β¨ Electricity reliability statistics
3228 NEW ZEALAND GAZETTE, No. 132 19 AUGUST 2005
6 Faults per 100 circuit-km of underground electric line:
| 2005 | 2004 | 2003 | 2002 | |
|---|---|---|---|---|
| 66kV | 1.6 | 0.0 | 3.2 | 3.3 |
| 33kV | 4.0 | 4.5 | 0.0 | 0.0 |
| 11kV | 3.1 | 3.3 | 2.6 | 3.3 |
| All | 3.1 | 3.2 | 2.6 | 3.3 |
7 Faults per 100 circuit-km of overhead electric line:
| 2005 | 2004 | 2003 | 2002 | |
|---|---|---|---|---|
| 66kV | 1.0 | 0 | 5.3 | 2.6 |
| 33kV | 3.8 | 1.9 | 4.2 | 4.0 |
| 11kV | 11.8 | 10.3 | 16.9 | 10.2 |
| All | 10.8 | 9.3 | 15.5 | 9.5 |
8, 11,
12, 15,
16, 19 SAIDI, SAIFI and CAIDI by interruption class and in total for 2005:
| Network or generation owner | Interruption class | Classification of interruptions | SAIDI (minutes per connected consumer) | SAIFI (interruptions per connected consumer) | CAIDI (minutes per consumer interrupted) |
|---|---|---|---|---|---|
| Orion | B | Planned shutdowns | 7.7 | 0.03 | 286 |
| C | Unplanned cuts | 44.0 | 0.71 | 62 | |
| 51.7 | 0.74 | 70 | |||
| Transpower | A | Planned shutdowns | 0.2 | 0.00 | 195 |
| D | Unplanned cuts | 1.0 | 0.02 | 46 | |
| 1.2 | 0.02 | 55 | |||
| 52.9 | 0.76 | 70 |
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2005, No 132
Gazette.govt.nz —
NZ Gazette 2005, No 132
β¨ LLM interpretation of page content
π°
Disclosure of reliability performance measures
(continued from previous page)
π° Finance & RevenueEnergy reliability, Interruptions, Planned shutdowns, Unplanned cuts, Faults per circuit-km, Electricity