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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 ...

When you’re driving along the I-10 East toward the Broadway curve, you may see a giant dish off to the side of the freeway, pointed at the sky. The Arizona Department of Transportation estimates that ...

A longstanding Coachella Valley solar power company, Renova Energy, is closing. It will be reborn under a new name with a new ...

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" ...

A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.