β¨ Electricity Interruption Statistics
WESTPOWER LIMITED - LINES BUSINESS
3 Average interruption targets for 2005/2006 to 2009/2010 years
Class B - Planned - by Line Owners 60
Class C - Unplanned - by Line Owners 60
4 Proportion of Class C interruptions not restored within: (=(a/b)*100)
3 Hours
a = number of interruptions not restored within 3 hours 29.4%
40
b = total number of Class C interruptions 136
24 Hours
a = number of interruptions not restored within 24 hours 0.7%
1
b = total number of Class C interruptions 136
5 (a) The total number of faults per 100 circuit kilometres of prescribed voltage electric line
| 2005 | 2004 | 2003 | 2002 | |
|---|---|---|---|---|
| 66kV | - | 7 | 2 | 0 |
| 33kV | - | 10 | 3 | 5 |
| 11kV | 17 | 13 | 8 | 3 |
| Total | 12.9 | 11 | 6 | 3 |
(b) Target for 2005/2006 year
| 66kV | 1 |
| 33kV | 3 |
| 11kV | 7 |
| Total | 5.3 |
(c) Average Target for 2005/2006 to 2009/2010 years
| 66kV | 1 |
| 33kV | 3 |
| 11kV | 7 |
| Total | 5.3 |
6 The total number of faults per 100 circuit kilometres of underground prescribed voltage electric line
| 2005 | 2004 | 2003 | 2002 | |
|---|---|---|---|---|
| 33kV | 50 | 50 | 0 | 0 |
| 11kV | 14 | 39 | 9 | 6 |
| Total | 5 | 39 | 9 | 6 |
7 The total number faults per 100 circuit kilometres of overhead prescribed voltage electric line
| 2005 | 2004 | 2003 | 2002 | |
|---|---|---|---|---|
| 66kV | 0 | 0 | 2 | 2 |
| 33kV | 7 | 9 | 2 | 5 |
| 11kV | 17 | 12 | 8 | 3 |
| Total | 13 | 10 | 6 | 3 |
8 The SAIDI for the total number of interruption
| 2005 | 2004 | 2003 | 2002 |
|---|---|---|---|
| 372.06 | 205.49 | 122.02 | 140.27 |
9 SAIDI targets for 2005/2006
Class B - Planned - by Line Owners 40
Class C - Unplanned - by Line Owners 70
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2005, No 118
Gazette.govt.nz —
NZ Gazette 2005, No 118
β¨ LLM interpretation of page content
π
Westpower Limited Performance Measures
(continued from previous page)
π Trade, Customs & IndustryPerformance Measures, Interruption Targets, Faults, SAIDI, Electricity Supply, Reliability