✨ Reliability Performance Measures




NEW ZEALAND GAZETTE

No. 106

REGULATION 22

RELIABILITY PERFORMANCE MEASURES

YEAR ENDED 31 MARCH

1999 1998 1997 1996
1) Total Interruptions
a) Planned Interruptions (Class B) 492 401 372 308
b) Unplanned Interruptions (Class C) 243 278 303 222
Total 735 680 675 530
  1. Next Year Target
    a) Planned Interruptions (Class B) 450
    b) Unplanned Interruptions (Class C) 225

  2. Next 5 Year Average Target
    a) Planned Interruptions (Class B) 430
    b) Unplanned Interruptions (Class C) 220

  3. Unplanned Interruptions not restored within:
    a) 3 Hours (%) 27 | 30 | 30 | 30
    b) 24 Hours (%) 0 | 0 | 0 | 0

  4. Faults/100km
    a) Total No. of faults 10.07 | 11.58 | 12.74 | 9.35
    b) Next year targets 9.3
    c) Next 5 year average target 9.1

    d) 33kV Line Voltage
    i) Total no. of faults 4.3
    Next year target 3.5
    Next 5 year target 3.0
    ii) 11kV Line Voltage
    Total no. of faults 10.77 | 12.11 | 13.36 | 14.48
    Next year target 10
    Next 5 year target 9.9

  5. Faults/100km of Underground Line
    a) Total 12.14 | 16.81 | 18.56 | 15.15
    b) 33kV 0 | 36.84 | 10.53 | 0
    c) 11kV 12.88 | 15.63 | 19.05 | 16.5

  6. Faults/100km of Overhead Line
    a) Total 9.73 | 10.72 | 11.74 | 8.41
    b) 33kV 4.39 | 4.41 | 6.61 | 4.83
    c) 11kV 10.39 | 11.50 | 12.38 | 9.17

  7. TOTAL SAIDI 162.4 | 167.18 | 164.4 | 111.8

  8. SAIDI Targets Next Year
    a) Planned Interruptions (Class B) 75
    b) Unplanned Interruptions (Class C) 75

  9. SAIDI Targets Next 5 years
    a) Planned Interruptions (Class B) 70
    b) Unplanned Interruptions (Class C) 70

  10. SAIDI
    a) Planned Interruptions (Class B) 80.47 | 67.96 | 49.36 | 29.6
    b) Unplanned Interruptions (Class C) 81.96 | 95.81 | 115.05 | 72.2

  11. TOTAL SAIFI 2.38 | 3.11 | 3.13 | 1.97

  12. SAIFI Target Next Year
    a) Planned Interruptions (Class B) 0.5
    b) Unplanned Interruptions (Class C) 1.5

  13. SAIFI Target next 5 years
    a) Planned Interruptions (Class B) 0.45
    b) Unplanned Interruptions (Class C) 1.4



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🏭 Hawke's Bay Network Ltd Financial Statements Notes (continued from previous page)

🏭 Trade, Customs & Industry
5 August 1999
Audit, Financial Performance, Efficiency Measures, Electricity Regulations, Statistics