There is currently almost no financial incentive to build storage, because we haven't built enough generation capacity yet. Germany for example gets 40-50% of i

There is currently almost no financial incentive to build storage, because we haven't built enough generation capacity yet. Germany for example gets 40-50% of its electricity from renewables on average and only 1-2% are lost because we don't know what to do with it during times of overproduction. So any storage system would mostly be filled with fossil power right now.