Solar panel installation costs vary significantly, but a typical residential system is between $10,000 to $30,000. On the high end, some solar company reviewers tell us they paid up to $100,000 ...

The rooftop solar business is a big source of consumer complaints. The industry is working to repair its reputation. Here’s how you can protect yourself.

Robotic system eases human strain of massive solar photovoltaic projects and significantly speeds build-out.