New Zealand Gazette – 2003 – No. 90

Page 2345

✨ Energy Reliability Performance Measures

HORIZON ENERGY DISTRIBUTION LIMITED

Regulation 22 Reliability Performance Measures

For the year ended 31 March 2003

	2003	2002	2001	2000
1) Interruptions
Class A - Transpower planned interruptions	2	-	1	-
Class B - Horizon planned interruptions	57	54	103	138
Class C - Horizon unplanned interruptions	80	61	77	86
Class D - Transpower unplanned interruptions	4	6	2	8
Class E - Horizon generation unplanned interruptions	-	1	-	1
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	-	-	-	-
Total Number of Interruptions	143	122	183	233

	2004	2003	2002	2001	2000
2) Interruption Targets (Next Year)
(a) Planned interruptions (Class B)	80	80	110	125	150
(b) Unplanned interruptions (Class C)	85	75	80	82	120

	2004	2003	2002	2001	2000
3) Average Interruption Targets (Next 5 Years)
(a) Planned interruptions (Class B)	80	80	110	120	120
(b) Unplanned interruptions (Class C)	85	75	80	82	105

| 4) Proportion of Class C interruptions not restored within |
| (a) 3 hours | 15.0% | 19.7% | 15.6% | 12.8%|
| (b) 24 hours | 0.00% | 0.00% | 0.0% | 0.0% |

	2003	2002	2001	2000
5) Faults per 100 km of prescribed voltage line
(a) Number of faults
110 kV	-	-	-	-
33 kV	0.6	1.7	1.7	3.4
11 kV	4.7	3.5	4.5	5.3
Total Number of Faults	4.3	3.3	4.2	5.1

2004	2003	2002	2001	2000
(b) Number of Faults Targeted
33 kV	-	1.1	1.1	1.1
11 kV	5.1	4.4	4.8	5.3
Total Number of Faults Targeted	4.6	4.1	4.4	4.8

2004	2003	2002	2001	2000
(c) Average Number of Faults Targeted (Next 5yrs)
33 kV	-	1.1	1.1	1.1
11 kV	5.1	4.4	4.8	5.3
Total Average Number of Faults Targeted	4.6	4.1	4.4	4.8

VUW Te Waharoa — NZ Gazette 2003, No 90

Gazette.govt.nz — NZ Gazette 2003, No 90

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✨ LLM interpretation of page content

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

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

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