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 ...

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 ...

If you want to use your solar generator to run a specific device, make sure its output can meet the energy requirements of that device. For example, if you need to run a device that draws 120 watts of ...

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 ...

We tested 20 solar generators to find the most versatile devices that can provide emergency backup power and fuel off-grid activities. Three came out as the best.