Natural Gas Stocks Injection in Belgium increased to 30.26 GWh/d on Saturday September 19 from 0 in the previous day. Natural Gas Stocks Injection in Belgium averaged 16.44 GWh/d from 2011 until 2026, reaching an all time high of 90.17 GWh/d in April of 2013 and a record low of 0.00 GWh/d in January of 2011.