β¨ 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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VUW Te Waharoa —
NZ Gazette 1998, No 149
NZLII —
NZ Gazette 1998, No 149
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Reliability Performance Measures for Electricity Sector
(continued from previous page)
π Trade, Customs & IndustryReliability Measures, Performance, Electricity Sector, Consumer Connections, Faults, Statistics