β¨ Electricity Supply Statistics
29 AUGUST 2005
NEW ZEALAND GAZETTE, No. 144
3527
Alpine Energy Limited Lines Business
Reliability and Performance Measures - Interruptions and Faults - 31 March 2005
Interruptions
| Class | 2006/09 (Target) | 2006 (Target) | 2005 | 2004 | 2003 | 2002 |
|---|---|---|---|---|---|---|
| Number of Interruptions | ||||||
| Planned Interruptions - Transpower | Class A | 2 | 2 | 1 | 0 | 2 |
| Planned Interruptions - Alpine | Class B | 35 | 40 | 43 | 42 | 46 |
| Unplanned Interruptions - Alpine | Class C | 95 | 100 | 81 | 90 | 65 |
| Unplanned Interruptions - Transpower | Class D | 2 | 3 | 1 | 0 | 0 |
| Class E - I | 0 | 0 | 0 | 0 | 0 | |
| Total | 134 | 145 | 126 | 132 | 113 |
Proportion of Total Class C Interruptions not restored:
| 2006/09 (Target) | 2006 (Target) | 2005 | 2004 | 2003 | 2002 | |
|---|---|---|---|---|---|---|
| Within 3 Hours | 21% | 27% | 37% | 7% | ||
| Within 24 Hours | 2% | 9% | 12% | 0% |
Faults
| Voltage | 2006/09 (Target) | 2006 (Target) | 2005 | 2004 | 2003 | 2002 |
|---|---|---|---|---|---|---|
| Overall System | ||||||
| Faults per 100 circuit kilometres of prescribed voltage electric line | 3.1 | 3.3 | 3.0 | 3.2 | 2.08 | 3.1 |
| 33kV | 1.1 | 1.1 | 1.0 | 1.1 | 0.53 | 1.1 |
| 22kV | 0.7 | 0.7 | 0.7 | 0.7 | 0.00 | 0.0 |
| 11kV | 3.3 | 3.5 | 3.2 | 3.4 | 2.30 | 3.4 |
| 6.6kV | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.0 |
| Overhead | ||||||
| Faults per 100 circuit kilometres of prescribed voltage electric line | 3.2 | 3.3 | ||||
| 33kV | 1.1 | 1.1 | 0.55 | 1.1 | ||
| 22kV | 0.7 | 0.7 | 0.00 | 0.0 | ||
| 11kV | 3.4 | 3.6 | 2.36 | 3.7 | ||
| 6.6kV | 0.0 | 0.0 | 0.00 | 0.0 | ||
| Underground | ||||||
| Faults per 100 circuit kilometres of prescribed voltage electric line | 0.8 | 1.3 | 1.38 | 0.5 | ||
| 33kV | 0.0 | 0.0 | 0.00 | 0.0 | ||
| 22kV | 0.0 | 0.0 | 0.00 | 0.0 | ||
| 11kV | 0.9 | 1.4 | 1.48 | 0.5 | ||
| 6.6kV | 0.0 | 0.0 | 0.00 | 0.0 |
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2005, No 144
Gazette.govt.nz —
NZ Gazette 2005, No 144
β¨ LLM interpretation of page content
π
Alpine Energy Limited Lines Business Reliability and Performance Measures
(continued from previous page)
π Trade, Customs & IndustryReliability, Performance Measures, Interruptions, Faults, Electricity Supply, Alpine Energy, Transpower