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Last updated: 17 Apr 2025
Ancillary Services Procurement Plan 2025_CLEAN
… 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; ensuring the black start …
Ancillary Services Procurement Plan 2025_CLEAN.docx
(DOCX 196.65 KB)
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 …
Ancillary Services Procurement Plan 2025_tracked changes.docx
(DOCX 226.13 KB)
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 …
Part C Study Approach.pdf
(PDF 329.53 KB)
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 …
Part A Executive Summary.pdf
(PDF 386.89 KB)
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 …
Market Operations - Weekly Report - 19 January 2025.pdf
(PDF 2.59 MB)
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 …
2025 SOSA - Draft Appendices.pdf
(PDF 2.01 MB)
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 …
Evolving_Market _Resource_Coordination_FINAL.pdf
(PDF 1021.86 KB)
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 …
SO Industry Forum 3 December 2024.pdf
(PDF 3.32 MB)
Last updated: 17 Jul 2023
Part D SI Backbone.pdf
… south transfer might not be achievable due to North Island transmission and generation constraints following the … g e | 6 2. SYSTEM CONDITIONS Transpower’s 2022 Transmission Planning Report (TPR) has identified four system conditions that …
Part D SI Backbone.pdf
(PDF 1.67 MB)
Last updated: 06 Sep 2024
Northland Loss of Supply Investigation (System Operator-Commissioned).pdf
… maintenance. The two 220 kV circuits run on a single transmission line. The event required the Northland regional … the 220 kV circuits was livened on Sunday 23 June 2024. The report, commissioned by Transpower as system operator, … measurement unit PPO Principle performance obligation PPS Planning and Project Support (team within Operations …