Most homes already have a smart meter that digitally communicates with the electric grid. If you're looking to get rooftop solar panels, a smart meter is an essential piece of equipment. Here's why.

"The ability to see real time power consumption and wifi connection." ...

Every solar panel company makes bold claims about its panel efficiency, maximum wattage availability, temperature coefficient and other specs in optimal conditions. Anyone who does product testing ...

It will take many years for a solar panel to pay for itself. Cleaning is vital, as dust can dramatically reduce power output. Testing a suspect panel is pretty straightforward. Even small solar panels ...