New Zealand Gazette – 2004 – No. 172

Page 4320

✨ Energy Reliability Performance Measures

HORIZON ENERGY DISTRIBUTION LIMITED

Requirement 21 Reliability Performance Measures (Continued)

For the year ended 31 March 2004

	2004	2003	2002	2001	2000
6) Number of Faults per 100 km of Underground Prescribed Voltage Line
110 kV	-	-	-	-	-
33 kV	-	-	-	4.6	0.8
11 kV	4.4	1.5	4.6	-	-
Total Underground Faults / 100km	4.4	1.4	4.4	0.7	-

| 7) Number of Faults per 100 km of Overhead Prescribed Voltage Line |
| 110 kV | 0.6 | 0.6 | 1.7 | 1.7 | 3.4 |
| 33 kV | - | - | - | - | 1.5 |
| 11 kV | 5.0 | 5.0 | 3.4 | 4.8 | 5.7 |
| Total Overhead Faults / 100km | 4.8 | 4.6 | 3.3 | 4.5 | 5.5 |

SAIDI for Total Number of Interruptions |
| | 219 | 192 | 258 (1) | 129 | 205 |

(1) 100 minutes related to Tornado November 2001

| | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |

SAIDI Targets (Next Year) |
| (a) Planned interruptions (Class B) | 45 | 45 | 45 | 45 | 49 | 75 |
| (b) Unplanned interruptions (Class C) | 100 | 100 | 67 | 72 | 72 | 165 |
Average SAIDI Targets (Next 5 Years) |
| (a) Planned interruptions (Class B) | 45 | | | | | |
| (b) Unplanned interruptions (Class C) | 100 | | | | | |
SAIDI for Total Interruptions by Class |
| Class A - Transpower planned interruptions | 74 | - | 87 | 10 | - | - |
| Class B - Horizon planned interruptions | 25 | - | 20 | 35 | 41 | 49 |
| Class C - Horizon unplanned interruptions | 108 | - | 77 | 179 | 77 | 72 |
| Class D - Transpower unplanned interruptions| 12 | - | 8 | 44 | 2 | 80 |
| Class E - Horizon generation unplanned interruptions | - | - | - | - | - | 4 |
| Class F - Other generation unplanned interruptions | - | - | - | - | - | - |
| Class G - Other line owner unplanned interruptions | - | - | - | - | - | - |
| Class H - Other line owner planned interruptions | - | - | - | - | - | - |
| Class I - Not in A to H | - | - | - | - | - | - |

VUW Te Waharoa — NZ Gazette 2004, No 172

Gazette.govt.nz — NZ Gazette 2004, No 172

The Executive Wing of Parliament (depicted) is universally known as The Beehive. It was completed in 1977 and remains the primary office for the elected Government of the day.

✨ LLM interpretation of page content

🏭 Horizon Energy Distribution Limited's Reliability Performance Measures (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsReliability, Performance Measures, Interruptions, Faults, Energy Distribution

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