Natural Gas Stocks Inventory in Italy increased to 114.98 TWh on Saturday May 23 from 114.22 in the previous day. Natural Gas Stocks Inventory in Italy averaged 133.37 TWh from 2011 until 2026, reaching an all time high of 197.16 TWh in November of 2024 and a record low of 58.64 TWh in April of 2022.