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New Zealand Gazette – 1997 – No. 71

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✨ Electricity Reliability Statistics

11 JULY

NEW ZEALAND GAZETTE

1735

PERFORMANCE MEASURES AND OTHER INFORMATION

FOR YEAR ENDED 31 MARCH 1997

5. Reliability Performance Measures

➊ Total number of Interruptions:

	1997	1996	1995
Class B	17	12	13
Class C	25	28	24
Total Other	-	-	-
Total	42	40	37

➋ Faults per 100 circuit Km:

	1997		1996		1995
	33kV	11kV	Total	33kV	11kV	Total
Total number	-	-	3.6	-	-	4.1
Underground	17.6	6.9	8.2	6.3	4.3	4.6
Overhead	370.4	26.3	27.3	-	50.4	50.2

➌ SAIDI number of Interruptions by class:

	1997	1996	1995
Class B	10.15	4.4	12.9
Class C	67.89	52.6	58.4
Total Other	-	-	-
Total	78.04	57.0	71.3

➍ SAIFI number of Interruptions by class:

	1997	1996	1995
Class B	.071	.042	.083
Class C	2.147	.935	1.050
Total Other	-	-	-
Total	2.218	.978	1.133

➎ CAIDI number of Interruptions by class:

	1997	1996	1995
Class B	143	105	155
Class C	32	56	56
Total Other	-	-	-
Total	35	58	63

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NZLII — NZ Gazette 1997, No 71

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🏗️ Electricity Reliability Performance Measures for 1997

Domain🏗️ Infrastructure & Public Works
KeywordsElectricity, Reliability, Interruptions, Faults, SAIDI, SAIFI, CAIDI, Class B, Class C

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