The Applicant justifies this price difference by the presence of PRE's low-cost subsidiary (Yello Energy) outside its own area but claims that ČEZ Prodej and E.ON charge identical prices for the energy component of the tariff across the three areas.
Précédemment, la Commission a défini la dimension des marchés de la fourniture au détail de gaz, comprenant les marchés correspondant aux petits clients, comme étant nationale.