Remember the goal to electrify everything. For the home owner this includes space heating. So if you live in the snowbelt you need to have the battery capacity

Remember the goal to electrify everything. For the home owner this includes space heating. So if you live in the snowbelt you need to have the battery capacity to handle a two week Polar Vortex with temperatures below zero degrees Fahrenheit with very little sun with your fully decentralized solar system. This will require a very expensive battery system!