New Zealand Gazette – 2005 – No. 101

Page 2420

✨ Electricity reliability performance measures



NEW ZEALAND GAZETTE, No. 101

1 JULY 2005

WAIPA NETWORKS LIMITED - LINES BUSINESS

Disclosure of reliability performance measures.

1 Total number of interruptions

Class Description 2005 2004 2003 2002
Class A - Planned - by Transpower 0 1 0 0
Class B - Planned - by Waipa Networks 38 50 122 149
Class C - Unplanned - by Waipa Networks 131 133 111 103
Class D - Unplanned - by Transpower 4 1 1 1
Class E - Unplanned - by Line Owner generation 0 0 0 0
Class F - Unplanned - by other generation 0 0 0 0
Class G - Unplanned - by another line owner 1 2 3 2
Class H - Planned - by another line owner 0 0 0 0
Class I - Any other loss of supply 0 0 0 0

Total | 174 | 187 | 237 | 255 |

2 Interruption targets for 2005 / 2006

Class B - Planned - by Waipa Networks: 75

Class C - Unplanned - by Waipa Networks: 103

3 Average interruption targets for 2005 / 2006 to 2009 / 2010 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/b100)**

Time Frame 2005 2004 2003 2002
3 Hours 26% 29% 23% 30%
a = number of interruptions restored within 3 34 39 25 31
b = Total number of Class C interruptions 131 133 111 103
24 Hours 0% 1% 0% 0%
a = number of interruptions restored within 24 0 1 0 0
b = Total number of Class C interruptions 131 133 111 103

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

11kV: 9.81 (2005), 10.18 (2004), 8.37 (2003), 7.78 (2002)

(b) Target for 2005 / 2006 year

11kV: 7.71

(c) Average Target for 2005 / 2006 to 2009 / 2010 years

11kV: 7.34

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

11kV: 5.45 (2005), 0.00 (2004, 2003, 2002)

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

11kV: 9.99 (2005), 10.81 (2004), 8.60 (2003), 7.99 (2002)



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2005, No 101


Gazette.govt.nz — PDF NZ Gazette 2005, No 101




✨ LLM interpretation of page content

🏭 Performance measures for Waipa Networks Limited (continued from previous page)

🏭 Trade, Customs & Industry
Financial performance, Efficiency performance, Energy delivery, Waipa Networks Limited, Statistics, System Length, Transformer Capacity, Maximum Demand, Electricity conveyance, Retailers