California is investing a half-billion dollars to decarbonize homes for low-income households
(www.quittingcarbonmedia.com)
Plug in Batteries backup and solar panels are being quite cheap today and more interesting than a gas powered generator since you can use then even when there grid is up to lower you electricity bill.
I don't know the situation in the US but in Europe you can get the Zendure solarflow for example.
For less than 3000€ you get 5KWh batterie + 4 solar panel. The battery AND solar panels whether the grid is up or down.