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WIND TURBINE NOISE — WHAT YOU CAN’T HEAR CAN HARM YOU

This commentary is by Brian Dubie, who served as Vermont’s lieutenant governor from 2003-2011. He is a pilot for American Airlines and lives in Fairfield.

Brian Dubie — Vermont Digger — October  4, 2015

What do you think of when you think of an industrial wind project? Wind developers want you to think of free, green electricity. People who live near industrial wind turbines think of noise. Let’s see why.

An industrial wind project in Swanton proposes to install seven 499-foot tall wind turbines along 6,000 feet of Rocky Ridge (elevation 323 feet). We don’t know what turbine model the developer is considering, so let’s look at the GE 2.75-120 Wind Turbine. At 475 feet, it is slightly smaller than the developer’s Swanton turbines. GE says a single one of their 475-foot monsters can produce 106 dBA of noise. Scaling up to seven turbines would increase that noise to 109 dBA. (Noise is measured as pressure on a scale that is logarithmic, so sometimes the numbers are difficult to understand, but 109 dBA is loud. For comparison, my chainsaw is rated at 109 dBA. I wear ear protection when I use it.)

So, when you think of industrial wind turbines on a ridge line, envision an airport with a line of airplanes that are holding for take-off. The airplanes are powered by chainsaw engines that have run up their engines to full power. But, unlike planes at an airport, the turbines never take off. Now, imagine this at 2 in the morning.  Continue reading here…..

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  1. WIND TURBINE NOISE — WHAT YOU CAN’T HEAR CAN HARM YOU | Global Wind Energy -- The Human Impact - October 9, 2015

    […] Source: WIND TURBINE NOISE — WHAT YOU CAN’T HEAR CAN HARM YOU […]

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