Natural Gas Stocks Inventory in Romania increased to 15.66 TWh on Tuesday June 23 from 15.52 in the previous day. Natural Gas Stocks Inventory in Romania averaged 20.86 TWh from 2020 until 2026, reaching an all time high of 35.01 TWh in October of 2024 and a record low of 1.07 TWh in March of 2025.