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Sun, 7th Jun 2020 15:45:00 |
Bifacial Solar Panels That Follow The Sun Now Most Cost Effective |
A bifacial solar panel is a solar panel that can collect energy from the front side and the rear side (a normal monofacial panel only collects energy from one side). Bifacial solar technology was created in the latter 1960s. It was dormant while the broader PV market exploded. It was too costly for the incremental energy production improvements.
A CleanTechnica field trip and series of articles a couple of years ago mentioned, though, that bifacial solar cells and panels are moving more seriously into play thanks to cost drops and efficiency improvements. A recent scientific article published in the journal Joule confirms our earlier belief, based on time with Array Technologies engineers and founder Ron Corio at their factories and offices, that this technology has promise.
Technology that tilts panels so that they can follow the sun boosts the electricity production of normal solar panels. This solar tracking is used in some solar projects, especially large ones in certain regions, but hasn't been used in most. Bifacial solar PV technology, however, can get an especially useful boost from solar tracking technology, capturing much more sunlight than a normal solar array ever could.
The new report, "Global Techno-Economic Performance of Bifacial and Tracking Photovoltaic Systems," confirms that tilting toward the light, for optimal sunlight collection from both sides, can be the most cost-effective solar option to date. The report determined that this combination of technologies produces almost 35% more energy, on average, than immobile single-panel photovoltaic systems. This reduces the cost of electricity by an average of 16%.
Read original full article
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