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SolarInterested

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Reply with quote  #1 
Solar power from 'the dark side' unlocked by a new formula

http://www.solardaily.com/reports/Solar_power_from_the_dark_side_unlocked_by_a_new_formula_999.html



Excerpts:

"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 the ground, even more electricity might be generated.

Double-sided solar cells are already enabling panels to sit vertically on land or rooftops and even horizontally as the canopy of a gas station, but it hasn't been known exactly how much electricity these panels could ultimately generate or the money they could save.

A new thermodynamic formula reveals that the bifacial cells making up double-sided panels generate on average 15% to 20% more sunlight to electricity than the monofacial cells of today's one-sided solar panels, taking into consideration different terrain such as grass, sand, concrete and dirt. ..."


"... The paper might have gotten the math settled just in time: experts estimate that by 2030, bifacial solar cells will account for nearly half of the market share for solar panels worldwide."

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stmbtwle

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Reply with quote  #2 
Sanyo or Sharp (not sure which) was advertising them 10 years ago. I don't know if the power gained was worth the added cost.
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