That kind of automation can make a major difference for families dealing with time-of-use pricing.

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 ...

Plug-in panels are getting popular—how do we make sure they’re safe? Dozens of US states are considering legislation to allow people to install plug-in solar systems, often called balcony solar. These ...