy Review 2025 report key findings on global energy demand “The increase … coordination of real-time dispatch is shared between the transmission system operator (TSO) and one or more … load management, Transpower and the SO has assumed into its planning and operation, while developing the framework for …

… scenarios as the objective of the analysis is to test the transmission system’s limitations. These are during winter … the New Zealand grid is invaluable, and guidance for this report was solicited from those most familiar with these … the forecast developed for Transpower’s 2023 Transmission Planning Report (TPR) is used in these studies. However, it …

… energy margins assess the adequacy of generation and HVDC transmission capacity to meet expected electricity demand … Document https://www.transpower.co.nz/system-operator/planning-future/security-supply-annual-assessment … mazonaws.com/public/bulk-upload/documents/Market%20insight%20report%20-%20Winter%20Review%20-%2011%20Nov%202022.pdf …

… assessments highlight some upcoming tighter periods due to transmission outages reducing the post- contingent voltage … stem-operator/notices-and-reporting/market-operations-weekly-report/energy-security-outlook … stem-operator/notices-and-reporting/market-operations-weekly-report/energy-security-outlook TRANSPOWER.CO.NZ Any …

… Grid compliance modes, and so can offer a range of network, transmission, and energy market services within NZEM’s … NewPower believes the timeframe for submitting a planning Asset Capability Statement (ACS) should be reduced … frames for asset owners to submit a final connection study report, and for the system operator to review it? NewPower …