occur within the first three minutes of a Sustained Interruption are excluded from the calculation. MAIFIe or Momentary Average Interruption Frequency Index event in respect of a relevant period, means the total number of Momentary Interruption Events that have occurred during the relevant As above. period divided by the Customer Base for the relevant period, provided that Momentary Interruptions that occur within the first three minutes of a Sustained Interruption are excluded from the calculation. When calculating The AER SAIDI, SAIFI, broadly MAIFI and MAIFIe: supports Exclusions – adopting One or more criteria for the of the distribution circumstances reliability numbered 1 to measures 7 in Part 3 of guidelines. this Appendix 1. The AER B may be supports the excluded from exclusions for such the STPIS. calculations. 2. The AER Interruptions – supports this The definition for Interruptions STPIS. used to calculate such 3. The AER measurements proposes to may be limited undertake a to Planned more detailed Interruptions review order to or Unplanned implement this Interruptions. definition under the Major Event STPIS. Days – Interruptions 4. The AER that occur on a supports Major Event
occur within the first three minutes of a Sustained Interruption are excluded from the calculation. MAIFIe or Momentary Average Interruption Frequency Index event in respect of a relevant period, means the total number of Momentary Interruption Events that have occurred during the relevant period divided by the Customer Base for the relevant period, provided that Momentary Interruptions that occur within the first three minutes of a Sustained Interruption are excluded from the calculation. As above. When calculating SAIDI, SAIFI, MAIFI and MAIFIe: Exclusions – One or more of the circumstances numbered 1 to 7 in Part 3 of this Appendix B may be excluded from such calculations. Interruptions – The Interruptions used to calculate such measurements may be limited to Planned Interruptions or Unplanned Interruptions. Major Event Days – Interruptions that occur on a Major Event The AER broadly supports adopting criteria for the distribution reliability measures guidelines. 1. The AER supports the exclusions for the STPIS. 2. The AER supports this definition for STPIS. 3. The AER proposes to undertake a more detailed review order to implement this definition under the STPIS. 4. The AER supports