New Zealand Gazette – 1996 – No. 101

Page 2629

✨ Electricity Reliability Performance Measures

3 SEPTEMBER NEW ZEALAND GAZETTE 2629

MAINPOWER NEW ZEALAND LTD

DISCLOSURE RELIABILITY PERFORMANCE MEASURES TO BE DISCLOSED BY LINE OWNERS (OTHER THAN TRANS POWER) PURSUANT TO REGULATION 16 AND PART IV OF THE FIRST SCHEDULE OF THE ELECTRICITY (INFORMATION DISCLOSURE) REGULATIONS 1994

For The Year Ended 31 March 1996

Total number of interruptions, together with a breakdown of that total according to interruption class.

Interruption Class	Number of Interruptions 1996	1995
MainPower
Planned Shut-Down (Class B)	220	257
Unplanned Interruption (Class C)	437	359
Trans Power
Planned Shut-Down (Class A)	1	2
Unplanned Interruption (Class D)	-	2
Generation ECNZ
Unplanned Interruption (Class E)	-	-
Generation Other
Unplanned Interruption (Class F)	-	-
Other
Other Interruptions (Class G)	-	40
Unplanned Interruption (Class G)	-	-
Total Interruptions	658	660

The total number of faults per 100 circuit kilometres of prescribed voltage electric line.

13.29 Faults 11.92 Faults

The total number of faults per 100 circuit kilometres of underground prescribed voltage electric line, together with a breakdown of that total according to different nominal line voltages.

Nominal Voltage	Faults per 100 km 1996	1995
33 kV	-	93.02
11 kV	6.97	4.69
TOTAL	6.77	7.56

The total number of faults per 100 circuit kilometres of overhead prescribed voltage electric line, together with a breakdown of that total according to different nominal line voltages.

Nominal Voltage	Faults per 100 km 1996	1995
33 kV	3.63	7.70
11 kV	14.11	12.26
TOTAL	13.32	11.92

The SAIDI for the total of interruptions:

415.58 351.33

The SAIDI for the total number of interruptions within each interruption class:

Network or Generation Owner	Classification	Minutes per Connected Customer 1996	1995
MainPower	Planned Shut-Down (Class B)	141.47	124.79
	Unplanned Interruption (Class C)	244.24	144.33
Trans Power	Planned Shut-Down (Class A)	29.87	4.91
	Unplanned Interruption (Class D)	-	58.61
Generation ECNZ	Unplanned Interruption (Class E)	-	-
Generation Other	Unplanned Interruption (Class F)	-	-
Other	Other Interruptions (Class G)	-	18.69
	Unplanned Interruption (Class G)	-	-

The SAIFI for the total number of interruptions:

2.90 5.02

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VUW Te Waharoa — NZ Gazette 1996, No 101

NZLII — NZ Gazette 1996, No 101

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✨ LLM interpretation of page content

🏭 Disclosure of Reliability Performance Measures for MainPower New Zealand Ltd (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsReliability Performance, Interruptions, Faults, SAIDI, SAIFI, Electricity, MainPower

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