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coldwind Micro Hydroelectric Generator 500 Watt 50 Hz 220 V High Power with Monitoring TV Lighting Computer for Outdoor Use 500 W 220 V : Amazon.de: Business, Industry & Science
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coldwind Micro Hydroelectric Generator 500 Watt 50 Hz 220 V High Power with Monitoring TV Lighting Computer for Outdoor Use 500 W 220 V : Amazon.de: Business, Industry & Science
Assuming “normal” rates for electricity, how many years does it take for a wind turbine to pay for itself or “break even”? - Quora
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