Južni tok, koji treba početi s radom 2015. godine, prenosit će do 63 milijarde kubika ruskog gasa u Bugarsku, Srbiju, Mađarsku, Sloveniju, Austriju i Italiju jednoj trasi, te u Hrvatsku, Grčku i Tursku u drugoj trasi.
South Stream, which is due to become operational in 2015, will bring up to 63b cubic metres of Russian gas annually to Bulgaria, Serbia, Hungary, Slovenia, Austria and Italy in one leg, and to Croatia, Macedonia, Greece and Turkey in a second one.