✨ Electricity Fault and Reliability Statistics
Fault Targets per 100 Circuit Kilometre
Number of faults targeted (next year)
| 2008 | 2007 | 2006 | 2005 | |
|---|---|---|---|---|
| 33kV | 2.6 | 2.6 | 2.6 | 2.6 |
| 11kV | 9.5 | 9.5 | 9.5 | 9.5 |
| Total | 8.5 | 8.5 | 8.5 | 8.5 |
Average Faults Targets (next and subsequent 4 years)
| 2008/12 | 2007/11 | 2006/10 | 2005/09 | |
|---|---|---|---|---|
| 33kV | 2.6 | 2.6 | 2.6 | 2.6 |
| 11kV | 9.5 | 9.5 | 9.5 | 9.5 |
| Total | 8.5 | 8.5 | 8.5 | 8.5 |
Number of Faults per 100 Circuit Kilometre
| 2007 | 2006 | 2005 | 2004 | |
|---|---|---|---|---|
| Overhead | ||||
| 33kV | 1.30 | 0.66 | 0.66 | 7.19 |
| 11kV | 8.40 | 9.84 | 9.60 | 11.70 |
| Total Overhead | 7.20 | 8.44 | 8.24 | 11.01 |
| Underground | | | | |
| 33kV | 5.10 | 7.70 | - | 3.78 |
| 11kV | - | - | 2.65 | - |
| Total Underground | 4.60 | 7.01 | 2.38 | 3.40 |
| Total | 6.90 | 8.19 | 7.23 | 9.7 |
SAIDI
| 2007 | 2006 | 2005 | 2004 | |
|---|---|---|---|---|
| Class A – Planned by Transpower | - | - | - | - |
| Class B – Planned by Electra | 18.09 | 17.56 | 15.23 | 9.88 |
| Class C – Unplanned by Electra | 69.67 | 51.43 | 62.97 | 107.86 |
| Class D – Unplanned by Transpower | 97.50 | 25.00 | 5.66 | 15.63 |
| Class E – Unplanned by embedded generation | - | - | - | - |
| Class F – Unplanned by generation on other network | - | - | - | - |
| Class G – Unplanned by other line owner | - | - | - | - |
| Class H – Planned by other line owner | - | - | - | - |
| Class I – Any other loss of supply | - | - | - | - |
| Total | 185.26 | 93.99 | 83.86 | 133.47 |
SAIDI targets (next year)
| 2008 | 2007 | 2006 | 2005 | |
|---|---|---|---|---|
| Class B – Planned | 16 | 16 | 16 | 20 |
| Class C – Unplanned | 62 | 62 | 62 | 80 |
| Total | 78 | 78 | 78 | 100 |
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2008, No 30
Gazette.govt.nz —
NZ Gazette 2008, No 30
✨ LLM interpretation of page content
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Reliability Performance Measure Targets
(continued from previous page)
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