Guide to Solar Design Software: Top Photovoltaic Tools and Programs

How to build a solar system to scale | BBC Earth

For years, solar power at home was mostly limited to people who own their rooftops and could afford the steep upfront costs. But a new generation of small, affordable systems are making clean energy more accessible. The technology, often called "plug-in" solar, is already widespread in Germany and gaining momentum in the United States. KQED's Laura Klivans reports. | PBS NewsHour