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New Zealand Gazette – 1997 – No. 102

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✨ Electricity Reliability Statistics

NEW ZEALAND GAZETTE

No. 102

Reliability Performance Measures

Total number of interruptions together with a breakdown of the total according to interruptions class.

TOTAL NUMBER OF INTERRUPTIONS

INTERRUPTION CLASS	Number of Interruptions
	1997
Class A - being a planned interruption by Trans Power	0
Class B - being a planned interruption by any line owner (other than Trans Power)	248
Class C - being an unplanned interruption originating within the works of the principal line owner, where those works are used for the supply of line function services	246
Class D - being an unplanned interruption originating within the works of Trans Power, where those works are used for supply of line function services	0
Class E - being an unplanned interruption originating within works used, by the Corporation, for the generation of electricity	0
Class F - being an unplanned interruption originating within works used, by persons other than the Corporation, for the generation of electricity	0
Class G - being an interruption not referred to in any of paragraphs (a) to (f) of this definition	0

	1997	1996	1995
Total number of faults per 100 circuit kilometres of prescribed voltage electric line	6.9	6.8	9.2
Total number of faults per 100 circuit kilometres of underground together with a breakdown according to nominal line voltages	0	0	0

Total number of faults per 100 circuit kilometres of overhead prescribed voltage electric line together with a breakdown according to nominal line voltages

Line Voltages	1997	1996	1995
33kV	4.3	2.9	5.1
22kV	4.8	3.6	2.3
11kV	7.6	7.8	10.5
Total	6.9	6.8	9.2

INTERRUPTION INDICES

INTERRUPTION CLASS	SAIDI
	1997
Class A - being a planned interruption by Trans Power	0
Class B - being a planned interruption by any line owner (other than Trans Power)	82.7
Class C - being an unplanned interruption originating within the works of the principal line owner, where those works are used for the supply of line services	113.4
Class D - being an unplanned interruption originating within the works of Trans Power, where those works are used for supply of line function services	0
Class E - being an unplanned interruption originating within works used, by the Corporation, for the generation of electricity	0
Class F - being an unplanned interruption originating within works used, by persons other than the Corporation, for the generation of electricity	0
Class G - being an interruption not referred to in any of paragraphs (a) to (f) of this definition	0

The SAIDI for the total number of interruptions | 196 | 200 | 202 |

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VUW Te Waharoa — NZ Gazette 1997, No 102

NZLII — NZ Gazette 1997, No 102

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✨ LLM interpretation of page content

🏗️ Electricity System Statistics (continued from previous page)

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

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