The main fuel used in the Kozienice Power Plant and the Połaniec Power Plant to generate electricity is pulverized bituminous coal.
The main fuels used in the Białystok CHP Plant are coal and biomass – mainly energy wood chips, energy willow and poplar chips as well as by-products of agricultural production and agricultural products processing industry. The “Zachód” Heat Plant in Białystok, in addition to coal-fired boilers, also has a boiler, in which heat is produced based on grid-supplied gaseous fuel.
MEC Piła produces heat from coal and electricity and heat through combustion of natural gas.
PEC in Oborniki produces heat from fine coal fractions.
Łęczyńska Energetyka uses coal.
ENEA Nowa Energia, for the needs of the Liszków biogas plant, purchases silage, pulp and fruit and vegetable waste that is not suitable for consumption or processing. As at the publication date of this report (26 May 2023), a tender procedure was pending to select the general contractor for comprehensive modernization of the biogas CHP plant in Gorzesław and for its adaptation to operate on the basis of food and agricultural waste and poultry litter.