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.

It will take many years for a solar panel to pay for itself. Cleaning is vital, as dust can dramatically reduce power output.

You need to maintain your solar panels if you want them to last. Here are my top care tips, plus how to test for faulty ones.

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 ...

These are the best solar panels of 2026. If you're considering rooftop solar panels, make sure you choose high-quality equipment.