Not if you only use electricity when the sun is shining at 100% power. Yes unless that's not the case.
(Read: definintely yes.)

DYK that Hungarian electrical system is about to collapse (according to the honest local government) due to unable to store (and equalize) the solar and wind power intake? (Hungary has no mountains to use for water-gravity storage.)

#greenenergy #energystorage #solar #hungary