Resources

… number 12668388 File name GHD HVDC Cable Replacement IER Report.docx Status Code Revision Author Reviewer Approved … reliability and capacity for the inter-island electricity transmission system. The upgrade is triggered by the age of … (GEIP) and regulatory expectations. Procurement and Planning The HVDC Link Upgrade Programme is currently in its …

… Advisory Group. The Rational Response of a Regulated Transmission Company to a Low WACC Report to Transpower 1 May 2014 Confidential Acronyms and … GRS to its network. The GRS rely on forecasts that reflect planning, judgement and attitudes towards risk. Changing …

… Copy to: [email protected]; Interruption Report: South Canterbury Loss of Supply – 30 September–1 … land and report the incident. Figure 1: South Canterbury transmission system schematic. The incident location is … Markers This incident may raise the question of markers on transmission lines, so it is useful to provide some …

… Major Capex Proposal Attachment 10: Power Systems Analysis Report August 2025 TRANSPOWER NEW ZEALAND | UPPER SOUTH … is supplied from the Waitaki Valley through 220 kV transmission lines. These lines can span over 200 kilometres … The network model is based upon the 2023 Transmission Planning Report DigSILENT case produced by Transpower. …

… Copy to: [email protected]; Interruption Report: Hawke’s Bay Loss of Supply – 21 December 2024 At … to 2.395 system minutes. Transpower must publicly report for each unplanned interruption over one system … damage to the generation assets. 4 | P a g e Figure 1: Transmission system schematic. Clause 26.2.1 – the cause of …

… and Generation Scenarios Attachment 3 – Cable Condition Report Attachment 4 – Short-list of Investment Options … as insurance, project management, and health and safety planning. This category also covers owner’s professional … Maximum Recoverable Cost (if there is an allowance for non-transmission solution opex or consequential opex). The costs …

… Proposal (Stage 1) Attachment 3: Cable Condition Assessment Report September 2025 TRANSPOWER NEW ZEALAND | HVDC LINK … local abnormal environmental conditions. LIRA is based on transmission line theory. Defects are identified by … assessments of our three HVDC submarine cables and are planning for their end-of-life replacement assisted by our …

… owns and operates New Zealand’s high voltage electricity transmission network (The National Grid). The National Grid … Bill provides no indication of the degree of granularity of reporting required. The proactive reporting proposed under … and very costly, exercise for Transpower; 4.4 The “planning emergency levels of service” requirements need to …

… Advisory Group. The Rational Response of a Regulated Transmission Company to a Low WACC Report to Transpower 1 May 2014 Confidential Acronyms and … GRS to its network. The GRS rely on forecasts that reflect planning, judgement and attitudes towards risk. Changing …

… investment need to be met, which may be either or both, a transmission investment or non-transmission solution; major … investment options. • Attachment 10: Power Systems Analysis Report 7.4.1(3) (3) With respect to each investment option … of the investment need with our latest Transmission Planning Report (2023). The Transmission Planning Report is …