Solar Power Evolution

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Dear Readers and Friends,

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I came across an interesting graph on the evolution of solar power/technology today in an article by Sebastian Anthony in ExtremeTech,

History of Solar Power/Technology

started from the lucky finding by Alexandre Becquerel in 1839,  a current was generated when an electrode in a conductive solution was hit by sunlight . Then came the first solar cell, at 1% efficiency, produced by Charles Fritts in 1883.  It was in 1904, Albert Einstein published a paper on the discovery of the photoelectric effect, followed by a flurry of photoelectirc advances until AT & T Bell Lab created the first modern silicon solar cell in 1954.  Between 1950s and 70s cost (about $250 per watt) and efficiency (10%) were two important factors preventing solar power to be the major power player.  But today, the solar power industry has brought the cost/price per watt down to around $3 and at-home installations are becoming more common.   In 2010, even President Obama ordered the installation of solar panels and a solar hot water heater at the White House. It will simply be a matter of few years when solar power will overtake coal in terms of cost and efficiency. As  storage battery technology advances and the fact that solar power is the much cleaner technology (therefore, at a much lower environmental cost) and the technology least likely to generate warfare among nations, solar power/technology does appear to be the best choice for the future of planet earth.

Posted by sunisthefuture-Susan Sun Nunamaker, sunisthefuture@gmail.com

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One Response to “Solar Power Evolution”

  1. David Smith Says:

    This is a very interesting post. I’m lucky to have stumbled upon this site. I’ve never read anything quite like it.

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