| Fortum Marketing and Sales Polska S.A. |
| Freepoint Commodities B.V. |
| GEN-I, trgovanje in prodaja električne energije, d.o.o. |
| GET EnTra Sp. z o.o. |
| HANDEN Sp. z o.o. |
| Hekla Energy Sp. z o.o. |
| Inter Energia S.A. |
| JWM ENERGIA Sp. z o.o. |
| MET International AG |
| MFT Energy A/S |
| Mind Energy A/S |
| Next Kraftwerke GmbH |
| Nidhog ApS |
| NOBLE Securities S.A. |
| ORLEN S.A. |
| ORLEN Energia Sp. z o.o. |
| ORLEN Termika S.A. |
| Ørsted Salg & Service A/S |
| PAK-PCE BIOPALIWA I WODÓR Sp. z o.o. |
| PAK-Volt S.A. |
| PGE Dom Maklerski S.A. |
| PGE ENERGETYKA KOLEJOWA S.A. |
| PGE Energia Ciepła S.A. |
| PGE Górnictwo i Energetyka Konwencjonalna S.A. |
| PGE Obrót S.A. |
