Natural Gas Stocks Inventory in Greece decreased to 0.70 TWh on Sunday April 19 from 0.75 in the previous day. Natural Gas Stocks Inventory in Greece averaged 0.84 TWh from 2012 until 2026, reaching an all time high of 4.33 TWh in August of 2017 and a record low of 0.00 TWh in April of 2026.