New Zealand Gazette – 2002 – No. 123

Page 3304

✨ Electricity Reliability Performance



3304

NEW ZEALAND GAZETTE

No. 123

REGULATION 22
RELIABILITY PERFORMANCE MEASURES
YEAR ENDED 31 MARCH 2002

  1. Total Interruptions
    a) Planned Interruptions by Line Owner (Class B) 281 360 342 492
    b) Unplanned Interruptions by Line Owner (Class C) 195 193 152 243
    c) Unplanned - Transpower (Class D) 1 1

    477     554     494     735

  2. Next Year's Target
    a) Planned Interruptions by Line Owner (Class B) 300 360 400 450
    b) Unplanned Interruptions by Line Owner (Class C) 180 170 200 225
    c) Unplanned

  3. Next 5 Year Average Target
    a) Planned Interruptions by Line Owner (Class B) 300 340 400 430
    b) Unplanned Interruptions by Line Owner (Class C) 150 150 200 220

  4. Unplanned Interruptions (Class C) not restored within:
    a) 3 Hours (%) 58 30 20 27
    b) 24 Hours (%) 1 7 NIL NIL

  5. Faults/100km
    a) Total No. of Faults 7.51 7.5 5.98 10.07
    b) Next Year's Targets 7.1 6.6 8 9.3
    c) Next 5 Year Average Target 6.8 6 7 9.1
    d) i) 33kV Line Voltage
    a) Total no. of Faults 2.57 6.96 1.9 4.3
    b) Next Year's Target 2.00 6.2 3.5 3.5
    c) Next 5 Year Target 1.50 6 3.0 3.0
    ii) 11kV Line Voltage
    a) Total no. of Faults 7.91 7.48 6.45 10.77
    b) Next Year's Target 7 6.7 8 10
    c) Next 5 Year Target 6 6.2 8 9.9

  6. Faults/100km of Underground Line
    a) Total 11.65 10.6 14.56 12.14
    b) 33kV 0 0 0 0
    c) 11kV 11.46 10.87 15.27 12.88

  7. Faults/100km of Overhead Line
    a) Total 6.73 7.1 4.55 9.73
    b) 33kV 2.82 7.7 2.03 4.39
    c) 11kV 7.21 6.9 4.87 10.39

  8. TOTAL SAIDI (with Transpower) 101.63 385.03 103.99 162.4

  9. SAIDI Classification for 31 March 2002
    a) Planned Interruptions by Line Owner (Class B) 31.66 58.43 56.6 80.47
    b) Unplanned Interruptions by Line Owner (Class C) 69.10 81.60 47.3 81.96
    c) Unplanned Interruptions — Transpower (Class D) .87 245.00 - -

  10. SAIDI Targets Next Year
    a) Planned Interruptions by Line Owner (Class B) 37 58 60 75
    b) Unplanned Interruptions by Line Owner (Class C) 60 68 80 75



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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2002, No 123


Gazette.govt.nz — PDF NZ Gazette 2002, No 123




✨ LLM interpretation of page content

🏗️ Reliability Performance Measures for Electricity Supply

🏗️ Infrastructure & Public Works
Electricity, Reliability, Interruptions, Faults, SAIDI, Line Voltage, Underground, Overhead, Performance Targets