✨ Electricity Reliability Performance Measures




3 SEPTEMBER

NEW ZEALAND GAZETTE

2993

Reliability Performance Measures (Schedule 1, Part 5)

Interruptions

Class Average Interruption Targets 2002/06 Interruption Targets 2002 Actual Interruptions 2001 2000 1999 1998
Planned Interruptions
Class A 7 1 0 0
Class B 66 100 137 158 376 485
Class C 122 170 224 179 140 131
Class D 5 2 0 0
Class E
Class F
Class G
Class H
Class I
Total 373 338 516 616

*Proportion of Total Class C Interruptions not restored: (= a/b100/1)**

Where:

  • a = No. of interruptions not restored within
  • b = Total number of Class C interruptions

Proportion expressed as a percentage

Within 3 Hours Within 24 Hours
174 224
224 224
Proportion (%) 77.68% 100.00%

Reliability Performance Measures (Schedule 1, Part 5)

Faults

Faults per 100 circuit kilometres of prescribed voltage electric line Nominal Voltage Average Faults Targets 2002/06 Faults Targets 2002 Actual number of faults 2001 2000 1999 1998
60kV 3.1 3.5 4 4 5 6
33kV
11kV 6 7.5 7 6 6 8
Total 7 6 8 6

Faults

Faults per 100 circuit kilometres of underground prescribed voltage electric line Nominal Voltage Actual number of faults 2001 2000 1999 1998 1997
60kV
33kV 1 4 9 5 10
11kV 0 4 3
Total 1 4 9 5 10

Faults

Faults per 100 circuit kilometres of overhead prescribed voltage electric line Nominal Voltage Actual number of faults 2001 2000 1999 1998 1997
60kV 4 4 5 6 7
33kV 8 6 6 6 8
11kV 7 8 8 8 8
Total 7 8 8 8 8


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2001, No 115


Gazette.govt.nz PDF NZ Gazette 2001, No 115





✨ LLM interpretation of page content

πŸ—οΈ Electricity System Reliability Statistics (continued from previous page)

πŸ—οΈ Infrastructure & Public Works
Electricity, Interruptions, Faults, Performance Measures, Statistics