✨ Electricity Sector Reliability Statistics




NEW ZEALAND GAZETTE

No. 149

Reliability Performance Measures for the Year Ended 31 March 1995

Consumer Connections

Line 33kV Line 11kV Line 6.6kV Cable 33kV Cable 11kV Cable 6.6kV Total Density Con/km
At start of period 49,050 149.9 233.9 482.5 75.2 19.7 226.5 1,188
At end of period 49,730 149.9 235.8 485.0 75.2 20.2 228.7 1,195
Average 49,390 149.9 234.8 483.8 75.2 19.9 227.6 1,191
Totals

Reliability Measure

Reliability Measure SAIDI Cons.Mins SAIDI Mins/Cons SAIFI Cons Int SAIFI Int/Cons CAIDI Mins/Int No Interruptions Class
Distributor Planned 203,767 4.13 2,925 0.06 69.70 27 B
Distributor Unplanned 1,119,964 22.68 32,753 0.66 34.20 95 C
Subtotal 1,323,731 26.80 35,678 0.72 37.10 122
Transpower Planned - - - - - - A
Transpower Unplanned 531,031 10.75 38,436 0.78 13.80 3 D
Subtotal 531,031 10.75 38,436 0.78 13.80 3
ECNZ Planned - - - - - - E
ECNZ Unplanned - - - - - -
Subtotal - - - - - -
Other Gen Planned - - - - - - F
Other Gen Unplanned - - - - - -
Other Than Above - - - - - - G
Subtotal - - - - - -
TOTAL 1,854,762 37.55 74,114 1.50 25.00 125

Faults by Voltage

Faults by Voltage Lines Faults OH Length km OH per 100 km Cable Faults UG Length km UG per 100 km
33kV 7 149.9 4.7 1 75.2 1.5
11kV 33 234.8 14.1 2 19.9 10.0
6.6kV 38 483.8 7.9 6 227.6 2.6
TOTAL 78 868.5 9.0 9 322.8 2.8
Total Faults Total Length in km Faults per 100 km
Total Lines and Cables 87 1,191 7.3


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Reliability Measures, Performance, Electricity Sector, Consumer Connections, Faults, Statistics