A couple of friends live in Sparks, Nevada, close to the Tesla battery plant. I only mention that because it's an interesting coincidence. They recently purchased a Tesla Y (or maybe the X) model.
Their home is solar powered, and they installed a couple of Tesla's Powerwalls.
Powerwall is a home battery designed to store energy from solar or the grid, so you can use it anytime you want—at night or during an outage.
www.tesla.com
Rain or shine, day or night, power outage or not, they're pretty well covered. They also have an ICE vehicle.
If you've got the $$$, juice isn't much concern. Just to put things in perspective, I drive a 10 year old Camry.