New Zealand Gazette – 1997 – No. 103

Page 2413

✨ Electricity Reliability Statistics



25 AUGUST NEW ZEALAND GAZETTE 2413

1997 1996 1995

(b) Total number of faults per 100 circuit kilometres prescribed voltage electric lines

9.06 12.57 11.13

(c) Total number of faults per 100 circuit kilometres of underground prescribed voltage electric lines

1997 1996 1995
33 kV - - -
22 kV - - -
11 kV 3.45 4.00 2.14
Total 3.28 3.77 2.00

(d) Total number of faults per 100 circuit kilometres of overhead prescribed voltage electric lines

1997 1996 1995
33 kV 4.56 1.50 2.42
22 kV 9.38 - -
11 kV 10.01 14.54 12.65
Total 9.24 12.81 11.36

(e) The SAIDI for total of interruptions

343.49 215.88 249.11

(f) The SAIDI for total of interruptions within each interruption class

Class 1997 1996 1995
Class A - 102.28 58.22
Class B 95.41 - -
Class C 150.51 113.61 126.65
Class D 97.58 0 64.24
Class E - - -
Class F - - -
Class G - - -

(g) The SAIFI for total of interruptions

2.89 1.82 2.21

(h) The SAIFI for total of interruptions within each interruption class

Class 1997 1996 1995
Class A - - -
Class B 0.34 0.44 0.29
Class C 2.18 1.38 1.09
Class D 0.36 - 0.83
Class E - - -
Class F - - -
Class G - - -

(i) The CAIDI for total of interruptions

119.04 118.44 112.72

(j) The CAIDI for total of interruptions within each interruption class

Class 1997 1996 1995
Class A - - -
Class B 280.59 232.59 200.76
Class C 68.93 82.14 116.19
Class D 269.52 - 77.40
Class E - - -
Class F - - -
Class G - - -


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✨ LLM interpretation of page content

🏭 Electricity Information Disclosure for Ashburton Limited (continued from previous page)

🏭 Trade, Customs & Industry
13 July 1997
Electricity, System Lengths, Circuit Length, Transformer Capacity, Maximum Demand, Total Electricity Supplied, Customers, Reliability Performance