RWE Supply & Trading CZ, a.s. (RWEST CZ), based in Prague, is a wholly owned subsidiary of RWE Supply & Trading GmbH. It is primarily involved in wholesale trading with natural gas mainly in the Czech Republic and Slovakia. RWEST CZ has a long tradition in the Czech market, it emerged from Transgas, which was taken over from state ownership by RWE in 2002.
RWEST CZ is part of German RWE group.