β¨ Electricity Reliability Performance Measures
ELECTRICITY INVERCARGILL LIMITED LINE BUSINESS
RELIABILITY PERFORMANCE MEASURES
PURSUANT TO REGULATION 22 OF THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1999 AS AMENDED BY THE ELECTRICITY (INFORMATION DISCLOSURE) AMENDMENT REGULATIONS 2000
Reliability Statistics For Years Ending 31 March 2000, 2001, 2002 and 2003
| Class | A | B | C | D | E | F | G | H | TOTAL | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1999/00 | - | 18 | 22 | - | - | - | - | - | 40 | |
| 2000/01 | - | 11 | 29 | - | - | - | - | - | 40 | |
| Interruptions | 2001/02 | - | 11 | 22 | 2 | - | - | - | - | 35 |
| 2002/03 | - | 6 | 15 | - | - | - | - | - | 21 | |
| Predicted 2003/2004 | - | 8 | 16 | - | - | - | - | - | 24 | |
| 5-Year Average Target | - | 7 | 15 | - | - | - | - | - | 22 |
| SAIDI | | | | | | | | | | |
| | 1999/00 | - | 4.7 | 29.0 | - | - | - | - | - | 33.7 |
| | 2000/01 | - | 4.0 | 31.0 | - | - | - | - | - | 35.0 |
| | 2001/02 | - | 4.0 | 32.0 | 59.8 | - | - | - | - | 95.8 |
| | 2002/03 | - | 2.0 | 19.4 | - | - | - | - | - | 21.4 |
| | Predicted 2003/2004 | - | 3.5 | 27.5 | - | - | - | - | - | 31.0 |
| | 5-Year Average Target | - | 3.0 | 26.0 | - | - | - | - | - | 29.0 |
| SAIFI | | | | | | | | | | |
| | 1999/00 | - | 0.11 | 0.53 | - | - | - | - | - | 0.64 |
| | 2000/01 | - | 0.05 | 1.07 | - | - | - | - | - | 1.12 |
| | 2001/02 | - | 0.04 | 1.12 | 1.71 | - | - | - | - | 2.87 |
| | 2002/03 | - | 0.01 | 0.69 | - | - | - | - | - | 0.70 |
| | Predicted 2003/2004 | - | 0.03 | 0.97 | - | - | - | - | - | 1.00 |
| | 5-Year Average Target | - | 0.03 | 0.96 | - | - | - | - | - | 0.99 |
| CAIDI | | | | | | | | | | |
| | 1999/00 | - | 42.5 | 54.8 | - | - | - | - | - | 52.7 |
| | 2000/01 | - | 80.4 | 28.9 | - | - | - | - | - | 31.2 |
| | 2001/02 | - | 98.8 | 28.5 | 35.0 | - | - | - | - | 33.3 |
| | 2002/03 | - | 180.9 | 28.2 | - | - | - | - | - | 30.6 |
| | Predicted 2003/2004 | - | 116.6 | 28.4 | - | - | - | - | - | 31.0 |
| | 5-Year Average Target | - | 100.0 | 27.0 | - | - | - | - | - | 29.3 |
| Faults by Voltage | 66kV | 33kV | 11kV | Total |
|---|---|---|---|---|
| OH per 100km | ||||
| 1999/00 | - | - | 17.9 | |
| 2000/01 | - | - | 38.8 | |
| 2001/02 | - | - | 37.6 | |
| 2002/03 | - | 1 | 33.4 |
| UG per 100km | | | | |
| | 1999/00 | - | - | 4.8 | 4.2 |
| | 2000/01 | - | - | 5.4 | 4.7 |
| | 2001/02 | - | - | 4.4 | 3.8 |
| | 2002/03 | - | - | 0.7 | 0.6 |
| Total per 100km | | | | |
| | 1999/00 | - | - | 4.8 | 4.2 |
| | 2000/01 | - | 1.0 | 5.4 | 4.7 |
| | 2001/02 | - | - | 12.2 | 10.8 |
| | 2002/03 | - | - | 7.7 | 6.8 |
| | Predicted 2003/2004 | - | - | 8.8 | 7.8 |
| | 5-Year Average Target | - | - | 8.3 | 7.3 |
| Class C Interruptions Not Restored in | 3 hours | Nil |
| Class C Interruptions Not Restored in | 24 hours | Nil |
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2003, No 92
Gazette.govt.nz —
NZ Gazette 2003, No 92
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Electricity, Performance Measures, Energy Efficiency, Transmission Losses, Load Factor, Loss Ratio, Capacity Utilisation, Statistics, System Length, Overhead Lines, Underground Cables, Electricity Conveyed, Reliability, SAIDI, SAIFI, CAIDI, Faults, Interruptions