Nearly 30% of the country's solar capacity comes from rooftop solar systems — here's how to save money with solar.

Tesla's mammoth 164-stall charger in California is powered by solar panels and huge amounts of off-grid storage.

Global solar installations are expected to double by 2030, and Nextpower sits at the center of that boom. Utility-scale solar is now the cheapest source of new electricity across much of the world.

Everyone knows Tesla for its groundbreaking electric cars, but what if its true revolution is in energy? From solar panels and Powerwalls to massive grid-scale battery projects that are already ...