Solar panels are usually sold with a 25- to 30-year lifespan, which makes a lot of homeowners wonder what happens after that. Do they quietly fade out, or can they keep cutting the electric bill long ...

Space-based solar could power AI more efficiently than on Earth, with full-scale deployment possible in two to three years, Elon Musk said last week in Davos, Switzerland. SpaceX’s Starship launch ...

In comparison, previous accelerated testing studies found that panels should lose up to 1% per year in performance. This new study puts holes in that theory, and though not all panels are likely to ...

Swissolar says PV deployment in Switzerland will likely average 1.5 GW a year through 2027 as the industry adjusts to policy uncertainty and lower feed-in tariffs. It presented three scenarios in its ...

A new study of solar installations from the 1980s and ’90s found many still generating most of their original power.