Electricity Reliability Performance Measures




11 JANUARY 2008 NEW ZEALAND GAZETTE, No. 3 73

2007 2006 2005 2004

11 The SAIDI for the total number of interruptions
within each interruption class (minutes)

Class A – planned by Transpower - - - -
Class B – planned by line owners 13.2 11.7 7.3 16.3
Class C – unplanned by line owners 83.5 70.8 73.2 80.0
Class D – unplanned by Transpower 4.7 14.0 - 1.0
Class E – unplanned by embedded generation - - - -
Class F – unplanned by generation on other net-works - - - -
Class G – unplanned by other line owner - - - -
Class H – planned by another line owner - - - -
Class I – any other loss of supply - - - -

12 The SAIFI for the total number of interruptions 1.82 1.72 1.46 1.72

13 SAIFI target for next financial year

Class B – planned by line owners 0.13
Class C – unplanned by line owners 1.36

14 Average SAIFI targets for next 5 years

Class B – planned by line owners 0.13
Class C – unplanned by line owners 1.36

15 The SAIFI for the total number of interruptions
within each interruption class

Class A – planned by Transpower - - - -
Class B – planned by line owners 0.10 0.09 0.07 0.14
Class C – unplanned by line owners 1.59 1.40 1.39 1.47
Class D – unplanned by Transpower 0.13 0.23 - 0.11
Class E – unplanned by embedded generation - - - -
Class F – unplanned by generation on other networks - - - -
Class G – unplanned by other line owner - - - -
Class H – planned by another line owner - - - -
Class I – any other loss of supply - - - -

16 The CAIDI for the total number of interruptions 55.60 56.10 55.20 56.60

17 CAIDI target for next financial year

Class B – planned by line owners 120.0
Class C – unplanned by line owners 55.0

18 Average CAIDI targets for next 5 years

Class B – planned by line owners 120.0
Class C – unplanned by line owners 55.0

19 The CAIDI for the total number of interruptions
within each interruption class

Class A – planned by Transpower - - - -
Class B – planned by line owners 127.0 135.7 100.2 119.9
Class C – unplanned by line owners 52.6 50.5 52.8 54.5
Class D – unplanned by Transpower 35.6 60.0 - 8.8
Class E – unplanned by embedded generation - - - -
Class F – unplanned by generation on other networks - - - -
Class G – unplanned by other line owner - - - -
Class H – planned by another line owner - - - -
Class I – any other loss of supply - - - -



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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2008, No 3


Gazette.govt.nz PDF NZ Gazette 2008, No 3





✨ LLM interpretation of page content

🏭 Disclosure of reliability performance measures under requirement 21 of the Electricity Information Disclosure Requirements 2004 (continued from previous page)

🏭 Trade, Customs & Industry
Reliability Performance, Electricity, Faults, SAIDI, SAIFI, CAIDI, Targets