While that's possible, what you'll be able to accomplish with rooftop solar depends a lot on two rather unglamorous technicalities: The size and weight of the panels you can fit on your roof.

Here is a chart that shows how much you can expect to pay for different sizes of a solar panel system: Solar panel tiers are criteria set by the Bloomberg New Energy Finance Report. To be ...

Learn how to size charge controllers, inverters, and solar panels already on hand with a goal of future expansion. Welcome to our series answering reader questions and concerns about how to cut ...