Power plants
- BIO TERM Sp. z o.o. – Świebodzice CHP
- Malbork CHP
- Mińsk Mazowiecki CHP
- Radzyń Podlaski CHP
- Siedlce CHP
- Tarnobrzeg CHP
- Dalkia Polska Energia SA
- ECO Jelenia Góra
- ECO Nowa Sól
- ECO Opole
- ECO Żary
- Andrychów CHP
- Czechnica CHP
- Gdańsk CHP
- Gorzów Wielkopolski CHP
- Janikowo CHP
- Kraków CHP
- Kutno CHP
- Lubin Wrotków CHP
- MEGATEM Lublin CHP
- Nowa Czechnica CHP
- Pomorzany CHP
- Rybnik Chwałowice CHP
- Skierniewice CHP
- Słupsk CHP
- Świdnik CHP
- Wrocław CHP
- Zgierz CHP
- Lublin CHP
- Oleśnica Gas Power Plant
- Jaworzno Power Plant
- Kozienice Power Plant
- Ostrołęka Power Plant
- Połaniec Power Plant
- Siersza Power Plant
- Skawina Power Plant
- Turów Power Plant
- Głębinów Hydroelectric Power Plant
- Kępice Hydroelectric Power Plant
- Mikolin Hydroelectric Power Plant
- Niedzica Power Plant
- Raduszec Hydroelectric Power Plant
- Rejowice Hydroelectric Power Plant
- Rosnowo Hydroelectric Power Plant
- Rutki Hydroelectric Power Plant
- Strzegomino Hydroelectric Power Plant
- MPEC Łomża
- PCU Piaseczno Sp. z o.o.
- PEC Ciechanów Sp. z o.o.
- Pressure Boosting Station Wileńska
- Veolia Energia Polska SA
- Veolia Południe Sp. z o.o.
- PEC Lubartów
- MPEC Dębica Sp. z o. o.