New Zealand Gazette – 2003 – No. 120

Page 3273

✨ Energy Reliability Performance Measures

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
	2003
MainPower
Planned Shut-Down (Class B)	167
Unplanned Interruption (Class C)	102
Trans Power
Planned Shut-Down (Class A)	3
Unplanned Interruption (Class D)	3
Generation
Unplanned Interruption (Class E)	-
Generation Other
Unplanned Interruption (Class F)	-
Other
Other Interruptions (Class G)	-
Unplanned Interruption (Class G)	-
Total Interruptions	275

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


	2.97 faults
	2.03 faults
	5.51 faults
	4.27 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
	2003
33 kV	-
11 kV	-
TOTAL	-

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
	2003
33 kV	0.35
11 kV	3.34
TOTAL	3.06

B5. The SAIDI for the total of interruptions:


2003: 284.35
2002: 213.73
2001: 116.94
2000: 204.71

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

Network or Generation Owner	Classification	Minutes per Connected Customer
		2003
MainPower	Planned Shut-Down (Class B)	60.83
	Unplanned Interruption (Class C)	77.87
Trans Power	Planned Shut-Down (Class A)	74.38
	Unplanned Interruption (Class D)	71.27
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:


2003: 2.70
2002: 1.45
2001: 2.08
2000: 1.77

VUW Te Waharoa — NZ Gazette 2003, No 120

Gazette.govt.nz — NZ Gazette 2003, No 120

Parliament House (depicted) was completed in 1918 and remains the primary seat of Parliament.

✨ LLM interpretation of page content

🌾 MainPower New Zealand Ltd Energy Efficiency Performance Measures and Statistics (continued from previous page)

Domain🌾 Primary Industries & Resources
KeywordsEnergy, Efficiency, Reliability Performance Measures, Interruptions, Faults, SAIDI, SAIFI, Electricity Supply

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