KYIV, Sept 24 - Ukraine has raised natural gas reserves in its underground storage facilities (UGS) by 8.374 billion cubic meters (bcm) after the end of the heating season, JSC Ukrtransgaz has said.

Thus, from April 8 to September 22, gas reserves in storage facilities more than doubled, to 15.81 bcm from 7.435 bcm.

According to Interfax-Ukraine's estimates, gas stocks on September 1 through September 22 increased by 1.17 bcm (53.19 million cubic meters [mcm] a day), in August by 1.793 bcm (57.85 mcm per day), in July they expanded by 1.655 bcm (53.38 mcm a day), in June by 1.622 bcm (54.09 mcm per day), in May by 1.632 bcm (52.65 mcm per day), on April 9 through April 30 by 500.84 mcm (22.77 mcm per day).