New Zealand Gazette – 2005 – No. 166

Page 4191

✨ Electricity Reliability Statistics



30 SEPTEMBER 2005

NEW ZEALAND GAZETTE, No. 166

4191

21.5(a) Total Number Of Faults Per 100km
Of Prescribed Voltage Line

Nominal Voltage 2005 Powerco Number of Faults/100km 2004 Powerco Number of Faults/100km 2003 Powerco Number of Faults/100km 2002 Powerco Number of Faults/100km
110kV - - - -
66kV 3.86 3.33 9.31 -
33kV 9.46 10.18 8.42 3.98
22kV 18.21 19.61 12.14 13.00
11kV 11.40 14.34 11.69 8.91
6.6kV 5.00 6.33 4.74 5.07
3.3kV - - - -
Total 11.08 13.72 11.00 8.40

21.5(b) Total Number Of Faults Per 100km
Of Prescribed Voltage Line
(Targeted for the Following Financial Year)

Nominal Voltage 2006 Powerco Number of Faults/100km 2005 Powerco Number of Faults/100km 2004 Powerco Number of Faults/100km 2003 Powerco Number of Faults/100km
110kV N/A 5.50 4.95 -
66kV 6.80 5.93 8.49 5.80
33kV 11.00 10.98 9.39 9.50
22kV 11.30 11.28 9.21 9.40
11kV 10.83 10.86 9.60 9.70
6.6kV N/A - - -
3.3kV - - - -
Total (Weighted Average) 10.62 10.65 9.66 9.20

21.5(c) Total Number Of Faults Per 100km
Of Prescribed Voltage Line
(Targeted for the Following Financial Year
and Subsequent 4 Financial Years)

Nominal Voltage 2006 Powerco Number of Faults/100km 2007-2010 Powerco Number of Faults/100km
110kV N/A N/A
66kV 5.50 5.50
33kV 6.90 6.90
22kV 11.00 11.00
11kV 11.30 11.30
6.6kV 10.63 10.63
3.3kV N/A N/A
Total (Weighted Average) 10.62 10.62

21.6 Total Number Of Faults Per 100km Of
Prescribed Voltage Underground Line

Nominal Voltage 2005 Powerco Number of Faults/100km 2004 Powerco Number of Faults/100km 2003 Powerco Number of Faults/100km 2002 Powerco Number of Faults/100km
110kV - - - -
66kV - - - -
33kV - 2.95 0.59 -
22kV - - - -
11kV 5.66 6.84 4.06 4.25
6.6kV - - - -
3.3kV - - - -
Total (weighted average) 5.30 6.54 3.78 3.83

21.7 Total Number Of Faults Per 100km Of
Prescribed Voltage Overhead Line

Nominal Voltage 2005 Powerco Number of Faults/100km 2004 Powerco Number of Faults/100km 2003 Powerco Number of Faults/100km 2002 Powerco Number of Faults/100km
110kV 3.89 3.33 9.32 -
66kV 10.12 10.72 8.60 4.17
33kV 18.26 19.68 12.18 13.04
22kV 12.02 15.14 12.32 9.17
11kV 5.10 6.48 4.86 6.21
6.6kV - - - -
3.3kV - - - -
Total (weighted average) 11.64 14.45 11.56 8.64

21.8 SAIDI for total interruptions

Interruption Class 2005 SAIDI 2004 SAIDI 2003 SAIDI 2002 SAIDI
Total 208.32 370.41 285.55 159.57

21.9 SAIDI
Targets for the Following Financial Year

Interruption Class 2006 Powerco SAIDI 2005 Powerco SAIDI 2004 Powerco SAIDI 2003 Powerco SAIDI
Class B - Distributor Planned 20 20 26 25
Class C - Distributor Unplanned 130 130 101 73


Next Page →



Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2005, No 166


Gazette.govt.nz — PDF NZ Gazette 2005, No 166




✨ LLM interpretation of page content

🏭 Disclosure of Reliability Performance Measures (continued from previous page)

🏭 Trade, Customs & Industry
Electricity Reliability, Faults, Powerco, Statistics, Performance Measures