A coworker of mine lives in the east Bay Area hills and had power outages on two occasions for a couple of days at a time. Their Tesla worked just fine, backed

A coworker of mine lives in the east Bay Area hills and had power outages on two occasions for a couple of days at a time. Their Tesla worked just fine, backed by solar panels and a power wall. If grid instability becomes a bigger problem, due to e.g. decades of corruption surrounding infrastructure maintenance, I expect household-scale battery installations to become a more popular thing.