New Zealand Gazette – 2005 – No. 7

Page 158

✨ Electricity Reliability Statistics

158

NEW ZEALAND GAZETTE, No. 7

17 JANUARY 2005

Reliability Performance Measures (Requirement 21)

Interruptions	Class	Average Interruption Targets 2005/09	Interruption Targets 2006	Actual Interruptions 2004	Actual Interruptions 2003	Actual Interruptions 2002	Actual Interruptions 2001
Planned Interruptions	Class A	71	72	1	1	237	137
	Class B	127	130	247	214	138	224
Unplanned Interruptions	Class D			3	1	1	5
	Class E			0	0	0	0
	Class F			0	0	0	0
	Class G			0	0	0	0
	Class H			0	0	0	0
	Class I			0	0	0	0
	Total			366	346	376	373

Proportion of Total Class C Interruptions not restored: (= a/b*100/1)

where -

a = No. of interruptions not restored within

b = Total number of Class C interruptions

Proportion expressed as a percentage

			Within 3 Hours	Within 24 Hours
			94	18
			247	247
			36.06%	7.29%

Faults

	Average Faults Targets 2005/09	Faults Targets 2006	Actual number of faults 2004	Actual number of faults 2003	Actual number of faults 2002	Actual number of faults 2001
Faults per 100 circuit kilometres of prescribed voltage electric line	Nominal Voltage
	50kV	3	3	2	3	2
	33kV	0	0	6	11	3
	11kV	7	7	8	8	13
	Total			8	12	7

Faults

		Actual number of faults 2004	Actual number of faults 2003	Actual number of faults 2002	Actual number of faults 2001
Faults per 100 circuit kilometres of underground prescribed voltage electric line	Nominal Voltage
	50kV
	33kV
	11kV	4	5	0	1
	Total	4	5	0	1

Faults

		Actual number of faults 2004	Actual number of faults 2003	Actual number of faults 2002	Actual number of faults 2001
Faults per 100 circuit kilometres of overhead prescribed voltage electric line	Nominal Voltage
	50kV	2	3	2	4
	33kV	8	11	3	8
	11kV	8	7	13	8
	Total	8	12	7	6

VUW Te Waharoa — NZ Gazette 2005, No 7

Gazette.govt.nz — NZ Gazette 2005, No 7

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✨ LLM interpretation of page content

🏗️ Statistics (Schedule 1, Part 4) (continued from previous page)

Domain🏗️ Infrastructure & Public Works
KeywordsElectricity, Reliability, Interruptions, Faults, Statistics

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New Zealand Gazette Index

New Zealand Gazette – 2005 – No. 7

Page 158

Online Sources for this page:

VUW Te Waharoa — NZ Gazette 2005, No 7

Gazette.govt.nz — NZ Gazette 2005, No 7

✨ LLM interpretation of page content

🏗️ Statistics (Schedule 1, Part 4) (continued from previous page)

Third-Party Content

NZ Gazette Sources

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