The angle of your solar panels will determine how much energy your system produces. Learn more about how to find the best solar panel angle in this guide.

Industrial solar farms are designed to follow the sun through the day, but your rooftop probably can't do that. Here's how to figure out the best angle for your solar panels.

Most of today's solar panels capture sunlight and convert it to electricity only from the side facing the sky. If the dark underside of a solar panel could also convert sunlight reflected off ...

Scientists at Purdue University have developed a formula to help PV module manufacturers to more precisely calculate the gains provided by bifacial solar panels.

Is your roof a solar hotspot? Swedish researchers are showing homeowners and towns where the sun shines on their buildings over the year.