Plug-in solar has remained in the shadows because of a lack of safety standards and often costly requirements imposed by utilities, but that’s changing.

Large-scale solar power generates about 4% of all electricity in the U.S. Capacity has almost doubled in the last year. Smaller-scale installations – including solar panels on things like homes and ...

Across the United States, renters and condo owners are testing small “balcony solar” kits to chip away at rising electric bills. Instead of a full rooftop array, these plug-in panels perch on a ...