It *would*, if it actually existed.
So let's see, we have all these eco friendly girls blouses in Scotland, and where is this storage? Hmm,. Its here, in my car.
So all those gigawatts - well all 0,02 (actually its up to 01.GW now) have to get all the way down through special expensive transmission lines, to here.
And of course they have to be sized for the one day a year when the wind IS blowing 'just right' when for most of the year they are wasted capital expense, doing almost nothing. Apart from blighting the countryside.