New Zealand Gazette – 2006 – No. 146

Page 4214

✨ Electricity Reliability Statistics

4214 NEW ZEALAND GAZETTE, No. 146 22 NOVEMBER 2006

6 Faults per 100 circuit-km of underground electric line:

	2006	2005	2004	2003
66kV	1.6	1.6	0.0	3.2
33kV	4.0	4.0	4.5	0.0
11kV	2.8	3.1	3.3	2.6
All	2.7	3.1	3.2	2.6

7 Faults per 100 circuit-km of overhead electric line:

	2006	2005	2004	2003
66kV	2.5	1.0	0	5.3
33kV	2.8	3.8	1.9	4.2
11kV	13.3	11.8	10.3	16.9
All	12.0	10.8	9.3	15.5

8, 11,
12, 15,
16, 19 SAIDI, SAIFI and CAIDI by interruption class and in total for 2006:

| 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 | 6.0 | 0.02 | 238 |
| Orion | C | Unplanned cuts | 53.3 | 0.72 | 75 |
| | | | 59.3 | 0.74 | 80 |
| Transpower | A | Planned shutdowns | 0.0 | 0.00 | 0 |
| Transpower | D | Unplanned cuts | 4.7 | 0.22 | 21 |
| | | | 4.7 | 0.22 | 21 |
| | | Total | 64.0 | 0.96 | 67 |

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 |
| Orion | C | Unplanned cuts | 44.0 | 0.71 | 62 |
| | | | 51.7 | 0.74 | 70 |
| Transpower | A | Planned shutdowns | 0.2 | 0.00 | 195 |
| Transpower | D | Unplanned cuts | 1.0 | 0.02 | 46 |
| | | | 1.2 | 0.02 | 55 |
| | | Total | 52.9 | 0.76 | 70 |

VUW Te Waharoa — NZ Gazette 2006, No 146

Gazette.govt.nz — NZ Gazette 2006, No 146

Parliament House (depicted) was completed in 1918 and remains the primary seat of Parliament.

✨ LLM interpretation of page content

🏭 Disclosure of reliability performance measures (continued from previous page)

Domain🏭 Trade, Customs & Industry
KeywordsEnergy Reliability, Interruption Statistics, Performance Measures, Electricity Supply, Orion, Transpower

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