✨ Electricity Reliability Statistics




Reliability Performance Measures (Schedule 1, Part 5)

Interruptions

Interruptions Average Interruption Targets 2004/08 Interruption Targets 2004 Interruption Targets 2003 Actual Interruptions 2002 Actual Interruptions 2001 Actual Interruptions 1999
1 7 0
Planned Interruptions
Class A 1 237 137 156 376
Class B 54 60
Unplanned Interruptions
Class C 164 120 214 224 179 140
Class D 1 1 2 0
Class E 0 0 0 0
Class F 0 0 1 0
Class G 0 0 0 0
Class H 0 0 0 0
Class I 0 0 0 3
Total 346 376 373 339 516
Proportion of Total Class C Interruptions not restored: (a/b*100/1) Within 3 Hours Within 24 Hours
where: a = No. of interruptions not restored within 56 10
b = Total number of Class C interruptions 214 214
Proportion expressed as a percentage 26.17% 4.67%

Reliability Performance Measures (Schedule 1, Part 5)

Faults

Faults per 100 circuit kilometres of prescribed voltage electric line Average Faults Targets 2004/08 Faults Targets 2004 Faults Targets 2003 Actual number of faults 2003 Actual number of faults 2002 Actual number of faults 2001 Actual number of faults 2000
Nominal Voltage
50kV 3 3 3 3 2 4 4
33kV 0 0 0 11 3 7 6
11kV 7 8 13
Total 7 12 7 6
Faults per 100 circuit kilometres of underground prescribed voltage electric line Actual number of faults 2003 Actual number of faults 2002 Actual number of faults 2001 Actual number of faults 2000
Nominal Voltage
66kV
33kV 1 4
11kV 5 0
Total 5 0 1 4
Faults per 100 circuit kilometres of overhead prescribed voltage electric line Actual number of faults 2002 Actual number of faults 2001 Actual number of faults 2000
Nominal Voltage
50kV 3 4 4
33kV 11 3 6
11kV 7 13
Total 7 12 6


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2003, No 95


Gazette.govt.nz PDF NZ Gazette 2003, No 95





✨ LLM interpretation of page content

πŸ—οΈ Reliability Performance Measures for Electricity Interruptions

πŸ—οΈ Infrastructure & Public Works
Electricity, Interruptions, Reliability, Performance Measures, Class C, Planned, Unplanned

πŸ—οΈ Reliability Performance Measures for Electricity Faults

πŸ—οΈ Infrastructure & Public Works
Electricity, Faults, Reliability, Performance Measures, Voltage, Circuit Kilometres