Here's a big Hawaii example of solar + battery: https://techcrunch.com/2017/03/10/teslas-kauai-solar-storage-facility-offers-a-glimpse-of-the-companys-future/

Here's a big Hawaii example of solar + battery: https://techcrunch.com/2017/03/10/teslas-kauai-solar-storage-facility-offers-a-glimpse-of-the-companys-future/ https://techcrunch.com/2017/03/10/teslas-kauai-solar-storage... By putting the two together, the combination looks like a conventional power plant in terms of the grid.