Castleton Commodities International LLC announced today that a subsidiary has acquired a majority stake in S4 Energy BV, a company that develops, owns and operates large-scale energy storage systems.

According to a recent study by the economic consultancy Ecorys, 2 billion euros a year (the cost of power outages) could be saved by using battery systems.

An overview of TenneT’s position on the application of large batteries (>70MW) by market parties to the grid.

An article highlighting the recent success achieved by S4 Energy and ABB at an energy storage facility in the Netherlands.