Natural Gas Stocks Injection in Romania increased to 145.88 GWh/d on Saturday May 23 from 135.28 in the previous day. Natural Gas Stocks Injection in Romania averaged 57.17 GWh/d from 2012 until 2026, reaching an all time high of 219.41 GWh/d in June of 2019 and a record low of 0.00 GWh/d in January of 2012.