Albedo
The reflectivity of the ground surface beneath or around solar panels, expressed as a fraction from 0 (absorbs all light) to 1 (reflects all light). Snow has high albedo (0.8); grass is low (0.2).
Why It Matters
Higher albedo increases bifacial panel production. Snow-covered ground in winter can boost rear-side generation by 15-25% for elevated bifacial installations.
Related Terms
Bifacial Gain
The additional energy produced by bifacial solar panels from light reflected onto their rear surface. Typical bifacial gain is 5-15% depending on ground reflectivity (albedo), mounting height, and tilt angle.
Bifacial Solar Panel
A solar panel that generates electricity from both sides, capturing reflected light (albedo) on the rear face for 5-30% additional production depending on installation.