Extreme weather linked to climate change is causing more blackouts. But generators and batteries are still out of reach of many.
"The neighborhood has lost power a whole lot, but I have not," Ms. Dudley said. She spent about $52,000 on her solar panels and batteries, but $21,600 of that cost was defrayed by rebates and tax credits. Ms. Dudley estimates that her utility bills are about $2,300 a year lower because of that investment and her geothermal system. Generator companies believe that growing electricity usage and…