Ruien Energy Storage NV is a joint venture between the Japanese listed company Nippon Koei and the Belgium company Yuso. RES NV is currently developing a battery-based energy storage system in Ruien (East Flanders, Belgium). The BESS targets to deliver ancillary services to European grid...

This battery is about four times smaller than the one at Filclair Serren, but allows enough solar energy to be stored and supplied at other times. Yuso controls this extremely flexible battery to contribute to the network balance....