New Zealand Gazette – 2006 – No. 151

Page 4402

✨ Energy Distribution Performance Report

HORIZON ENERGY DISTRIBUTION LIMITED

Requirement 21 Reliability Performance Measures

For the year ended 31 March 2006

	2006	2005	2004	2003

Interruptions
Class A - Transpower planned interruptions | 1 | 8 | 1 | 2 |
Class B - Horizon planned interruptions | 68 | 51 | 67 | 57 |
Class C - Horizon unplanned interruptions | 110 | 125 | 83 | 80 |
Class D - Transpower unplanned interruptions | 8 | 5 | 4 | 4 |
Class E - Horizon generation unplanned interruptions | - | - | - | - |
Class F - Other generation unplanned interruptions | 2 | - | - | - |
Class G - Other line owner unplanned interruptions | - | 1 | - | - |
Class H - Other line owner planned interruptions | - | - | - | - |
Class I - Not in A to H | 2 | 2 | - | - |

Total Number of Interruptions | 187 | 192 | 155 | 143 |

	2007	2006	2005	2004	2003

Interruption Targets (Next Year)
(a) Planned interruptions (Class B) | 62 | 62 | 62 | 80 | 80 |
(b) Unplanned interruptions (Class C) | 82 | 82 | 82 | 85 | 75 |
Average Interruption Targets (Next 5 Years)
(a) Planned interruptions (Class B) | 62 | 62 | 62 | 80 | 80 |
(b) Unplanned interruptions (Class C) | 82 | 82 | 82 | 85 | 75 |
Proportion of Class C interruptions not restored within
(a) 3 hours | 25.00% | 33.60% | 14.46% | 15.00% |
(b) 24 hours | 0.89% | 8.80% | 0.00% | 0.00% |
Faults per 100 km of prescribed voltage line
| | 2006 | 2005 | 2004 | 2003 |
| --- | --- | --- | --- | --- |

(a) Number of faults
110 kV | - | - | - | - |
33 kV | 4.0 | 3.9 | 0.6 | 0.6 |
11 kV | 9.0 | 7.0 | 4.9 | 4.7 |

Total Number of Faults | 8.5 | 6.7 | 4.6 | 4.3 |

	2007	2006	2005	2004	2003

(b) Number of Faults Targeted
110 kV | - | - | - | - | 1.1 |
33 kV | 4.9 | 4.9 | 4.9 | 5.1 | 4.4 |
11 kV | - | - | - | - | - |

Total Number of Faults Targeted | 4.4 | 4.5 | 4.5 | 4.6 | 4.1 |

(c) Average Number of Faults Targeted (Next 5yrs)
110 kV | - | - | - | - | -
33 kV | 4.9 | 4.9 | 4.9 | 5.1 | 4.4 |
11 kV | - | - | - | - | -

Total Average Number of Faults Targeted | 4.4 | 4.5 | 4.5 | 4.6 | 4.1 |

VUW Te Waharoa — NZ Gazette 2006, No 151

Gazette.govt.nz — NZ Gazette 2006, No 151

Parliament House (depicted) was completed in 1918 and remains the primary seat of Parliament.

✨ LLM interpretation of page content

🏭 Horizon Energy Distribution Limited Performance Report (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsEnergy Reliability, Interruptions, Faults, Performance Measures, Targets

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