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Last updated: 18 Jun 2025
OTA-WKM - Appendix B - Demand and Generation Scenarios
… https://www.transpower.co.nz/our-work/industry/grid-pricing/transmission-pricing-methodology/assumptions-book TRANSPOWER … in the generation expansion model based on publicly reported development schedules. Table 2: Modelled Waikato … and upper North Island committed generation Type Modelled Transmission Node6 Name Capacity (MW) GridScaleSolar WHU110 …
Last updated: 12 Jun 2025
Redclyffe 220 kV Switchyard Resilience Attachment 1 - Compliance with the Capex IM
… investment need to be met, which may be either or both, a transmission investment or non-transmission solution; … evidence that supports the rationales such as contracts, reports, memos, financial or other data, results of … investment is consistent with our latest Transmission Planning Report (2023), which is part of the suite of …
Last updated: 15 Apr 2025
USI - Attachment 4 - Options analysis
… period can be used where appropriate. Given that some transmission assets have lifespans exceeding 20 years, the … options and modelled projects, • cost of losses, including transmission and local losses, • reliability benefits, and • … Transpower’s investment options using either concept design reports or internal cost data, depending on the level of …
Last updated: 18 Dec 2024
USI - Attachment 4 - Preliminary Application of the Investment Test
… period can be used where appropriate. Given that some transmission assets have lifespans exceeding 20 years, the … options and modelled projects, • cost of losses, including transmission and local losses, • reliability benefits, and • … Transpower’s investment options using either concept design reports or internal cost data, depending on the level of …
Last updated: 20 Dec 2024
WBoP - Attachment 6 - Costing
… of the proposal and is a supporting attachment to our main report (‘Western Bay of Plenty Development Plan Major Capex … is for the near- term work required on the interconnected transmission grid only. 1 Approach to estimating capex We … project delivery procedures including governance oversight, planning, TRANSPOWER NEW ZEALAND | WESTERN BAY OF PLENTY …
Last updated: 12 Jun 2025
Redclyffe 220 kV Switchyard Resilience Attachment 4 - Costing
… and include expenses related to consenting and designation. Transmission lines construction works This includes material … replacements and costs are as advised by Transpower Asset Planning Management and can be considered as Class 4. 1 … • Technical reviews. • Performance monitoring and reporting. Transpower will allocate experienced management …
Last updated: 18 Jul 2025
USI Short-list - July 2025 - Summary of submissions
… option but raise concerns regarding the application of the Transmission Pricing Methodology (TPM) on this project. … need date. 5c Uncertainty of electrification caused by RETA reports. We recognise the uncommitted nature of the projects … are reasonable and appropriate for infrastructure planning. 5e Tiwai demand response contract. Following …
Last updated: 07 Mar 2025
USI Short-list - Summary of submissions
… under increased capital costs. Additional points raised 1. Transmission charges: Westpower expressed concerns about the … summer months, requiring careful consideration in upgrade planning. • Evolving load control strategies: The shift from … if and when required. 3.1 Other points raised 1. Westpower reported significant recent increases in transmission …
Last updated: 12 Jun 2025
Redclyffe 220 kV Switchyard Resilience Attachment 5 - Application of the Investment Test
… 8 Undiscounted capital costs in both Transpower’s transmission grid and (for Option 3) Unison’s distribution … demand Demand varies by scenario and net benefit is reported for each of the four scenarios. Size, timing, … of $10,000 per MWh, $20,000 per MWh and $50,000 per MWh are reported. Scenario weightings An equally weighted scenario …
Last updated: 15 May 2025
USI NTS RFP Stage 1
… Request for Proposal Upper South Island Non-transmission solutions RFP No: SUP-16702 RFP release date: … constraints arising for the region under our prudent planning forecast. Table 1 – Annual Forecast Capacity … b. Transpower reserves the right, at its discretion, to report suspected collusive or anti- competitive conduct by …