1. Hard coal

• Stoker fired boilers: OR-35N, WR-25-014S
• Pulverised fuel hot water boilers: WP-200, WP-120, WP-70
• Pulverised fuel fired boilers with steam drum: OP-70, OP-140, OP-230, OP-380, OP-430, OP-650, AP-1650
• Pulverised fuel fired, once through, steam boilers: BP-1025, BP-1150, Kocioł na parametry nadkrytyczne BP-2450 Jaworzno, Kocioł na parametry nadkrytyczne BP-2450 Jaworzno
• Fluidised bed boilers: OFz-75, OFz-230, OFz-425, OFz-450A, OFz-450B, AFK-c5
• DUOBLOCK: DuoBio

2. Lignite

• Pulverised lignite fired boilers with steam drum: OB-650, OB-660
• Pulverised lignite fired once-through boilers: BB-920, BB-1150, BB-1345, BB-1880, BB-2400
• Fluidised bed boilers: OF-140

3. Oil, gas, fuels combination

• Oil and gas fired boilers: OO-120, OO-260, OO-420
• Mixed fuel fired boilers (oil, gas, coal): OOG-320

4. Waste derived fuel

• Biomass fired or waste incineration boilers

5. Exhaust gas down - stream gas turbine

• Heat recovery steam generators: OU-195