There's simply not a lot of sunlight to go around during the winter and the battery capacity isn't large enough.
replyKeep in mind we WFH and homeschool so our house is used 24/7 and I think it's a good approximation for OP's goal.
> the battery capacity isn't large enough
replyThis. You have enough generation to keep a mansion toasty, but you don’t have enough storage to last a long winter night.