New Zealand Gazette – 2000 – No. 115

Page 2897

✨ Energy Network Statistics



30 AUGUST NEW ZEALAND GAZETTE 2897

Alpine Energy Limited (Lines)

Reliability and Performance Measures - Interruptions and Faults - 31 March 2000

Interruptions

Class 2001/05 (Average Target) 2001 (Target) 2000 1999 1998 1997
Number of Interruptions
Planned Interruptions
Class A 0.8 1 1 2 3 3
Class B 22 25 55 18 28 32
Unplanned Interruptions
Class C 82 85 94 110 51 50
Class D 0.8 1 3 6 7 2
Class E* 0 0 0 0
Class F 0 0 0 0
Class G 0 0 0 0
Class H 0 0 0 0
Class I 0 0 0 0
Total 153 136 89 87

Proportion of Total Class C Interruptions not restored:

2000 1999 1998 1997
Within 3 Hours 18.00% 16.00% na na
Within 24 Hours 0.00% 0.00% na na

Faults

Class 2001/05 (Average Target) 2001 (Target) 2000 1999 1998 1997

Overall System

Faults per 100 circuit kilometres of prescribed voltage electric line
2.72 2.95 3.05 3.59 1.65 1.40
33kV 0.85 1.06 0.00 3.70 1.94 1.29
22kV 0.14 0.68 0.00 1.37 0.00 0.00
11kV 2.99 3.21 3.43 3.71 1.63 1.51
6.6kV 2.50 0.00 0.00 0.00 0.00 0.00

Overhead

Faults per 100 circuit kilometres of prescribed voltage electric line
3.26 3.64 1.58 1.43
33kV 0.00 3.83 1.99 1.31
22kV 0.00 1.37 0.00 0.00
11kV 3.68 3.76 1.55 1.53
6.6kV 0.00 0.00 0.00 0.00

Underground

Faults per 100 circuit kilometres of prescribed voltage electric line
0.00 2.75 2.94 1.04
33kV 0.00 0.00 0.00 0.00
22kV 0.00 0.00 0.00 0.00
11kV 0.00 2.98 3.03 1.08
6.6kV 0.00 0.00 0.00 0.00


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Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 2000, No 115


Gazette.govt.nz — PDF NZ Gazette 2000, No 115




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