What if you could harness the power of the sun to generate your own energy—right in your backyard? Imagine a system so efficient it could heat water, power small appliances, or even serve as a backup ...

All products are independently selected and reviewed by CNN Underscored editors. When you buy through links on our site, we may earn a commission. Learn more unknown content item The best solar ...

Homes traditionally run on power grids, but it isn't 100% reliable. Technical problems can happen at any time, high consumer demand leads to blackouts, and there's the occasional weather disturbance ...