At year-start, gas reserves were the largest throughout the past 5 years, with 14.7 billion cubic meters in stock.
Natural gas reserves of natural gas in Ukrainian underground storage facilities (USFs) from March 17 to 24 decreased by 6.7%, or by 577 million cubic meters, down to 8.035 billion cubic meters from 8.612 bcm.
According to the operator of Ukraine's gas transmission system, the state-owned Ukrtransgaz, on March 24, 75.87 million cubic meters of gas was pumped from the storage facilities.
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October 26, 2017, Ukraine stopped pumping gas into its USFs and began its selection for the needs of the heating season.
By the beginning of the heating season 2017-2018 (October 15, 2017), 16.8 bcm of gas had been accumulated.