New Zealand Gazette – 2003 – No. 107

Page 2826

✨ Electricity Performance Statistics



Reliability Performance Measures

1 Number of interruption by class

Class Description 2003 2002 2001 2000
number of interruptions
A Transpower Planned - - - -
B Nelson Electricity Planned 22 9 9 22
C Nelson Electricity Unplanned 13 7 6 8
D Transpower Unplanned - - - -
E ECNZ Unplanned - - - -
F Other Generation - - - -
G Unplanned Other Line Owner - - - -
H Planned Other Line Owner - - - -
I Other - - - -
Total 35 16 15 30

2/3 Interruption targets for the average of the next five years

2004 to 2008

average number of interruptions each year over this period

Class Description Average number
(a) B Nelson Electricity Planned 25
(b) C Nelson Electricity Unplanned 8

4 Percentage of Class C interruptions not restored within-

2003 2002 2001 2000
% of total class interruptions
(a) Three hours 7.7% 14.0% 0.0% 12.5%
(b) 24 hours 0.0% 0.0% 0.0% 0.0%

5 Faults (Class C) per 100 kilometres

(a) Total number of faults per 100 km

Voltage 2003 2002 2001 2000
33 kV 11.5 - 4.8 9.7
11kV 14.0 3.9 2.6 8.1
Total 13.6 3.9 3.1 8.4

(b/c) Average total number of faults per 100 km for the next five years

2004 to 2008

average total number of faults per 100 kms each year over this period

Voltage Average total number
33 kV 3.8
11kV 3.8
Total 3.8

6 Faults (Class C) per 100 kilometres underground

Voltage 2003 2002 2001 2000
33 kV - - - 10.3
11kV 8.7 2.9 1.5 6.1
Total 7.6 2.9 1.3 6.6

7 Faults (Class C) per 100 kilometres overhead

Voltage 2003 2002 2001 2000
33 kV 26.8 - 9.1 9.1
11kV 54.3 10.9 11.1 24.5
Total 42.0 10.9 10.0 15.6


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2003, No 107


Gazette.govt.nz — PDF NZ Gazette 2003, No 107




✨ LLM interpretation of page content

🏗️ NELSON ELECTRICITY LIMITED Performance Measures (continued from previous page)

🏗️ Infrastructure & Public Works
Electricity, Performance Measures, Financial Performance, Efficiency Performance, Energy Delivery, Statistics, System Length, Circuit Length, Transformer Capacity, Maximum Demand, Electricity Supply, Retailers