Willow Creek sat in a valley flanked by rolling hills and a river that shimmered like liquid glass. For decades, the town relied on an aging coal‑fired plant a dozen miles away. The plant’s smokestacks belched a thin, gray plume that hung over the town every winter, and the electric bill in every household crept higher each year. Residents complained of “the smell of coal” and the occasional power outage that left children staring at dark screens.
“Exactly,” said Miss Raquel. “Silicon crystals are doped with impurities—usually phosphorus for n‑type and boron for p‑type—to create a p‑n junction. When sunlight hits the junction, it creates an electric field that separates charge carriers, producing direct current (DC).” missraquel
“Wind energy works on a simple principle,” she said, “the kinetic energy of moving air turns blades, which spin a shaft connected to a generator. The generator converts mechanical energy into electricity, usually three‑phase AC.” Willow Creek sat in a valley flanked by