✨ 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 PDF NZ Gazette 2006, No 148


Gazette.govt.nz PDF NZ Gazette 2006, No 148





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