Natural Gas Stocks Injection in Belgium decreased to 4.75 GWh/d on Sunday June 28 from 14.24 in the previous day. Natural Gas Stocks Injection in Belgium averaged 16.08 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.