MET Holding AG is part of MET Group, which is engrossed in the sale of natural gas, electricity, oil, LPG, as well as the production of electricity, carrying out commercial activities focused on the sale of commodity on the wholesale market, retail market and trading. MET Holding is also present in Romania through it division MET Romania Energy SA, which is active on the natural gas and electricity supply markets.

RWE Energie supplies electricity and natural gas to corporate customers in Romania, mostly SMEs and particularly to manufacturers in high energy consumption industries and chain stores.