New Zealand Gazette – 2003 – No. 103

Page 2748

✨ Electricity Reliability Performance Measures

Regulation 22

Disclosure by line owners (other than Transpower) of reliability performance measures

1 Total number of interruptions:

Network or Generation Owner	Disclosure Regulation Class	Classification of Interruptions	2003	2002	2001	2000
Orion	B	Planned Shutdowns	356	220	162	313
	C	Unplanned Cuts	611	404	499	545
Transpower	A	Planned Shutdowns	0	0	0	3
	D	Unplanned Cuts	4	2	3	1

Total Interruptions | 971 | 626 | 664 | 862 |

Disclosure Regulation classes E, F and G do not apply to Orion and consequently results are all zero.

2 & 3 Interruption targets:

Network or Generation Owner	Disclosure Regulation Class	Classification of Interruptions	2004	Average 2004 - 2008
Orion	B	Planned Shutdowns	385	385
	C	Unplanned Cuts	555	555

4 Proportion of Class C interruptions not restored within:

(a) 3 hours 25.37%

(b) 24 hours 2.30%

5(a) Faults per 100 circuit-km of electric line:

	2003	2002	2001	2000
66kV	4.4	2.9	0.0	1.7
33kV	3.9	3.7	2.8	4.3
11kV	11.6	7.7	9.7	10.0
All	10.9	7.3	9.1	9.5

(b) & (c) Target number of faults per 100 circuit-km of electric line:

	2004	Average 2004 - 2008
66kV	2.0	2.0
33kV	4.0	4.0
11kV	12.0	12.0
All	11.2	11.2

VUW Te Waharoa — NZ Gazette 2003, No 103

Gazette.govt.nz — NZ Gazette 2003, No 103

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✨ LLM interpretation of page content

🌾 Disclosure of Reliability Performance Measures by Line Owners (continued from previous page)

Domain🌾 Primary Industries & Resources
KeywordsElectricity, Reliability performance, Interruptions, Faults, Orion, Transpower

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