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How much energy is used to manufacture ship and install a 200 watt PV solar panel How long does it take for the panel to pay for these costs?
Wiki User
∙ 14y ago
Hi, a good question. Solar Energy International is a non profit group that does research on solar power. They studied this problem for several years. The number of years varies, but runs between 1.5 and 6 years for a panel to earn back it's, "Embodied Energy." Many people I talk to argue that this is a bad omen for a panel, the reverse is true. The reason is this: We will always have electricity in our society, the question is what is the best way to produce it. If you built a generator that ran for example on natural gas, and it was very effiecient, say 95%, how long would it take to earn back it's, "Embodied Energy?" The answer is it never does, because after you manufacture and ship a generator like this, it then has to be fed natural gas to continue operating. At least the solar panel has the ability to earn back it's energy after a few years. Hope this helps. Take care, Rudy
Wiki User
∙ 14y ago
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