Natural Gas Stocks Injection in Slovakia decreased to 36.34 GWh/d on Tuesday March 24 from 45.62 in the previous day. Natural Gas Stocks Injection in Slovakia averaged 87.02 GWh/d from 2011 until 2026, reaching an all time high of 378.61 GWh/d in May of 2019 and a record low of 0.00 GWh/d in January of 2011.