Atomstroyexport was contracted to build the Belene plant under an agreement that was signed during former Russian President Vladimir Putin's visit to Sofia in January 2008.
Atomstroyexport Belene santralinin yapımını, eski Rusya Devlet Başkanı Vladimir Putin'in Ocak 2008'deki Sofya ziyareti sırasında imzalanan bir anlaşmayla üstlendi.