New Zealand Gazette – 2004 – No. 164

Page 4059

✨ Electricity Reliability Performance Measures



15 DECEMBER 2004
NEW ZEALAND GAZETTE, No. 164
4059

WAIPA NETWORKS LIMITED - LINES BUSINESS

2004 2003 2002 2001

Disclosure of reliability performance measures under regulation 22 of the Electricity (Information Disclosure) Regulations 1999 as amended by the Electricity (Information Disclosure) Amendment Regulations 2000.

1 Total number of interruptions

Class A - Planned - by Transpower 1 0 0 0
Class B - Planned - by Waipa Networks 50 122 149 140
Class C - Unplanned - by Waipa Networks 133 111 103 109
Class D - Unplanned - by Transpower 1 1 1 1
Class E - Unplanned - by Line Owner genera 0 0 0 0
Class F - Unplanned - by other generation 0 0 0 0
Class G - Unplanned - by another line owner 2 3 2 6
Class H - Planned - by another line owner 0 0 0 0
Class I - Any other loss of supply 0 0 0 0

Total 187 237 255 256

2 Interruption targets for 2004 / 2005
Class B - Planned - by Waipa Networks 75
Class C - Unplanned - by Waipa Networks 103

3 Average interruption targets for 2004 / 2005 to 2008 / 2009 years
Class B - Planned - by Waipa Networks 66
Class C - Unplanned - by Waipa Networks 98

4 Proportion of Class C interruptions not restored within: (=a/b*100)

3 Hours 29% 23% 30% 18%
a = number of interruptions restored within 3 39 25 31 20
b = Total number of Class C interruptions 133 111 103 109

24 Hours 1% 0% 0% 0%
a = number of interruptions restored within 24 1 0 0 0
b = Total number of Class C interruptions 133 111 103 109

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

11kV 10.18 8.37 7.78 8.30

(b) Target for 2004 / 2005 year

11kV 7.88

(c) Average Target for 2004 / 2005 to 2008 / 2009 years

11kV 7.50

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

11kV 0.00 0.00 0.00 3.23

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

11kV 10.61 8.60 7.99 8.42



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2004, No 164


Gazette.govt.nz — PDF NZ Gazette 2004, No 164




✨ LLM interpretation of page content

🏭 Reliability Performance Measures of Waipa Networks Limited (continued from previous page)

🏭 Trade, Customs & Industry
15 December 2004
Reliability performance, Interruption statistics, Fault rates, Electricity supply, Waipa Networks Limited, Class A interruptions, Class B interruptions, Class C interruptions, Transpower, Line owner, Targets