✨ 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 PDF NZ Gazette 2005, No 132


Gazette.govt.nz PDF NZ Gazette 2005, No 132





✨ LLM interpretation of page content

πŸ’° Disclosure of reliability performance measures (continued from previous page)

πŸ’° Finance & Revenue
Energy reliability, Interruptions, Planned shutdowns, Unplanned cuts, Faults per circuit-km, Electricity