✨ Reliability Performance Measures




23 AUGUST

NEW ZEALAND GAZETTE

2621

Reliability Performance Measures

1 Number of interruptions by class

Class Description 2000 1999 1998 1997
number of interruptions
A Transpower Planned 0 0 0 0
B Nelson Electricity Planned 22 41 35 16
C Nelson Electricity Unplanned 8 4 8 7
D Transpower Unplanned 0 1 2 0
E ECNZ Unplanned 0 0 0 0
F Other Generation 0 0 0 0
G Unplanned 0 0 0 0
Total 30 46 45 23

2 Interruption Targets for the following financial year

Class Description 2001
number of interruptions
(a) B Nelson Electricity Planned 25
(b) C Nelson Electricity Unplanned 8

3 Average interruption targets for the subsequent four years

Class Description 2002 2003 2004 2005
number of interruptions
(a) B Nelson Electricity Planned 25 25 25 25
(b) C Nelson Electricity Unplanned 8 8 8 8

4 Percentage of Class C interruptions not restored within-

2000
% of total class interruptions
(a) Three hours 12.5%
(b) 24 hours 0.0%

5 Faults (Class C) per 100 kilometres

(a) Total number of faults per 100 km

Voltage 2000 1999 1998 1997
33 kV 9.7 4.8 8.7 4.4
11kV 8.1 4.0 10.1 7.6
Total 8.4 4.7 9.7 7.2

(b) Total number of faults per 100 km following year

Voltage 2001
33 kV 4.0
11kV 4.0
Total 3.8

(c) Total number of faults per 100 km following years

Voltage 2002 2003 2004 2005
33 kV 4.0 4.0 4.0 4.0
11kV 4.0 4.0 4.0 4.0
Total 3.8 3.8 3.8 3.8

6 Faults (Class C) per 100 kilometres underground

Voltage 2000 1999 1998 1997
33 kV 10.3 4.6 10.0 0.0
11kV 6.1 0.0 7.4 5.9
Total 6.6 4.0 7.7 5.1

7 Faults (Class C) per 100 kilometres overhead

Voltage 2000 1999 1998 1997
33 kV 9.1 0.0 7.7 10.1
11kV 24.5 9.1 27.3 17.9
Total 15.6 4.8 16.7 14.2


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2000, No 105


Gazette.govt.nz PDF NZ Gazette 2000, No 105





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