Plug-in solar has remained in the shadows because of a lack of safety standards and often costly requirements imposed by ...

Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool. They built homes from clay and other materials that hold heat well, and they placed them in ways that ...

• Hot-water usage: Since the more hot water you use the more money you save with a solar heating system, large households will save a lot more by going solar. For example, a family of four will save a ...

As the co-owner of a California property that has never been tied to the electric grid, I can attest to the warm feeling of self-sufficiency that comes with a functioning solar power system. We’ve ...

From a distance, the energy system on top of a college residence hall in Omaha, Nebraska looks like photovoltaic panels. But as you get closer, it becomes clear that this is something different, with ...

Solar thermal energy is the process of concentrating sunlight to generate heat, which can be used to generate electricity or heat a home, its water supply and more. Solar thermal energy can be used as ...

Federal tax credits for residential solar panels, batteries and heat pumps expired, eliminating incentives that previously saved homeowners thousands of dollars. Emerging lease-to-own models and ...

Researchers in Hong Kong have developed a low-cost hydrogel coating that cools solar panel ...