✨ Electricity Reliability Statistics




FIRST SCHEDULE - PART IV continued
Reliability Performance Measures continued

1998 1997 1996 1995

SAIDI (System Average Interruption Duration Index)

  1. The SAIDI for the total interruptions

    | | | 153.32 | 123.77 | 120.77 | 125.83 |

  2. The SAIDI for the total interruptions within each interruption class

    Class A Planned Trans Power interruption

    | | | - | - | - | - |

    Class B Planned interruption by a Line Operator (other than Trans Power)

    | | | 35.41 | 12.34 | 21.07 | 39.73 |

    Class C Unplanned interruption originating within the principal Line Owners works

    | | | 117.91 | 95.34 | 94.71 | 82.48 |

    Class D Unplanned Trans Power interruption

    | | | - | 16.10 | 5.00 | 3.63 |

    Class E Unplanned ECNZ interruption

    | | | - | - | - | - |

    Class F Unplanned interruption originating from a generator other than ECNZ

    | | | - | - | - | - |

    Class G Other

    | | | - | - | - | - |

SAIFI (System Average Interruption Frequency Index)

  1. The SAIFI for the total interruptions

    | | | 1.72 | 2.19 | 1.95 | 1.78 |

  2. The SAIFI for the total interruptions within each interruption class

    Class A Planned Trans Power interruption

    | | | - | - | - | - |

    Class B Planned interruption by a Line Operator (other than Trans Power)

    | | | 0.15 | 0.22 | 0.16 | 0.33 |

    Class C Unplanned interruption originating within the principal Line Owners works

    | | | 1.57 | 1.62 | 1.75 | 1.31 |

    Class D Unplanned Trans Power interruption

    | | | - | 0.36 | 0.05 | 0.14 |

    Class E Unplanned ECNZ interruption

    | | | - | - | - | - |

    Class F Unplanned interruption originating from a generator other than ECNZ

    | | | - | - | - | - |

    Class G Other

    | | | - | - | - | - |

NEW ZEALAND GAZETTE
No. 160



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πŸ—οΈ Reliability Performance Measures for Electricity Interruptions (continued from previous page)

πŸ—οΈ Infrastructure & Public Works
Electricity, Faults, Reliability, Performance Measures, Statistics