How has the price and efficiency of solar panels changed over time?
Solar power technology has been around for a lot longer than many realize. Throughout its development, the technology has seen countless transformations with increased increments of efficiency and eventually a drop in prices that made it available for residential and commercial use. Most of the major developments that led to residential applications came about in the past few decades, but the story starts with how the first steps towards harnessing solar power go all the way back to the 1800s.
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