Small, plug-in solar power systems have become popular in Germany and several other countries. So why haven’t they taken off in the United States? By Claire Brown Across Germany, more than a million ...

Twenty four states are now considering legislation to allow small, plug-in solar power systems that connect directly into a wall socket. By Claire Brown As the Trump administration stymies hundreds of ...

For years, solar power at home was mostly limited to people who owned their rooftops and could afford the steep upfront costs. But now, a new generation of small, affordable systems — often called ...