In many disaster and outage-prone areas, people are starting to ask whether investing in rooftop solar is good or not.

You should go for rooftop solar. But with batteries

Each day, the sun powers the home and charges up the batteries, which provide power through the night.

solar system combined with a 10- or 30-kilowatt-hour battery is goood.

the most popular battery on the market, the Tesla Powerwall, has just over 13 kWh of storage.

a modest system of solar plus one battery can power critical loads in a home for days at a time anywhere in US

solar can do well in less cloudy events, like wildfire prevention shutoffs in California, or after the 2020 derecho windstorm in Iowa.

Powerwall can run $12,000 to $16,500 for a full system installation