The Polish Electricity Association (pol. Polski Komitet Energii Elektrycznej, PKEE), whose supporting members are the largest Polish companies and industry organizations within the energy sector, has developed report in order to present Poland’s achievements in terms of energy transition. Another objective of this report is to familiarize the reader with the scale of challenges facing the Polish energy sector as a result of the implementation of EU and Polish climate and energy policies, and to indicate the impact that the market destabilization will have on the energy transition.