Natural Gas Stocks Inventory in Poland increased to 33.29 TWh on Sunday August 23 from 33.20 in the previous day. Natural Gas Stocks Inventory in Poland averaged 22.42 TWh from 2011 until 2026, reaching an all time high of 37.40 TWh in October of 2023 and a record low of 0.00 TWh in February of 2014.