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| Company | Unit | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| ENEA | PLN mil | ... | ... | 2,224 | 2,626 | 2,292 | 746 | 707 | |||
| PGE | PLN mil | 4,459 | 6,998 | 8,662 | 4,070 | 5,288 | |||||
| Tauron Polska Energia | PLN mil | ... | 1,452 | 1,750 | 2,228 | 2,380 | 3,931 |
Helgi Library 
