Tokom pregovora o pristupanju EU, Bugarska se složila da će zatvoriti dva 440-vatna reaktora iz sovjetske ere prije svog zakazanog pristupanja Uniji 1. januara 2007.
During its accession talks with the EU, Bulgaria agreed to shut down the two Soviet-era 440-megawatt reactors before its scheduled entry into the Union on January 1st, 2007.