New Zealand Gazette – 1999 – No. 110

Page 2642

✨ Electricity Reliability Performance Measures



NEW ZEALAND GAZETTE

No. 110

  1. The CAIDI for total of interruptions
* 1996 * 1997 * 1998 * 1999 2000 2001/04
69 33 56 43 60 60
  1. The CAIDI for total of interruptions within each interruption class -
Class * 1996 * 1997 * 1998 * 1999 2000 2001/04
Class A (Planned – TP) 334 258 229 210 150 150
Class B (Planned – AEL) 383 350 95 166 115 115
Class C (Unplanned – AEL) 81 32 53 48 54 54
Class D (Unplanned – TP) 41 6 43 15 46 46
Class E 0 0 0 0 0 0
Class F 0 0 0 0 0 0
Class G 0 0 0 0 0 0
Class H 0 0 0 0 0 0
Class I 0 0 0 0 0 0
  1. Class C Interruptions not restored within:
* 1996 * 1997 * 1998 * 1999 2000 2001/04
(a) 3 hours Na Na Na 16% - -
(b) 24 hours Na Na Na 0% - -
Expressed as a % of
the Total Interruptions
  1. Total faults per 100km of total lines (3.3kV and above)
* 1996 * 1997 * 1998 * 1999 2000 2001/04
2.23 1.40 1.65 3.59 2.22 2.22
  1. Total faults per 100km of underground lines (3.3kV and above)
* 1996 * 1997 * 1998 * 1999 2000 2001/04
33kV 0 0 0 0 0 0
11kV 0.82 1.08 3.03 2.98 1.98 1.98
6.6kV 0 0 0 0 0 0
Total 0.80 1.04 2.94 2.75 1.88 1.88
  1. Total faults per 100km of overhead lines (3.3kV above above)
* 1996 * 1997 * 1998 * 1999 2000 2001/04
33kV 2.30 1.31 1.99 3.83 2.36 2.36
22kV 0 0 1.99 1.37 1.89 1.89
11kV 2.82 1.53 1.55 3.76 2.41 2.41
Total 2.41 1.43 1.58 3.64 2.26 2.26


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Electricity, Reliability, Interruptions, CAIDI, Faults, Performance Measures