Blackouts happen, and generators can make them a lot less awful. But what kind of generator do you need, and how powerful does it have to be? Here’s how to tell.

Our best overall pick is the Westinghouse 4,500-watt inverter generator. It’s able to run up to 18 hours on a 3.4-gallon tank with dual fuel technology. With its low oil shutdown, fuel is conserved ...

There are multiple ways you can back up the power in your home: You could go with a solar-battery setup, a diesel/gasoline generator, or a propane generator. While all of these have their various pros ...