The savings you can realize with solar panels are serious business, not just for pocketbook but for the planet. Not everything about solar PV systems has to be deadly serious, though. Here are five fun facts about solar panels that you may not know.
Solar energy is nothing new. Leonardo Da Vinci had sketches of solar concentrators in his notebooks in the 1400s – of course, he wasn’t planning for electricity. That took a few more centuries.
Scientists were exploring ways to use the sun to generate electricity in the 1860s. When they realized that coal and oil supplies would last far longer than the scientists at the time had predicted, interest in developing solar energy waned. Sound familiar? In 1973 and 1979, oil crises sparked interest in developing solar energy again, and solar panels were born in that era. Again, when the crisis passed, development stopped. This time around, concerns about global warming have combined with the instability in the oil-producing nations to raise concerns and the development of solar PV systems has proceeded by leaps and bounds.
The cost of making solar panels has dropped drastically over the past ten years. In 2001, it was estimated that it cost about $3.28 per watt to produce solar panels in China. In 2009, a US-based maker of solar panels achieved the Holy Grail of solar energy production – solar crystals that cost $1 or less per watt to manufacture. The thin-film solar panels were cheaper in large part because they could be produced in about 2 ½ hours.
The earth receives more energy from the sun in one hour than the entire world uses in an entire year. Is it any wonder that we’re trying to harness that energy for use in solar panels?
Solar panels aren’t just for the home. In 1999, the first solar powered plane launched in the United States. In 2010, a Swiss pilot flew a solar-powered airplane overnight, proving that the solar panels affixed to its wings could collect enough energy during the day to fly all night. And in May, 2011, the same Swiss pilot flew the plane, powered by 12,000 solar PV cells on its first international flight.
Of course, you won’t be expecting your house to take off in flight if you install solar panels on the roof, but you can expect to save a substantial amount of dosh on your electricity bill. To find out just how much money you can save with a solar PV system, contact a local solar installer and request an evaluation. That’s where you’ll get the really fun facts about solar panels.