Generators

Generators and home backup power

A backup power system is one of the bigger purchases a homeowner makes, from about $1,500 for a large battery to five figures for an installed standby generator. Start with the calculator if you don't yet know how much power you need.

How big a generator do I need? Outage runtime calculator

Add up running and starting watts, then see how many hours a battery lasts.

EcoFlow vs Bluetti vs Anker SOLIX: best solar generator for home backup (2026)

A spec-by-spec comparison of the DELTA Pro 3, Apex 300 and F3800 Plus.

Solar generator vs gas generator vs standby generator: real costs compared

Upfront cost, installation, fuel, maintenance, noise and safety.

Safety first: never run a gas generator in a garage, basement or near a window. The U.S. Consumer Product Safety Commission warns that generator carbon monoxide "can kill you in minutes." Wiring backup power into your home's panel should be done by a licensed electrician.