Single-glass bifacial and double-glass photovoltaic panels

What are bifacial solar panels?

As the world seeks sustainable energy solutions, bifacial solar panels emerge as a promising option, combining increased efficiency with reduced installation costs. As the name implies, a bifacial solar panel is a module that has photovoltaic cells on both the front and back sides, designed to capture sunlight from both sides of the panel.

What is the difference between double glass and bifacial glass panels?

Both types generate clean energy, but double glass panels generally shine brighter. They can capture 5-25% more sunlight due to their bifacial design, which means they absorb light from both the front and back. This efficiency boost comes with a price, though.

Do bifacial modules yield more energy than monofacial solar panels?

A standalone bifacial module, if optimally tilted and elevated, would yield more energy than the monofacial module based on the same technology anywhere in the world. The bifacial gain of a solar PV system involves complicated trade-offs dependent on multiple factors: mutual shading, temperature-sensitivity, tilt-angle, and more.

Do bifacial solar panels have a second rating?

Because this power rating considers only the front side of a solar panel, bifacial modules are also assigned a second rating for the electrical output of the module’s rear side.

Who makes bifacial N-Pert solar panels?

The Chinese photovoltaic companies Yingli Solar, Shenzhou International, Jolywood Solar Technology Co., and Jiangsu Linyang Energy Co. are mass producing bifacial n-PERT solar modules that feature a front efficiency of over 21% and bifaciality factor of 80 to 85% .

Are bifacial solar panels best suited for residential rooftop solar installations?

Generally, bifacial solar panels are not best suited for residential rooftop solar installations. Given their likely price premium compared to traditional monocrystalline or polycrystalline panels, they make the most sense for larger solar projects that allow reflected light to reach the back of the panels easily.