Ukrainian underground storage facilities are filled by 31% as of Monday.
Natural gas reserves in Ukrainian underground storage facilities (USFs) on May 26 – June 2 rose by 4.1%, or 378 million cubic meters, from 9.301 billion cubic meters to 9.679 bcm.
Some 57.35 bcm of gas was injected into the USFs as of June 2, according to the state-run gas transport system operator Ukrtransgaz.
As reported, the country's USFs are filled by 31% as of today, June 4.
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Ukraine started 2018 with 14.7 bcm gas in its USFs, which was the largest gas stock as of the beginning of the year in the past five years.