The short answer is trivially, but the longer answer is renewables include hydro and biomass not just wind both of which inherently provide long term storage. H

The short answer is trivially, but the longer answer is renewables include hydro and biomass not just wind both of which inherently provide long term storage. Having excess solar or wind on Monday means you curtail biomass and hydro for Tuesday. Excess power on Monday through Friday and you have a great deal ready to ramp op over the weekend. 0.01% edge cases don’t need to have anything special just as long as the general case is oversupply. At the same time Solar is always going to produce some power and the more excess generation you have to charge batteries and curtail hydro etc the higher that minimum worst case generation becomes. Net result is you don’t need to build some huge battery bank to store energy from sunny days in the summer, you just ‘over build’ cheap generation and eventually you have no need for seasonal storage.