β¨ Electricity System Statistics
Statistics (Schedule 1, Part 4)
Statistics
Nominal Voltage
2003
2002
2001
2000
System Length (Total) (kms)
50kV
254.24
258.33
253.55
295.69
33kV
35.50
35.50
35.50
0.00
11kV
2,620.27
2,637.41
2,569.33
2,599.42
230/400 V
848.24
747.27
679.64
600.41
Total
3,758.25
3,678.51
3,538.02
3,495.52
Circuit Length (Overhead) (kms)
Nominal Voltage
2003
2002
2001
2000
50kV
254.24
258.33
253.55
295.69
33kV
35.40
35.40
35.40
11kV
2,502.40
2,532.90
2,472.49
2,499.60
230/400 V
660.34
594.75
529.15
472.07
Total
3,452.38
3,421.38
3,290.59
3,267.36
Circuit Length (Underground) (kms)
Nominal Voltage
2003
2002
2001
2000
33kV
0.10
0.10
0.10
11kV
117.87
104.51
96.84
99.82
230/400 V
187.90
152.52
150.49
128.34
Total
305.87
257.13
247.43
228.16
Transformer Capacity
2003
2002
2001
2000
in kVA
188,006
224,970
209,991
191,218
Maximum Demand
2003
2002
2001
2000
in kW
55,463
57,077
56,950
54,446
Total Electricity Supplied from System, before losses of electricity (kWh)
2003
2002
2001
2000
in kWh
296,908,821
290,305,891
289,563,702
269,881,692
Total amount of electricity conveyed through the system, after losses of electricity, on behalf of each person that is an electricity generator or electricity retailer or both:
Name of retailer/generator
2003
2002
2001
2000
Contact Energy Ltd
166,214,066
161,212,700
160,749,080
177,632,149
Mercury Energy Ltd (Mighty River)
1,638,842
3,831,200
30,972,710
9,843,519
Transalta NZ Ltd
7,252,300
12,588,933
5,322,018
Trustpower Ltd
53,549,918
51,533,500
53,783,112
39,066,269
Meridian Energy Ltd
39,254,678
34,965,200
3,023,455
273,606
Genesis Energy Ltd
10,236,102
2,989,299
21,064,139
NGC/Energy
14,638,363
14,949
Empower
24,500
849,248
TOTAL
275,195,867
269,055,500
264,950,786
253,207,700
Total number of consumers
| | Number | 25,264 | 25,552 | 26,128 | 23,694 |
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ποΈ
Electricity System Statistics
Domain ποΈ Infrastructure & Public Works
Keywords Electricity, System Length, Circuit Length, Transformer Capacity, Maximum Demand, Electricity Supply, Retailers, Generators