Solar Energy National Geographic



If you're thinking about installing solar panels to generate your own electricity, make sure that the roof you'll be installing them on gets plenty of good sunlight. Good sunlight occurs between 9am and 3pm. You'll generate the most electricity if your roof receives full, exposed sunlight between those hours every day.


What are solar cells, and how do they work? Find out more about solar power – and learn how this renewable resource harnesses the power of the sun into …

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