β¨ Electricity Supply Statistics
WESTPOWER LIMITED - LINES BUSINESS
3 Average interruption targets for 2006/2007 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 17
b = total number of Class C interruptions 122
13.9%
24 Hours
a = number of interruptions not restored within 24 hours 0
b = total number of Class C interruptions 122
0.0%
| 2006 | 2005 | 2004 | 2003 |
|---|
5 (a) The total number of faults per 100 circuit kilometres of prescribed voltage electric line
| 66kV | 33kV | 11kV | Total | |
|---|---|---|---|---|
| - | 1 | 6 | 4.8 | |
| - | - | 17 | 12.9 | |
| - | 7 | 13 | 11 | |
| - | 10 | 3 | 6 |
(b) Target for 2006/2007 year
| 66kV | 33kV | 11kV | Total | |
|---|---|---|---|---|
| 1 | 3 | 7 | 5.3 |
(c) Average Target for 2005/2006 to 2009/2010 years
| 66kV | 33kV | 11kV | Total | |
|---|---|---|---|---|
| 1 | 3 | 7 | 5.3 |
6 The total number of faults per 100 circuit kilometres of underground prescribed voltage electric line
| 33kV | 11kV | Total | |
|---|---|---|---|
| 2006 | 50 | 13 | 5 |
| 2005 | 50 | 14 | 5 |
| 2004 | 50 | 39 | 9 |
| 2003 | - | 9 | 9 |
7 The total number faults per 100 circuit kilometres of overhead prescribed voltage electric line
| 66kV | 33kV | 11kV | Total | |
|---|---|---|---|---|
| 2006 | 0 | 1 | 6 | 5 |
| 2005 | 0 | - | 17 | 13 |
| 2004 | - | 7 | 12 | 10 |
| 2003 | 2 | - | 8 | 6 |
8 The SAIDI for the total number of interruption
| 2006 | 2005 | 2004 | 2003 |
|---|---|---|---|
| 151.12 | 372.06 | 205.49 | 122.02 |
9 SAIDI targets for 2006/2007
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 2006, No 145
Gazette.govt.nz —
NZ Gazette 2006, No 145
β¨ LLM interpretation of page content
π°
Westpower Limited System Length Statistics
(continued from previous page)
π° Finance & RevenueSystem length, Circuit kilometres, Underground system length, Transformer capacity, Maximum demand, Electricity supply, Retailers, Consumers, Interruptions, Reliability performance