Here’s How Solar Panels Work

Video: Earlier this month, Tesla CEO Elon Musk took to Twitter to offer his help to rebuild Puerto Rico’s power grid, damaged by Hurricane Maria. True to his word, the company provided a solar panel and battery storage array to Hospital del Niño, a children’s hospital in San Juan.

Image credit: Kevin Frayer/Getty

While solar panel tech has gotten cheaper and more efficient at a prodigious rate, if you’re not familiar with how it actually works, I don’t blame you. Luckily, Digg made a quick solar panel explainer video with help from former Level Solar engineer Matt Burnrand. If you’re curious about the tech providing power to the children’s hospital after hurricane Maria damaged its power grid, check it out.