PGE Polska Grupa Energetyczna engages in the production, transmission, and distribution of electricity in Poland. The Company operates through four segments: Conventional Generation, Renewables, Supply, and Distribution. It generates electricity from fossil fuels comprising lignite, hard coal, and natural gas, as well as renewable energy sources, such as hydro, wind, biomass, and photovoltaic. PGE Polska Grupa Energetyczna produces, transmits, and distributes heat, sells and purchases electricity and gas on wholesale market, trades in CO2 allowances and energy certificates and purchases and supplies fuels, as well as sells electricity and provides services to end users.