✨ Electricity Reliability Statistics




OTAGO POWER 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 1999, 2000, 2001 and 2002

Class A B C D E F G TOTAL
Interruptions
1998/99 1 184 291 4 0 0 0 480
1999/00 1 87 236 2 0 0 0 326
2000/01 2 107 216 3 0 0 0 328
2001/02 0 119 178 2 0 0 0 299
Predicted 2002/2003 112 208 320
5-Year Average Target 107 200 307

| SAIDI | | | | | | | | |
| 1998/99 | 64.8 | 119.8 | 220.8 | 88.1| 0 | 0 | 0 | 493.5 |
| 1999/00 | 19.2 | 143.6 | 177.2 | 19.6| 0 | 0 | 0 | 359.6 |
| 2000/01 | 125.9 | 64.0 | 133.4 | 8.9 | 0 | 0 | 0 | 332.2 |
| 2001/02 | 0 | 65.5 | 106.4 | 50.7| 0 | 0 | 0 | 222.6 |
| Predicted 2002/2003 | | 55.9 | 111.0 | | | | | 166.9 |
| 5-Year Average Target | 50.6 | 101.4 | | | | | | 152.0 |

| SAIFI | | | | | | | | |
| 1998/99 | 0.22 | 0.87 | 1.58 | 0.86| 0 | 0 | 0 | 3.53 |
| 1999/00 | 0.21 | 0.65 | 1.97 | 0.84| 0 | 0 | 0 | 3.67 |
| 2000/01 | 0.43 | 0.48 | 1.95 | 0.26| 0 | 0 | 0 | 3.12 |
| 2001/02 | 0 | 0.31 | 1.45 | 0.83| 0 | 0 | 0 | 2.59 |
| Predicted 2002/2003 | | 0.28 | 1.44 | | | | | 1.72 |
| 5-Year Average Target | 0.26 | 1.32 | | | | | | 1.58 |

| CAIDI | | | | | | | | |
| 1998/99 | 294.5 | 137.7 | 139.7 | 102.4| 0 | 0 | 0 | 139.8 |
| 1999/00 | 91.3 | 221.0 | 89.9 | 23.4 | 0 | 0 | 0 | 98.0 |
| 2000/01 | 292.7 | 133.4 | 68.4 | 34.4 | 0 | 0 | 0 | 106.5 |
| 2001/02 | 0 | 211.2 | 73.4 | 61.1 | 0 | 0 | 0 | 85.9 |
| Predicted 2002/2003 | | 200.0 | 77.0 | | | | | 97.0 |
| 5-Year Average Target | 195.0 | 77.0 | | | | | | 96.4 |

Faults by Voltage

66kV 33kV 11kV Total
OH per 100km
1998/99 0 3.00 15.00 13.19
1999/00 0 2.00 7.00 6.22
2000/01 0 2.27 6.58 5.85
2001/02 0 1.52 5.30 4.67

| UG per 100km | | | | |
| 1998/99 | 0 | 0 | 0 | 0 |
| 1999/00 | 0 | 0 | 0 | 0 |
| 2000/01 | 0 | 0 | 0 | 0 |
| 2001/02 | 0 | 0 | 0 | 0 |

| Total per 100km | | | | |
| 1998/99 | 0 | 3.00 | 14.98| 13.16 |
| 1999/00 | 0 | 2.00 | 6.98 | 6.21 |
| 2000/01 | 0 | 2.27 | 6.57 | 5.84 |
| 2001/02 | 0 | 1.51 | 5.29 | 4.66 |
| Predicted 2002/2003 | 0 | 1.90 | 6.10 | 5.40 |
| 5-Year Average Target | 0 | 1.90 | 5.90 | 5.19 |

Class C Interruptions Not Restored in 3 hours 10.1%
Class C Interruptions Not Restored in 24 hours 0



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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2002, No 101


Gazette.govt.nz PDF NZ Gazette 2002, No 101





✨ LLM interpretation of page content

πŸ’° Otago Power Limited Reliability Performance Measures (continued from previous page)

πŸ’° Finance & Revenue
Electricity, Reliability Statistics, Performance Measures, Otago Power Limited, SAIDI, SAIFI, CAIDI, Interruptions, Faults by Voltage