NAFTA a.s. Bratislava is interested in using the Ukrainian underground gas storage facilities, Deputy Prime Minister and Minister for Foreign and European Affairs of Slovak Republic Miroslav Lajcak has said in an interview with Interfax-Ukraine.

"NAFTA showed its interest in using underground natural gas storage facilities and obtaining a license to study gas fields," he said.

Lajcak said that Slovakia also proposed that Ukraine introduces joint steps to reconstruct and expand Velke Kapusany-Mykacheve interstate power lines.

NAFTA uses underground gas storage facilities with a capacity of 2.6 billion cubic meters in Slovakia.

Ukraine many times proposed that European partners use its vacant facilities.

Ukrtransgaz operates a system of trunk gas pipelines and 12 underground gas storage facilities in the country with a total capacity of 31 billion cubic meters.