The agreement was reached with Russian Deputy Prime Minister Alexander Novak, Szijjártó said. Gazprom and the Hungarian companies affected by the deal must negotiate the technical details, volume, and price, he added.

The long-term gas contract has been in place for 26 years.

Szijjártó confirmed that a 15 km interconnector between the gas networks of Hungary and Serbia would be completed by October, allowing the delivery of 6 billion cubic meters of gas annually from the south.