Electricity Reliability Performance Measures




30 AUGUST NEW ZEALAND GAZETTE 2877

2000 1999 1998 1997

5 (a) The total number of faults per 100 circuit kilometres of prescribed voltage
electric line

66kV 2 4 6 13
33kV 4 4 6 5
11kV 5 4 5 5
Total 4 4 6 11

(b) Target for 2000 / 2001 year

66kV 2
33kV 4
11kV
Total 4

(c) Average Target for 2000 / 2001 to 2004 / 2005 years

66kV 2
33kV 4
11kV 4
Total 4

6 The total number of faults per 100 circuit kilometres of underground prescribed
voltage electric line

2000 1999 1998 1997
33kV 0 0 0 0
11kV 28 4 0 4
Total 28 4 0 4

7 The total number faults per 100 circuit kilometres of overhead prescribed
voltage electric line

2000 1999 1998 1997
66kV 0 0 6 13
33kV 4 4 6 5
11kV 5 4 5 5
Total 4 4 6 10

8 The SAIDI for the total number of interruption

2000 1999 1998 1997
156.47 244.4 384.23 435.9

9 SAIDI targets for 2000 / 2001

| Class B - Planned - by Line Owners | 80 |
| Class C - Unplanned - by Line Owners | 100 |

10 Average SAIDI target for 2000 / 2001 to 2004 / 2005 years

| Class B - Planned - by Line Owners | 70 |
| Class C - Unplanned - by Line Owners | 90 |

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

Class 2000 1999 1998 1997
Class A - Planned - by Transpower 0.64 0 13.13 0.1
Class B - Planned - by Line Owners 66.27 138 211.48 158.9
Class C - Unplanned - by Line Owners 86.94 103 133.29 240.2
Class D - Unplanned - by Transpower 0 3.4 25.19 36.7
Class E - Unplanned - by ECNZ 0 0 0
Class F - Unplanned - by other generation 2.62 0 1.07 0
Class G - Any other loss of supply 0 0.07 0
Total 156.47 244.4 384.23 435.9


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2000, No 114


Gazette.govt.nz PDF NZ Gazette 2000, No 114





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