1. Ekonomika w elektroenergetyce;Paska,2007
2. International Energy Agency – IEA. Accessed 26 July 2012. Available online at: (http://www.iea.org/).
3. Polish Ministry of Economy, Projection of demand for fuels and energy until 2030. Appendix 2 for Energy Policy of Poland until 2030. Available online at: (http://www.mg.gov.pl/files/upload/8134/Appendix2.pdf).
4. Central Statistical Office. Accessed 26 July 2012. Available online at: (http://www.stat.gov.pl/).
5. Energy Regulatory Office. Accessed 26 July 2012. Available online at: (http://www.ure.gov.pl).