Nakon krize iz 2009, Bugarska je poduzela korake ka izgradnji međusobnih vodova s Turskom (ITB), Grčkom (IGB), Rumunijom (IBR) i Srbijom, kojima bi povezala svoju gasno-transportnu mrežu s mrežama svojih susjeda.
In the wake of the 2009 crisis, Bulgaria took steps towards the construction of interconnectors with Turkey (ITB), Greece (IGB), Romania (IBR) and Serbia that would link its gas transport network with those of its neighbours.