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 ...

From rolling blackouts in California to windstorms toppling forests (and power lines) in Washington State; hurricanes devastating communities along the eastern seaboard to electrical grid failures in ...

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 ...

All products are independently selected and reviewed by CNN Underscored editors. When you buy through links on our site, we ...

Photovoltaic efficiency has come a long way over the decades, but there’s always room for improvement. A new study analyses how to make solar thermoelectric generators, or STEGs, more efficient by ...