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Solar Panels Radiate Hope in Swoope

He said, "Solar panels are only 40 percent efficient." I thought, "Are you kidding, it's free." The sun shines and "Zap", you have electricity, isn't that 100 percent efficient?  Well, not so fast smarty pants.  The 40 percent rating is true, if one thinks about how "they" measure efficiency - the actual amount of photons hitting a photovoltaic cell and being converted to electricity.  Scientists have only been able to convert 40 percent of the sunlight into electricity in a lab.  We purchased high efficiency photovoltaic panels that are only 16 percent efficient. But That's Far From The Whole Story on Solar There are so many other … [Read More...]