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Each of these sources has limitations, but they have these advantages over conventional energy sources: Security - When you generate 75% of your own electricity with no fuel costs, that's security! Savings - Depending on your resources, your system could provide 10-20 years of free electricity during its lifetime. Cleaner Environment - Renewable energy does not pollute or deplete our natural resources. This concept may seem unusual, but we think you'll agree that we need to curb our dependence on fossil fuel-burning technologies that pollute our environment and leave us vulnerable to wild price swings.
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