Plug-In Solar Explained: Answers to your top questions

Plug-in solar — widely known as “balcony solar” — is one of the fastest-growing entry points into clean energy, and it is finally gaining a legal foothold in the United States. In this episode, host Elisa Wood talks with Stephan Scherer, co-founder and CEO of CraftStrom, who spent roughly a decade in the European plug-in solar market before bringing the technology to the U.S.

The conversation unpacks what plug-in solar actually is, how small systems can offset a meaningful chunk of a household's electricity bill for a fraction of rooftop-solar costs, and why the technology sidesteps the interconnection agreements and “soft costs” that make traditional residential solar expensive. Scherer addresses the two big safety debates head-on — line-worker protection and grid export — and explains the certifications, anti-islanding shutoffs, and “zero-export” approaches that underpin safe deployment.

They also explore the technical breakthroughs that made plug-in solar practical (lightweight bendable panels, integrated Wi-Fi monitoring, simplified installation), the economics and payback math, the addition of plug-in batteries and virtual power plants, and the wave of state laws — now five enacted — reshaping access for homeowners and renters alike.