solar cells?
I’ve read before where the INTENSITY of the sun’s rays matter w/ regard to the rate at which energy is created/stored using solar cells. Is this true? If I live in California or Arizona, isn’t their exposure to the sun (based on intensity) greater than a person who lives in Arkansas or Oklahoma? Given this, I’m assuming that solar cells would be beneficial in the south, but it just may take longer….?
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Its very true that solar cell efficiency depends on the location where they are being used. This is primarily because of the tilt of the Earths axis as well as seasonal changes. Basically as you get closer to the poles the suns rays become more and more "spread" out because the land in those areas is facing away from the sun. On average days are shorter closer to poles as well because, depending on the location, they may never fully face the sun even in full summer, where as the equator directly faces the sun all year long. Weather can also have a big effect if you were to try and use solar cells in an area (Like Seattle WA) where its almost always cloudy.
However this is only one small problem that scientists are facing with solar cells right now. Right now they only can use a small percentage of the solar energy available. They are also extremely expensive compared to the amount of electricity they produce.