REUTERS
USFs were filled by 70% as of January 23, 2021.
Natural gas stocks in Ukraine's underground storage facilities (USFs) shrank by 3.6%, to 21.7 billion cubic meters (bcm) within a week, January 16-23.
As of January 23, 2021, gas reserves in the country's USFs increased by 26% from 17.2 bcm as of January 23, 2020, state-run LLC Gas Transmission System Operator of Ukraine (GTSOU) said.
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Background
Ukraine started pumping natural gas into its USFs on March 11, 2020, as the country's reserves stood 15.808 bcm.
On October 28, National Joint-Stock Company Naftogaz of Ukraine said it had stopped injecting gas into the underground storage facilities, having switched to pumping it out to cover the needs of the 2020-2021 heating season. Ukraine had accumulated over 28 bcm of gas as of said date.