Hardly anyone in Bulgaria would question the need for diversifying energy sources and supply routes, particularly following the gas crisis in January 2009, when a price row between Russia and Ukraine led to a severe disruption in deliveries to much of Europe.
Malo tko bi u Bugarskoj postavio pitanje potrebe diverzifikacije energetskih izvora i puteva opskrbe, a posebice nakon krize s plinom u siječnju 2009. godine, kada je spor oko cijene između Rusije i Ukrajine doveo do ozbiljnog prekida isporuka većem dijelu Europe.