✨ Electricity Reliability Statistics




OTAGONET JOINT VENTURE LINES 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 2001, 2002, 2003 and 2004

Class A B C D E F G H I TOTAL
2000/01 2 107 216 3 - - - - - 328
2001/02 - 119 178 2 - - - - - 299
2002/03 - 107 171 1 - - - - - 279
2003/04 2 115 197 1 - - - - - 315
Predicted 2004/2005 110 180 -
5-Year Average Target 106 173 -

| SAIDI | | | | | | | | | | |
| 2000/01 | 125.9 | 64.0 | 133.4 | 8.9 | - | - | - | - | - | 332.2 |
| 2001/02 | - | 65.5 | 106.4 | 50.7 | - | - | - | - | - | 222.6 |
| 2002/03 | - | 54.0 | 161.8 | 9.1 | - | - | - | - | - | 224.9 |
| 2003/04 | 45.2 | 59.0 | 395.4 | 4.3 | - | - | - | - | - | 503.9 |
| Predicted 2004/2005 | | 57.6 | 246.5 | | | - | | | | | |
| 5-Year Average Target | | 55.5 | 197.1 | | | - | | | | | |

| SAIFI | | | | | | | | | | |
| 2000/01 | 0.43 | 0.48 | 1.95 | 0.26 | - | - | - | - | - | 3.12 |
| 2001/02 | - | 0.31 | 1.45 | 0.83 | - | - | - | - | - | 2.59 |
| 2002/03 | - | 0.29 | 2.33 | 0.16 | - | - | - | - | - | 2.78 |
| 2003/04 | 0.23| 0.29 | 2.87 | 0.10 | - | - | - | - | - | 3.49 |
| Predicted 2004/2005 | | 0.29 | 2.62 | | | - | | | | | |
| 5-Year Average Target | | 0.28 | 2.10 | | | - | | | | | |

| CAIDI | | | | | | | | | | |
| 2000/01 | 292.7 | 133.4 | 68.4 | 34.4 | - | - | - | - | - | 528.9 |
| 2001/02 | - | 211.2 | 73.4 | 61.1 | - | - | - | - | - | 345.7 |
| 2002/03 | - | 186.3 | 69.5 | 56.6 | - | - | - | - | - | 312.4 |
| 2003/04 | 196.5 | 203.6 | 137.8 | 42.6 | - | - | - | - | - | 580.5 |
| Predicted 2004/2005 | | 200.0 | 94.0 | | | - | | | | | |
| 5-Year Average Target | | 200.0 | 94.0 | | | - | | | | | |

Faults by Voltage

Faults by Voltage 66kV 33kV 11kV Total
2000/01 - 2.27 6.58 5.85
OH per 100km 1.52 5.30 4.67
2001/02 -
2002/03 - 1.32 5.15 4.52
2003/04 1.35 1.66 5.83 5.16

| UG per 100km | | | | |
| 2000/01 | - | - | - | - |
| 2001/02 | - | - | - | - |
| 2002/03 | - | - | - | - |
| 2003/04 | - | - | - | - |

| Total per 100km | | | | |
| 2000/01 | - | 2.27 | 6.57 | 5.84 |
| 2001/02 | - | 1.51 | 5.29 | 4.66 |
| 2002/03 | - | 1.32 | 5.14 | 4.51 |
| 2003/04 | 1.35 | 1.66 | 5.82 | 5.15 |
| Predicted 2002/2003 | 0.41 | 1.48 | 5.40 | 4.70 |
| 5-Year Average Target | 0.34 | 1.48 | 5.10 | 4.50 |

  • Class C Interruptions Not Restored in 3 hours | 14.7%
  • Class C Interruptions Not Restored in 24 hours | 0.5%

Reliability Statistics for 2001, 2002 and three months of 2003 to 30 June 2002 are those achieved by the previous owner, Otago Power Limited.



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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2005, No 15


Gazette.govt.nz PDF NZ Gazette 2005, No 15





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🏭 Reliability Performance Measures for Otagonet Joint Venture Lines Business (continued from previous page)

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Electricity, Reliability, Performance Measures, Statistics, Interruptions, SAIDI, SAIFI, CAIDI, Faults, Voltage