A grid would need to be huge, because I will have a ton of sun at the same time as my neighbors and we all have darkness at the same time. Wind can compensate p

A grid would need to be huge, because I will have a ton of sun at the same time as my neighbors and we all have darkness at the same time. Wind can compensate partially but you still need a 100% solution and don't want to give up your country energy security and depend hard on others because if bad weather happens then they will not send you energy and keep it for thir own population.