NewEnergyNews More: THE SOUND OF WIND

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  • Tuesday, November 22, 2011

    THE SOUND OF WIND

    Wind Turbine Trip Measures Up to Low Noise Expectations; Even standing less than 1,000 feet away, visitors say they couldn't hear the blades turning.
    Heather Asiyanbi, November 14, 201 1 (Mount Pleasant Patch)

    Several staff members and officials from Mount Pleasant traveled to Fond du Lac County…[to measure] the noise levels of wind turbines similar to those proposed by SC Johnson for their Waxdale plant. The Brownsville, WI, location features 86 wind turbines over 12 square miles, at least one of which sits less than 500 feet from a landowner who leases his land for the turbines.

    "…[M]easurements were taken at 800 and 1,200 feet away from a geared turbine. The SCJ turbines would be gearless and probably quieter…At 800 feet, measurements came in at 46 - 47 decibels, and at 1,200 feet it was less than 40 decibels…[In comparison] a passing car on the paved road came in at 62 decibels…Since Waxdale is located in a mixed use neighborhood of residential, commercial and industrial development, it's not unreasonable to think most of the surrounding area would muffle the noise from the turning blades."


    click to enlarge

    "SCJ is proposing two or three wind turbines of between 300 and 400 feet tall to generate some of the electricity needed to power the Waxdale plant. Predicted to produce about 15 percent of the total energy needed, the turbines are part of SCJ's plan to generate 100 percent of Waxdale's energy needs on-site with 60 percent coming from renewable energy sources…

    "…[Local residents have] expressed concerns about the turbines on several levels: noise, sun flicker, aesthetics, property values and deaths of flying wildlife…SCJ's wind turbines are…[under consideration by] the Village Planning Commission…"

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