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.

When the power goes out because of a hurricane, a storm, or a problem with the electrical grid, portable generators and whole-house generators will do the same important task: provide electricity ...

Partial generators run from $2,000 to $6,300, and most whole-house generators cost between $5,000 and $18,000. Whole-house generator installation costs are the highest because this type of generator ...

During a power outage or when staying off the grid, your first concern is always the electricity. That's why a battery generator (or portable power station) is a wise investment. With a battery ...

Both provide electricity during an outage—the choice comes down to convenience, price, and power A portable generator (left) ...