Well there you go :) If you have the land for it, you might find it mildly more cost effective to ground-mount solar panels at a steeper angle to optimize for

Well there you go :) If you have the land for it, you might find it mildly more cost effective to ground-mount solar panels at a steeper angle to optimize for wintertime production, which would allow you to shrink the battery. Installing 10000 kg of batteries in a home isn't something likely to ever be super easy.