β¨ Electricity Reliability Performance
CENTRALINES LIMITED - LINES BUSINESS
Electricity Information Disclosure Requirements 2004 - Requirement 21
Reliability Performance Measures
| Interruptions (#) |
2007 |
2006 |
2005 |
2004 |
2003 |
| Planned |
53 |
62 |
28 |
36 |
100 |
| Unplanned |
136 |
126 |
168 |
230 |
230 |
| Total |
189 |
188 |
196 |
266 |
330 |
| Interruptions Targets (#) |
2008 |
| Planned |
50 |
| Unplanned |
135 |
| Total |
185 |
| Average Interruptions Targets (#) |
2008-2011 |
| Planned |
50 |
| Unplanned |
120 |
| Total |
170 |
| Proportion of the total number of Unplanned interruptions not restored within: |
2007 |
2006 |
2005 |
2004 |
2003 |
| 3 hours |
8.10% |
5.60% |
11.90% |
21.70% |
10.60% |
| 24 hours |
0.00% |
0.00% |
0.00% |
0.00% |
0.00% |
| Faults per 100 Km's |
2007 |
2006 |
2005 |
2004 |
2003 |
| 33kV |
3.26 |
8.66 |
3.23 |
6.56 |
7.53 |
| 11kV |
9.05 |
9.05 |
12.30 |
16.35 |
15.80 |
| Total |
12.31 |
17.71 |
15.53 |
22.91 |
23.33 |
| Faults Targets (#) |
2008 |
| 33kV |
2 |
| 11kV |
183 |
| Total |
185 |
| Average Total Faults Targets (#) |
2008-2011 |
| 33kV |
2 |
| 11kV |
168 |
| Total |
170 |
| Faults per 100 Km's - Underground |
2007 |
2006 |
2005 |
2004 |
2003 |
| 33kV |
- |
- |
- |
- |
- |
| 11kV |
- |
- |
1 |
- |
- |
| Faults per 100 Km's - Overhead |
2007 |
2006 |
2005 |
2004 |
2003 |
| 33kV |
4.40 |
8.66 |
3.23 |
6.56 |
7.58 |
| 11kV |
9.64 |
9.05 |
12.30 |
16.35 |
15.85 |
| Total |
14.04 |
17.71 |
15.53 |
22.91 |
23.43 |
| SAIDI |
2007 |
2006 |
2005 |
2004 |
2003 |
| Planned |
38.97 |
41.20 |
15.60 |
7.00 |
67.00 |
| Unplanned |
148.08 |
99.50 |
155.79 |
375.00 |
187.00 |
| Class A |
- |
- |
- |
- |
- |
| Class D |
59.55 |
12.50 |
- |
6.00 |
6.00 |
| Total |
246.60 |
153.20 |
171.39 |
388.00 |
260.00 |
| SAIDI Targets | 2008 |
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Electricity Information Disclosure Requirements 2004 - Requirement 21
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Reliability Performance Measures, Interruptions, Faults, SAIDI, Electricity, Centralines Limited