I need an automatic power transfer (changeover) switch for a rainwater pump on a 20A circuit. My electrician doesn't seem to be able to come up with anything under $3-4 grand installed, more than ...

Solar panels can only generate electricity; they can’t store it, so you must pair them with a stand-alone battery bank or a power station. For home emergency power (for a few hours of power), we ...

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