New Zealand Gazette – 2002 – No. 99

Page 2719

✨ Energy Reliability Statistics

B. RELIABILITY PERFORMANCE MEASURES (1999 REGULATIONS)

B1. Total number of interruptions, together with a breakdown of that total according to interruption class.

Interruption Class	Number of Interruptions
	2002
MainPower
Planned Shut-Down (Class B)	154
Unplanned Interruption (Class C)	74
Trans Power
Planned Shut-Down (Class A)	3
Unplanned Interruption (Class D)	-
Generation
Unplanned Interruption (Class E)	-
Generation Other
Unplanned Interruption (Class F)	-
Other
Other Interruptions (Class G)	-
Unplanned Interruption (Class G)	-
Total Interruptions	231

B2. The total number of faults per 100 circuit kilometres of prescribed voltage electric line.

	2002	2001	2000	1999
	2.03 faults	5.51 faults	4.27 faults	16.62 Faults

B3. 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
	2002
33 kV	-
11 kV	3.15
TOTAL	3.08

B4. 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
	2002
33 kV	1.41
11 kV	2.06
TOTAL	2.01

B5. The SAIDI for the total of interruptions:

2002	2001	2000	1999
213.73	116.94	204.71	225.05

B6. The SAIDI for the total number of interruptions within each interruption class:

Network or Generation Owner	Classification	Minutes per Connected Customer
		2002
MainPower	Planned Shut-Down (Class B)	108.62
	Unplanned Interruption (Class C)	52.12
Trans Power	Planned Shut-Down (Class A)	52.98
	Unplanned Interruption (Class D)	-
Generation	Unplanned Interruption (Class E)	-
Generation Other	Unplanned Interruption (Class F)	-
Other	Other Interruptions (Class G)	-
	Unplanned Interruption (Class G)	-

B7. The SAIFI for the total number of interruptions:

2002	2001	2000	1999
1.45	2.08	1.77	1.83

VUW Te Waharoa — NZ Gazette 2002, No 99

Gazette.govt.nz — NZ Gazette 2002, No 99

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✨ LLM interpretation of page content

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

Domain🌾 Primary Industries & Resources
KeywordsEnergy Reliability, Performance Measures, Electricity, MainPower New Zealand Ltd, Interruptions, Faults

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