California is the latest state to pass a law making it easier to install balcony-friendly solar panels. Renewable energy experts think the new technology is about to take off.

Free tools can help you estimate how much energy you'll get from a plug-in solar panel - and how long it'll take to earn your money back. But can you trust them?

August is the hardest stretch because overnight cooling can empty the batteries before sunrise.

Add Yahoo as a preferred source to see more of our stories on Google. New homes will be built with solar panels and heat pumps, while plug-in solar panels will be available in shops "within months" ...

If you want to capture the sun’s power with solar panels, these are the best solar generators I’ve tested. It's easier and more affordable than ever to capture and channel solar energy for your home.

If you've ever looked at your energy bills and thought, "Why am I paying all this money when there's literally free energy beaming down from the sky?", well, you've got a point. While solar panels ...

Even small solar panels are expensive, so they need to last a long time in order to make their money back. Take my EcoFlow 400W flexible panel. This retails for $550. More from ZDNET If you take the ...

One of the most interesting updates in the solar energy space comes from the Hebrew University of Jerusalem (via EES Solar), where researchers have developed 3D-printed, semi-transparent, flexible ...

Manufacturers say they are close to perfecting a new, more efficient solar panel that could help the United States reclaim ...