According to Mr Viktor Poltavetz mining industry minister of Ukraine officials from Czech utility company CEZ have visited Kiev and Doneck on January 21st 2008 in an attempt to negotiate the supply of 1 million tonnes of Ukrainian coal with 1.2% sulphur content to CEZ thermal power station at Varna.

CEZ Bulgaria declined to comment while the talks are ongoing. The company has admitted that that power station's coal stocks are down to 60,000 tonnes.