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 je dobio posao izgradnje elektrane Belene u skladu sa sporazumom koji je potpisan tijekom posjeta bivšeg ruskog predsjednika Vladimira Putina Sofiji u siječnju 2008. godine.