Solar and wind power just hit record highs in the U.S. with explosive growth and plunging costs. Here’s which states are ...

A new solar breakthrough may overcome a long-standing efficiency barrier. Researchers used a “spin-flip” metal complex to capture and multiply energy from sunlight through singlet fission. The result ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. In 2024, rooftop solar was the fastest-growing source of ...

Electricity prices have risen sharply over the past decade. A new, cheap solar power option could cut bills. But it’s facing ...

Wind energy infrastructure doesn’t produce power if the air isn’t moving, and solar doesn’t generate power if the sun’s not out. But that doesn’t mean that either source of energy is "worthless" ...

Like EVs, solar panels are sold with warranties – but what happens when the warranty runs out? A Swiss university study of solar installations from the 1980s and ’90s found many still generating most ...

Since President Trump returned to office, his administration has been aggressive in rolling back clean energy initiatives. Trump’s “big beautiful bill” ended tax credits for solar panels and electric ...

Rooftop solar offers a practical, low-cost solution for meeting rising urban energy demand in developing countries while reducing emissions and improving energy reliability. However, its success ...