✨ Reliability Performance Measures




THE POWER COMPANY 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
2003/04 - 85 391 3 - - - - - 479
2004/05 - 63 354 - - - - - - 417
2005/06 - 152 416 1 - 1 - - - 570
2006/07 - 356 475 1 - 1 - - - 833
Predicted 2007/2008 161 405
5-Year Average Target 168 397

| SAIDI | | | | | | | | | | | |
| | 2003/04 | - | 11.1 | 140.8| 5.4 | - | - | - | - | - | 157.3 |
| | 2004/05 | - | 7.7 | 117.8| | - | - | - | - | - | 125.5 |
| | 2005/06 | - | 14.8 | 143.5| 2.79| | 0.08| - | - | - | 161.2 |
| | 2006/07 | - | 42.4 | 135.1| 4.9 | | 0.5 | - | - | - | 182.9 |
| | Predicted 2007/2008 | 18.9 | 149.3 | | | | | - | - | - | |
| | 5-Year Average Target | 17.2 | 135.7 | | | | | - | - | - | |

| SAIFI | | | | | | | | | | | |
| | 2003/04 | - | 0.10 | 3.42 | 0.61| - | - | - | - | - | 4.13 |
| | 2004/05 | - | 0.04 | 2.96 | | - | - | - | - | - | 3.00 |
| | 2005/06 | - | 0.08 | 2.91 | 0.08| - | - | - | - | - | 3.07 |
| | 2006/07 | - | 0.23 | 2.80 | 0.25| - | - | - | - | - | 3.28 |
| | Predicted 2007/2008 | 0.11 | 2.91 | | | | | - | - | - | |
| | 5-Year Average Target | 0.10 | 2.91 | | | | | - | - | - | |

| CAIDI | | | | | | | | | | | |
| | 2003/04 | - | 111.3 | 41.2 | 8.9 | - | - | - | - | - | 38.1 |
| | 2004/05 | - | 188.3 | 39.8 | | - | - | - | - | - | 41.9 |
| | 2005/06 | - | 197.0 | 49.5 | 33.21| - | 26.67| - | - | - | 52.5 |
| | 2006/07 | - | 188.6 | 48.3 | 20.04| - | 167.00| - | - | - | 56.0 |
| | Predicted 2007/2008 | 171.9 | 51.3 | | | | | - | - | - | |
| | 5-Year Average Target | 165.2 | 46.6 | | | | | - | - | - | |

Faults by Voltage

66kV 33kV 11kV Total
OH per 100km 2003/04 1.68 3.37 6.03 5.62
2004/05 1.40 2.18 5.06 4.71
2005/06 0.28 1.74 5.65 5.15
2006/07 1.12 1.74 6.58 6.02

| UG per 100km | 2003/04 | - | - | - | - |
| | 2004/05 | - | 29.07| 2.22 | 3.20 |
| | 2005/06 | - | 52.63| 6.30 | 8.08 |
| | 2006/07 | - | 26.32| 8.08 | 8.76 |

| Total per 100km| 2003/04 | 1.68 | 3.34 | 5.96 | 5.56 |
| | 2004/05 | 1.40 | 2.38 | 5.02 | 4.69 |
| | 2005/06 | 0.28 | 2.16 | 5.66 | 5.19 |
| | 2006/07 | 1.12 | 1.94 | 6.61 | 6.06 |
| | Predicted 2007/2008 | 0.56 | 1.94 | 5.88 | 5.38 |
| | 5-Year Average Target | 0.55 | 1.90 | 5.76 | 5.28 |

  • Class C Interruptions Not Restored in 3 hours 20.42%
  • Class C Interruptions Not Restored in 24 hours 1.26%


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2008, No 43


Gazette.govt.nz PDF NZ Gazette 2008, No 43





✨ LLM interpretation of page content

🏭 Reliability Performance Measures of The Power Company Limited (continued from previous page)

🏭 Trade, Customs & Industry
Reliability Performance, SAIDI, SAIFI, CAIDI, Interruptions, Faults by Voltage, The Power Company Limited