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… 4.1 to 4.5 below, these form the base assumptions for this report: ▪ Studholme is supplied from Waitaki in Winter, with … before the voltage and thermal issues identified in this report, particularly for planned outages of 220 kV circuits … ceases operation in 2025, this will be the only remaining transmission constraint binding in this scenario for both …

… of a new or modified connection: ▪ before the completion of planning for the construction (Planning ACS) ▪ at, or … New Zealand’s electricity system, along with a summary of transmission charges. ▪ GL-EA-953 Connection Study Guide for … commissioning documentation and test results. Commissioning reports should confirm prior performance assessments and the …

… unit commitment or wind generation if a large generation or transmission asset fails. Market update Energy: National … commitment or wind generation should a major generation or transmission asset not be available/trip during May. Firm … finalising our draft Security of Supply Assessment (SOSA) report in preparation for consultation. Next SO Forum will …

… that this non-compliance may have on the System Operator planning to comply, and comply, with their Principal … onto New Zealand’s electricity system, plus a summary of transmission charges. Connection Study Guide for Connecting … Estimate acceptance Engineering assessment Assessment Report review Report approval Draft decision Consultation …

… 69 Appendix A. Sample Test Report Structure … Generation Commissioning Process Feasibility Initiation Planning Delivery Commissioning Closeout … without incident with both the generator and the islanded transmission network energised ▪ manage frequency and … and any local auxiliaries ▪ assess the ability to liven transmission circuits following a partial or total shutdown …

… Department or authorised agency ceases to compile and report figures for the Consumers Price Index (all groups), … operator engaged in the co-ordination of an integrated transmission network under the same or similar circumstances … error in such date and no automated message indicating a transmission error). 14.2 Not a Business Day: If any such …

… issue. © 2025 Transpower New Zealand Limited Operations Planning Engineer In the context of this document, an … Factor Operations Planning are notified by … Change to transmission network or operating policy ▪ Commissioning or … ▪ Operations Planning Engineer from event log and system reports Document Status: Issued Doc File Name:PR-OC-204 …

… or cascading failure. Besides our study findings, this report recommends further assessment, discussions with asset … type of faults can occur between the three conductors of a transmission line or buses at a substation. This is a low … power system. https://www.transpower.co.nz/system-operator/planning-future/system-security-forecast TRANSPOWER NEW …

… good. If communications to an individual meter fails, the reported quality is bad. This impacts whether the market … is almost equal to the island load, plus losses across the transmission network. Given a reasonable loss estimate9, and … GXP supply capacity; 11 The combination of generation and transmission resources needed to delivery the Required Load. …

… 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 … 10 3.5 HVDC Transmission System … 12 3.6 AC Transmission System …