Learn about solar

Solar panels explained: cells type, cell vendor, snow load, wind load, temperature coefficient, module efficiency, power tolerance, pmax and more.

The complete guide to DIY solar panel installation for homes. Here are the exact steps to follow to design and install a solar power system on your roof.

Depending on your state and utility company, you may be eligible for solar rebates that can reduce your cost to install solar panels. See if you're eligible here.

Do solar panels go bad? What is a solar panel's typical life expectancy? Can you do anything to make them last longer? We answer these questions - and more.

A Renewable Portfolio Standard (RPS) is a law that requires electric utilities in a state to generate a certain percentage of electricity from renewable sources by a certain date. The RPS is also used to determine the amount and type of incentives available for solar buyers. That's about as simple as we can put it.

Find out why lithium-ion solar batteries are popular for home solar storage. We reveal popular brands, their costs, and pros and cons.