β¨ Electricity Reliability Statistics
4294
NEW ZEALAND GAZETTE, No. 148
24 NOVEMBER 2006
ELECTRICITY INVERCARGILL LIMITED LINE BUSINESS
RELIABILITY PERFORMANCE MEASURES
PURSUANT TO REQUIREMENT 21 OF THE ELECTRICITY INFORMATION DISCLOSURE REQUIREMENTS 2004, SCHEDULE 1 PART 5
Reliability Statistics For Years Ending 31 March 2003, 2004, 2005 and 2006
| Class | A | B | C | D | E | F | G | H | I | TOTAL |
|---|---|---|---|---|---|---|---|---|---|---|
| Interruptions | ||||||||||
| 2002/03 | - | 6 | 15 | - | - | - | - | - | - | 21 |
| 2003/04 | - | 9 | 19 | - | - | - | - | - | - | 28 |
| 2004/05 | - | 5 | 15 | - | - | - | - | - | - | 20 |
| 2005/06 | - | 3 | 20 | - | - | - | 1 | - | - | 24 |
| Predicted 2006/2007 | - | 8 | 20 | - | - | - | - | - | - | - |
| 5-Year Average Target | - | 8 | 20 | - | - | - | - | - | - | - |
| SAIDI | | | | | | | | | | |
| 2002/03 | - | 2.0| 19.4| - | - | - | - | - | - | 21.4 |
| 2003/04 | - | 4.5| 45.1| - | - | - | - | - | - | 49.6 |
| 2004/05 | - | 2.1| 13.3| - | - | - | - | - | - | 15.4 |
| 2005/06 | - | 0.2| 18.9| - | - | - | 0.7| - | - | 19.8 |
| Predicted 2006/2007 | - | 4.0| 31.0| - | - | - | - | - | - | - |
| 5-Year Average Target | - | 4.0| 31.0| - | - | - | - | - | - | - |
| SAIFI | | | | | | | | | | |
| 2002/03 | - | 0.01| 0.69| - | - | - | - | - | - | 0.70 |
| 2003/04 | - | 0.03| 1.25| - | - | - | - | - | - | 1.28 |
| 2004/05 | - | 0.03| 0.25| - | - | - | - | - | - | 0.28 |
| 2005/06 | - | 0.00| 0.54| - | - | - | 0.01| - | - | 0.55 |
| Predicted 2006/2007 | - | 0.04| 0.96| - | - | - | - | - | - | - |
| 5-Year Average Target | - | 0.03| 0.92| - | - | - | - | - | - | - |
| CAIDI | | | | | | | | | | |
| 2002/03 | - | 180.9| 28.2| - | - | - | - | - | - | 30.6 |
| 2003/04 | - | 161.1| 36.1| - | - | - | - | - | - | 38.9 |
| 2004/05 | - | 81.4| 53.8| - | - | - | - | - | - | 56.4 |
| 2005/06 | - | 106.5| 35.1| - | - | - | 65.5| - | - | 35.9 |
| Predicted 2006/2007 | - | 106.7| 32.3| - | - | - | - | - | - | - |
| 5-Year Average Target | - | 140.4| 33.6| - | - | - | - | - | - | - |
Faults by Voltage
| 66kV | 33kV | 11kV | Total | |
|---|---|---|---|---|
| OH per 100km | ||||
| 2002/03 | - | - | 33.40 | 32.29 |
| 2003/04 | - | - | 42.40 | 41.51 |
| 2004/05 | - | - | 22.90 | 22.02 |
| 2005/06 | - | - | 34.33 | 33.02 |
| UG per 100km | | | | |
| 2002/03 | - | - | 0.70 | 0.61 |
| 2003/04 | - | - | 0.70 | 0.69 |
| 2004/05 | - | - | 4.27 | 3.71 |
| 2005/06 | - | - | 3.70 | 3.21 |
| Total per 100km| | | | |
| 2002/03 | - | - | 7.73 | 6.84 |
| 2003/04 | - | - | 9.37 | 8.78 |
| 2004/05 | - | - | 7.55 | 6.67 |
| 2005/06 | - | - | 9.14 | 8.07 |
| Predicted 2006/2007 | - | - | 8.63 | 7.62 |
| 5-Year Average Target | - | - | 8.63 | 7.62 |
Class C Interruptions Not Restored in
- 3 hours: 10%
- 24 hours: Nil
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2006, No 148
Gazette.govt.nz —
NZ Gazette 2006, No 148
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π Electricity Inverscargill Limited Line Business Reliability Performance Measures
π Trade, Customs & IndustryElectricity, Reliability, Statistics, Performance Measures, Inverscargill