β¨ Electricity Reliability Statistics
Reliability Performance Measures (Schedule 1, Part 5)
Interruptions
| Interruptions |
Average Interruption Targets 2004/08 |
Interruption Targets 2004 |
Interruption Targets 2003 |
Actual Interruptions 2002 |
Actual Interruptions 2001 |
Actual Interruptions 1999 |
|
|
|
|
1 |
7 |
0 |
| Planned Interruptions |
|
|
|
|
|
|
| Class A |
|
1 |
237 |
137 |
156 |
376 |
| Class B |
54 |
60 |
|
|
|
|
| Unplanned Interruptions |
|
|
|
|
|
|
| Class C |
164 |
120 |
214 |
224 |
179 |
140 |
| Class D |
|
|
1 |
1 |
2 |
0 |
| Class E |
|
|
0 |
0 |
0 |
0 |
| Class F |
|
|
0 |
0 |
1 |
0 |
| Class G |
|
|
0 |
0 |
0 |
0 |
| Class H |
|
|
0 |
0 |
0 |
0 |
| Class I |
|
|
0 |
0 |
0 |
3 |
| Total |
|
346 |
376 |
373 |
339 |
516 |
| Proportion of Total Class C Interruptions not restored: (a/b*100/1) |
Within 3 Hours |
Within 24 Hours |
| where: a = No. of interruptions not restored within |
56 |
10 |
| b = Total number of Class C interruptions |
214 |
214 |
| Proportion expressed as a percentage |
26.17% |
4.67% |
Reliability Performance Measures (Schedule 1, Part 5)
Faults
| Faults per 100 circuit kilometres of prescribed voltage electric line |
Average Faults Targets 2004/08 |
Faults Targets 2004 |
Faults Targets 2003 |
Actual number of faults 2003 |
Actual number of faults 2002 |
Actual number of faults 2001 |
Actual number of faults 2000 |
| Nominal Voltage |
|
|
|
|
|
|
|
| 50kV |
3 |
3 |
3 |
3 |
2 |
4 |
4 |
| 33kV |
0 |
0 |
0 |
11 |
3 |
7 |
6 |
| 11kV |
|
7 |
8 |
|
13 |
|
|
| Total |
|
|
|
7 |
12 |
7 |
6 |
| Faults per 100 circuit kilometres of underground prescribed voltage electric line |
Actual number of faults 2003 |
Actual number of faults 2002 |
Actual number of faults 2001 |
Actual number of faults 2000 |
| Nominal Voltage |
|
|
|
|
| 66kV |
|
|
|
|
| 33kV |
|
|
1 |
4 |
| 11kV |
5 |
0 |
|
|
| Total |
5 |
0 |
1 |
4 |
| Faults per 100 circuit kilometres of overhead prescribed voltage electric line |
Actual number of faults 2002 |
Actual number of faults 2001 |
Actual number of faults 2000 |
| Nominal Voltage |
|
|
|
| 50kV |
3 |
4 |
4 |
| 33kV |
11 |
3 |
6 |
| 11kV |
7 |
13 |
|
| Total |
7 |
12 |
6 |
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Reliability Performance Measures for Electricity Interruptions
ποΈ Infrastructure & Public Works
Electricity, Interruptions, Reliability, Performance Measures, Class C, Planned, Unplanned
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Reliability Performance Measures for Electricity Faults
ποΈ Infrastructure & Public Works
Electricity, Faults, Reliability, Performance Measures, Voltage, Circuit Kilometres