Privately held MASS Group Holding plans to invest more than €1 billion (~$1.18 billion) in large-scale battery energy storage projects in Romania after reaching an agreement with the Romanian government, Reuters reported on Wednesday. The projects are intended to support Romania’s power grid as renewable generation expands and older conventional capacity continues to decline. According to Reuters, the investment would involve multiple grid-scale battery installations with combined capacity measured in the gigawatt-hour range. Romanian…