Once home batteries come down in price, rooftop solar will be a no-brainer for most households (especially when building new ones or when the roof needs replaci

Once home batteries come down in price, rooftop solar will be a no-brainer for most households (especially when building new ones or when the roof needs replacing anyway). Payback times for rooftop solar are already around the 10 year mark, and that's in the UK where it's not that sunny. Why pay for electricity when you can get it for free?