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Old 04-10-21, 08:10 PM   #5
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Solar thermal and PV is a good investment for us "small guys": individual and single family home dwellers. Nearly as good for retail store rooftops. Return on investment is usually pretty short (under 5 years) if you don't have a battery bank (or huge thermal store). With the modular and microinverter setups out now, you don't have to go "all in" like systems of the past. A modest system can be expanded upon over time without having to reinvent the wheel every phase.
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