Well supposedly it costs about $10,000 per turbine and the output is about 2000 kWh/yr. At my rate of 12.6 cents/kWr that's a savings of $252/yr. 10,000/252 = 40 years for them to pay for themselves. So maybe that's Gipe's complaint. But it's not cost-effective for me cuz I won't be here in 40 years.
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