Technology
Increase In Solar Panel Efficiency Over Time [Infograhpic]
There is no secret that solar panels have not been always efficient. In fact, in the 1880s, the efficiency was less than 1%. Fast forward to now and we have researchers developing silicon solar cells with 39.2% efficiency under one-sun illumination. This infographic from SolarPower.Guide covers how solar panels have become more efficient over the years:









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