Resources
Displaying 61 - 70 of 70
Last updated: 25 Aug 2025
HVDC Cable Discharge Modelling Review.pdf
… of 2023 we published the 2024 Credible Event Review Scope report signalling what we would study during the 2024 … running under the Cook Strait, is a major part of the transmission system which enables the transport of … to identify and review the events deemed credible on the transmission system and to determine if the classification …
Last updated: 05 Jun 2024
SOROP Proposal Paper - 30 May 2024.pdf
… the SOROP 4. The SOROP is one of our key security of supply planning and policy documents. 5. The SOROP is intended to … for shortages of electricity supply and shortages of transmission capacity. • Energy savings targets are aligned … the required weekly information and ensure that this reporting can be done online if possible. This will make the …
Last updated: 26 Sep 2024
Event 4457 - Gannon geomagnetic storm response summary and lessons learnt.pdf
… TRANSPOWER NEW ZEALAND | System operator initial report: Northland loss of supply i Contents 1 Introduction … at 09:00 Saturday 11 May 2024 to remove South Island transmission circuits from service in accordance with its … in power systems with significant lengths of east-west transmission lines in the higher latitudes (greater than 45º …
Last updated: 28 Nov 2024
Interconnection Asset Capacity and Grid Configuration 2023 – 2024
… 2024 Interconnection Asset Capacity and Grid Configuration Report Data ..... 1 1.1 Background … and interested participant understanding of our Outage Planning processes and to improve transparency of Transpower … discussed the proposed outage plan with each designated transmission customer and interested participant on an …
Last updated: 17 Dec 2025
MO latest update.pdf
… 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 …
Last updated: 24 Oct 2023
Winter 2023 Review.pdf
… 2023 Review October 2023 About this document 2 Purpose This report reviews the performance of the electricity system and … is a significant asset failure in the generation fleet or transmission network) and sufficient fuel available to … in different ways. Peak demand The failure of generation or transmission assets impacts the ability to meet peak demand. …
Last updated: 13 May 2024
HVDC Stage 1 Enhancement Project Analysis - May 2024
… to the counterfactual (i.e., where no investment in the transmission network occurs).2 Further details on our … in Table 3 of our NZGP1.1 Proposal to the Commission we reported net benefits of $66m if Tiwai’s closure was delayed … NZGP1.1 MCP Attachment D – Scenario and Modelling Report – September 2023. …
Last updated: 06 Oct 2025
Future Grid scenario modelling Visions of the New Zealand economy to 2050
… modelling Visions of the New Zealand economy to 2050 Final report, 24 July 2025 FUTUR E GRI D SCENARIO MO DEL LI NG V I … greater certainty around the timing and scale of new transmission investment will improve the likelihood of … highlights the importance of coordinated whole-of-system planning around electricity demand and supply to support New …
Last updated: 18 Aug 2025
Additional Transient Rotor Angle Stability Study Additional studies 2025
… need for accurate, validated generator dynamic models. This report provides updates for future committed generation … generators’ inertia and fault current contribution, transmission interconnection, load characteristics, and … by standard WECC models. • Other wind and flexible AC transmission systems (FACTS) were either validated or …
Last updated: 27 Mar 2025
SPD_Model_Formulation_v15.0
… ALL RIGHTS RESERVED The information contained in the report is protected by copyright vested in Transpower New Zealand Limited (“Transpower”). The report is supplied in confidence to you solely for your … 11 3.5 HVDC Transmission System … 12 3.6 AC Transmission System …