Resources

… of the committed project test set out in Part B of this report. Contingency Plan A plan that identifies power system … Code. Contingent events include the loss of any single transmission circuit or generating unit, but do not include … AOPO Asset Owner Performance Obligations APR Annual Planning Report AUFLS Automatic Under-Frequency Load …

… and voltage stability issues. For these contingencies, the report notes both future grid projects that will resolve the … troughs In the previous SSF, assessments indicated several transmission circuits would need to be removed from service … of new reactors and STATCOMs, the need to switch off transmission circuits during light load has decreased. …

… additional capacity available. • Grid Owner to increase transmission offers where generation may be constrained. Low … to provide more generation. • Grid Owner to increase transmission offers where generation may be constrained. • … preparing our draft Security of Supply Assessment (SOSA) report for consultation which is anticipated to open later …

… but uncleared generation, ▪ request Transpower as the transmission grid owner to increase transmission offers or require them to reconfigure the grid … https://www.transpower.co.nz/system-operator/notices-and-reporting TRANSPOWER NZ | SYSTEM OPERATOR CONSULATION PAPER …

… 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 …

… 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 …

… 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 …

… 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 …

… MW Rankine at full capacity for ~85 days). • Methanex has reportedly been using 50-52TJ/day of gas for their … https://www.transpower.co.nz/system-operator/planning-future/security-supply-annual-assessment TRANSPOWER … during periods of increased planned generation and/or transmission outages in April and as we head into winter. …

… 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 …