Many homeowners are surprised to learn that most solar systems stop working during an outage — even on sunny days. That’s why many people add a backup generator (or solar batteries) to make sure their ...

Portable wind generators promise clean energy in windy conditions, but how do they stack up against the proven reliability ...

Solar is no longer just a way to trim your utility bill; for many homeowners it is a serious contender to keep the lights on when the grid goes dark. Whether panels can truly stand in for a gas or ...