Open Access
Table 2
The percentage of electrical grid failure (EGF) reasons for electrical transmission network in southern Poland in particular years 2010, 2011, 2012, 2013, 2014 and for the whole period January 2010–July 2014.
| Year/Type | EGFs – electrical grid failures causes |
|||||
|---|---|---|---|---|---|---|
| A: meteorological effects | B: operational shutdown | C: vandalism | D: aging | E: electronic devices | F: undefined | |
| 2010 | 18.30% | 56.70% | 2.30% | 8.70% | 0.50% | 13.50% |
| 2011 | 22.20% | 51.20% | 4.00% | 7.90% | 1.70% | 13.00% |
| 2012 | 24.30% | 46.10% | 3.80% | 8.80% | 2.20% | 14.80% |
| 2013 | 26.70% | 38.50% | 4.30% | 11.70% | 0.70% | 18.10% |
| 2014 | 47.80% | 21.80% | 1.00% | 13.00% | 5.80% | 10.60% |
| 2010–2014 | 29.00% | 41.70% | 3.00% | 10.20% | 2.40% | 13.80% |
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