✨ Energy Efficiency Statistics




Regulation 21

Disclosure by line owners of energy delivery efficiency performance measures and statistics

2001 % 2000 % 1999 % 1998 %
1 (a) Load Factor 61.3 57.7 59.5 58.4
(b) Loss Ratio 4.9 4.9 4.9 4.7
(c) Capacity Utilisation 35.3 36.0 30.7 32.3

2 (a) Sum of overhead and underground line circuit lengths:

2001 Average (km) 2000 Average (km) 1999 Average (km) 1998 Average (km)
66kV 116 115 115 115
33kV 321 323 323 324
11kV 5,057 5,063 5,092 4,962
230/400V 2,724 2,836 2,800 2,762
230V Outside Lighting 2,268 2,204 2,177 2,148
Communications 989 980 971 963
Total 11,475 11,521 11,478 11,274

(b) Overhead line circuit lengths:

2001 (km) 2000 (km) 1999 (km) 1998 (km)
66kV 57 57 57 57
33kV 302 306 307 308
11kV 3,180 3,163 3,215 3,135
230/400V 1,300 1,506 1,506 1,506
230V Outside Lighting 957 912 918 923
Total 5,796 5,944 6,003 5,929

(c) Underground line (cable) circuit lengths:

2001 (km) 2000 (km) 1999 (km) 1998 (km)
66kV 59 58 58 58
33kV 18 17 16 16
11kV 1,877 1,900 1,877 1,827
230/400V 1,424 1,331 1,294 1,256
230V Outside Lighting 1,311 1,292 1,260 1,225
Communications 989 980 971 963
Total 5,678 5,578 5,476 5,345


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Online Sources for this page:

VUW Te Waharoa PDF NZ Gazette 2001, No 82


Gazette.govt.nz PDF NZ Gazette 2001, No 82





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Electricity, Energy Efficiency, Performance Measures, Statistics, Line Owners