Resources

… from a helicopter used to clean insulators on the HVDC transmission line Recent Successes • Successfully completed … stem-operator/notices-and-reporting/market-operations-weekly-report/energy-security-outlook …

… 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 …

… 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 …

… All complete New SI capacity margin published with daily reporting Next steps ERC and SST update anticipated by the … these charts will be published alongside our daily reporting on the website. SI margins: N-1-HVDC (N-1-G) • … by end of the week • Review your outages (Generation or transmission) that negatively impact hydro, cancel or defer …

… with the demand and supply assumptions presented in the report? Submitter Submission System Operator Response Energy … the ten-year assessment period. The independent Energy Link report referenced above explored this kind of sensitivity … (the HVDC reactor support project and CNI project) to transmission customers. This market-based analysis includes …

… if generation is restricted (through unit outages or transmission constraints) or if generation is not offered … from SO: • Avoid scheduling outages (generation/transmission that constrain off generation) on days with low … by increased ERCs • Part of the SO Security of Supply reporting • Shows how actual hydro storage and projected …

… Review, paragraph 106(b), page 30. 4 Electricity Authority Report Northland tower collapse, page 7. 5 RNZ - Blame laid … System Operator’s (CAISO) program requires a 17% Planning Reserve Margin (increased from 16% in 2024), which … https://www.caiso.com/generation-transmission/resource-adequacy …

… 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 …

… in August 2023. Please refer to the Grid Zone 10 SSF report for more information. SYSTEM SECURITY FORECAST: GRID … 5.1 LIGHT LOAD MITIGATION High voltages can occur when the transmission network is lightly loaded. Particularly in areas that contain high voltage cables and long transmission circuits. This issue can be managed …

… is low and renewable generation is high nationwide or when transmission constraints bind in regions with high renewable … finalises-response-to-mdag-report/. Enabling negative price offers could be considered … discretionary interventions, supports reliable operational planning, and benefits inflexible generators. It also …