>overbuilding is not a sufficient approach because you still need generation at night The energy storage provides generation at night, of course. I said an op

>overbuilding is not a sufficient approach because you still need generation at night The energy storage provides generation at night, of course. I said an optimal mix of oversupply and energy storage. You need both. Your linked paper tries to use only 100% storage and 0% oversupply, which results in very suboptimal economics. The correct approach is to find the cost-optimal mix.