New Zealand Gazette – 2002 – No. 117

Page 3152

✨ Electricity Reliability Statistics

Reliability Performance Measures (Schedule 1, Part 5)

Para

Interruptions

	Average Interruption Targets 2003/07	Interruption Targets 2003	Actual interruptions
			2002	2001	2000	1999
Planned interruptions
Class A		3	7	1	0	-
Class B	54	80	237	137	158	378
Unplanned interruptions
Class C	104	140	138	179	140	169
Class D		1	5	2	3	0
Class E		-	-	-	-	0
Class F		-	-	-	-	0
Class G		-	-	-	-	0
Class H		-	-	-	-	-
Class I		-	-	-	-	0
Total		378	373	338	316	516

Proportion of Total Class C interruptions not restored: ((a / b * 100))

where -

a = No. of interruptions not restored within 3 Hours
b = Total number of Class C interruptions

	Within 3 Hours	Within 24 Hours
	21	0
	138	138
Proportion expressed as a percentage	15.22%	0.00%

Faults

Para

Faults per 100 circuit kilometres of prescribed voltage electric line	Average Faults Targets 2003/07	Faults Targets 2003	Actual number of faults
			2002	2001	2000	1999
Nominal Voltage
50kV	3	3	2	4	4	5
33kV	7	7	3	7	6	6
11kV	13	13	13	7	6	6
Total			13	7	6	6

Faults per 100 circuit kilometres of underground prescribed voltage electric line	Actual number of faults
	2002	2001	2000	1999
Nominal Voltage
50kV
33kV	0	-	-	4	-
11kV	0	1	4	5	5
Total	0	1	4	5	5

Faults per 100 circuit kilometres of overhead prescribed voltage electric line	Actual number of faults
	2002	2001	2000	1999
Nominal Voltage
50kV	2	4	4	5	6
33kV	3	7	6	6	6
11kV	13	6	6	6	6
Total	12	7	6	6	6

VUW Te Waharoa — NZ Gazette 2002, No 117

Gazette.govt.nz — NZ Gazette 2002, No 117

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✨ LLM interpretation of page content

🏗️ Reliability Performance Measures (continued from previous page)

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

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