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?

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.

A combination of perovskite and silicon has yields a highly efficient tandem solar cell, as pictured here. Photo by Dennis ...

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

Homeowners in the Golden State have been able to get some relief by installing solar panels to defray their electric bill, ...

Broccoli grown under magenta solar panels absorbed sunlight more efficiently than plants grown out in the open, according to a study to be published Oct. 2 in Cell Reports Physical Science.

Gavin Newsom has signed a bill formally legalizing so-called balcony solar panels that are smaller, cheaper and easier to ...

Discover how solar thermal towers use rare earth elements for precision tracking, thermal storage, and grid-reliable clean ...

So-called balcony solar has the potential to open up the solar market to many people who cannot take advantage of ...

Solar power used to come with a catch. You needed a roof that faced the right direction, a lender willing to finance panels, ...

Solar panel wiring (also known as stringing), and how to wire solar panels together, is a fundamental topic for any solar ...

Researchers have developed solar cells that function underwater even when submerged to a depth of 10 m and that produce enough power to charge lithium-ion batteries. Such devices could be used to ...