Resources

… D .17 Integrated Report 2020/21 Empowering our energy future We empower the … of the materiality assessment used to inform our planning, how we are creating value while taking into … owner and operator of New Zealand’s national electricity transmission system, Transpower holds a unique position in …

… D .17 Integrated Report 2020/21 Empowering our energy future We empower the … of the materiality assessment used to inform our planning, how we are creating value while taking into … owner and operator of New Zealand’s national electricity transmission system, Transpower holds a unique position in …

… Power BI Desktop Market Operations Weekly Report - Week Ended 7 December 2025 TRANSPOWER // MARKET … more closely through the market schedules. The latest NZGB report is available on the NZGB website. Electricity Market … 66 GWh was transferred north. AC asset outages have reduced transmission capability, causing the northward limit to …

… issued by Transpower 6 7 • Over $4.9 billion regulated transmission assets • Sole Transmission System Operator in New Zealand • Approximately … Statements December 2021 and Transpower’s Transmission Planning Report 2021 …

… 5 2.11 Transmission Services … • Deliver and operate a safe, reliable, cost- efficient transmission grid that meets New Zealand’s needs now and … when intervention is likely to be required. We measure and report the AHI for six asset classes. Two classes (power … 1 at the end of FY 24 as well as annual sustainability reporting. This will demonstrate our climate change …

… 5 2.11 Transmission Services … • Deliver and operate a safe, reliable, cost- efficient transmission grid that meets New Zealand’s needs now and … when intervention is likely to be required. We measure and report the AHI for six asset classes. Two classes (power … 1 at the end of FY 24 as well as annual sustainability reporting. This will demonstrate our climate change …

… are comparatively lower than those used in the draft report. • We have updated our assumptions concerning Mercury … Gas Turbines shuts down in 2023. • For the change in peak transmission pricing sensitivity we have aligned the assumed … increase in winter peak demand to a recently published report by Concept Consulting. • We have included a …

… 2024 December 2023 Version Date Change 1 14/12/2023 Initial Report 2 IMPORTANT Disclaimer The information in this … 18 7.3 Transmission … 19 7.4 Double Circuits Transmission Line … means that if real-time conditions are different from our planning studies some security issues may go undetected. …

… Federated Farmers noted that it makes little sense to report against measures that only describe whether something … which affects the response time for distributors for sub-transmission faults. This in turn affects the interruption … connections in particular, service targets driving grid planning would be useful. Voltage disturbances MEUG note …

… of Effects on the Environment: Realignment of the HAI-MTM-A Transmission Line, Maungatapu to Matapihi including … by Matthew Curran, Transpower Signature Limitations: The report has been prepared for Transpower, according to their … 117) is assessed as a permitted activity under the relevant planning documents and accordingly these properties are not …