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Last updated: 17 Apr 2025
Ancillary Services Procurement Plan 2025_tracked changes
… services (clause 8.43(f) of the Code) 15 System operator reporting to the Authority (clause 8.43(g) of the Code) 16 … and dispatching ancillary services to assist it in planning to comply and complying with its dispatch objective … generation output that supports the initial charging of transmission circuits and assets;, and the progressive …
Last updated: 16 Dec 2022
Part C Study Approach.pdf
… and Part E: Frequency Principal Performance Obligations. REPORT STRUCTURE The System Security Forecast (SSF) analysis … aligns with the forecast developed for Transpower’s 2022 Transmission Planning Report (TPR), however, is aligned with the Grid …
Last updated: 16 Dec 2022
Part A Executive Summary.pdf
… and reduce further with new industrial load in Southland. • transmission constraints are most likely to bind across the … Lower North Island. • six previously identified constraints reported in 2020 have or will be mitigated through completed … the New Zealand Generation Balance, the Transmission Planning Report, and other regular updates on the market and …
Last updated: 10 Dec 2025
Market Operations - Weekly Report - 7 December 2025
… Power BI Desktop Market Operations Weekly Report - Week Ended 7 December 2025 TRANSPOWER // MARKET … more closely through the market schedules. The latest NZGB report is available on the NZGB website. Electricity Market … 66 GWh was transferred north. AC asset outages have reduced transmission capability, causing the northward limit to …
Last updated: 21 Jan 2025
Market Operations - Weekly Report - 19 January 2025
… Power BI Desktop Market Operations Weekly Report - Week Ended 19 January 2025 TRANSPOWER // MARKET … more closely through the market schedules. The latest NZGB report is available on the NZGB website. Electricity Market … hydro storage, reduced wind, and some central North Island transmission outages. Hydro generation contributed 61%, wind …
Last updated: 09 May 2025
2025 SOSA - Draft Appendices
… 20 A3.5 Inter-Island Transmission Assumptions … 34 Appendix 6: Security of Supply Reporting 36 TRANSPOWER NEW ZEALAND | APPENDICES FOR DRAFT … winter energy demand on a gross basis, inclusive of transmission losses and adjusted for demand response, where … Modelling team and align with those used for transmission planning and strategic planning. They are developed …
Last updated: 07 Jul 2025
GL-EA-953 Connection Study Requirements for Connecting a New Generating Station.pdf
… 9 3.2. Connection Studies Report … to normal commercial operation. Feasibility Initiation Planning Delivery Commissioning Closeout GL-EA-716 Power … if your generating asset is connected directly to the grid transmission network. We have summarised these obligations …
Last updated: 12 Aug 2024
Evolving Market Resource Coordination
… data centre growth: Whakamana i Te Mauri Hiko Monitoring Report - October 2023 2 This can be seen in the future … https://www.transpower.co.nz/system-operator/planning-future/security-supply-annual-assessment … of ancillary services purchased by the system operator.” 4 Transmission connected generation and embedded generation …
Last updated: 03 Dec 2024
SO Industry Forum 3 December 2024
… very low in the North Island What this means for planned transmission outages: • The system operator’s usual generation planning assumptions for thermal generation (i.e 90th … section of our website. Winter 2024 Review: This report reviews the performance of the electricity system and …
Last updated: 30 Jun 2025
2025 SOSA - Final Appendices
… 20 A3.5 Inter-Island Transmission Assumptions … 31 Appendix 6: Security of Supply Reporting 33 Appendix 7: Summary of changes to draft SOSA 34 … winter energy demand on a gross basis, inclusive of transmission losses and adjusted for demand response, where … Modelling team and align with those used for transmission planning and strategic planning. They are developed …