Naftogaz of Ukraine accumulated 19.2 bln m3 (down 4.5% y-o-y) of gas in its underground gas storage network, Interfax reported on Tuesday, citing Naftogaz CEO Yevhen Bakulin. This amount is sufficient to cover Ukraine’s domestic consumption for the 2011/2012 heating season. Naftogaz controls 13 storage facilities with the capacity to hold up to 31 bln m3.