✨ Network Statistics




Network Waitaki Limited Lines Business

Reliability and Performance Measures

Interruptions

Class 2008/12 (Target) 2008 (Target) 2007 2006 2005 2004
Number of Interruptions
Planned Interruptions Class A 0 0 0 0 0 0
Class B 125 125 216 178 202 102
Unplanned Interruptions Class C 80 80 100 64 58 109
Class D 0 0 6 1 0 0
Class E + I 0 0 0 0 0 0
Total 205 205 322 243 260 211

Proportion of Total Class C Interruptions not restored:

2008/12 (Target) 2007 2006 2005 2004
Within 3 Hours 35.00% 12.50% 13.79% 0.0% 34.86%
Within 24 Hours 9.0% 0.0% 0.0% 0.0% 0.0%

Faults

Voltage 2008/12 (Target) 2008 (Target) 2007 2006 2005 2004
Overall System
Faults per 100 circuit kilometres of prescribed voltage electric line 4.51 4.51 5.74 3.29 3.37 6.53
33kV 1.23 1.23 3.08 0.00 0.00 0.72
11kV 4.84 4.84 6.01 3.60 3.66 7.04
Overhead
Faults per 100 circuit kilometres of prescribed voltage electric line 4.57 4.57 5.84 3.37 3.45 6.50
33kV 1.25 1.25 3.12 0.00 0.00 0.72
11kV 4.91 4.91 6.12 3.70 3.76 7.02
Underground
Faults per 100 circuit kilometres of prescribed voltage electric line 2.18 2.18 2.18 0.00 0.00 7.87
33kV 0.00 0.00 0.00 0.00 0.00 0.00
11kV 2.28 2.28 2.28 0.00 0.00 7.93


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2008, No 4


Gazette.govt.nz PDF NZ Gazette 2008, No 4





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Network Statistics, Electricity, Reliability, Performance Measures, Interruptions, Faults, Network Waitaki Limited