Natural Gas Stocks Injection in Italy increased to 762.63 GWh/d on Saturday May 23 from 567.83 in the previous day. Natural Gas Stocks Injection in Italy averaged 280.17 GWh/d from 2011 until 2026, reaching an all time high of 1161.51 GWh/d in May of 2018 and a record low of 0.00 GWh/d in January of 2011.