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Noise: Too Much in Plymouth, Expect More at Brodie

July 16, 2018

SA-NGW-analysisAcoustician Stephen Ambrose has issued a new analysis, finding that all the Future Generation Wind turbines in Plymouth exceed noise levels at night.

In his message to MassDEP Regional Director Millie Garcia-Serrano, Ambrose said “This review finds FGW exceeds the MassDEP noise policy by 10 to 20 dB at all locations. Nighttime turbine noise curtailment does not work. All turbines should be turned off at night.” His interpretation of the noise testing confirms what Plymouth and Bourne residents know from experience: the turbines are too loud to operate at night in the quiet rural area.

The analysis cites the Plymouth Sound Compliance Monitoring Report issued in May 2018 by Waltham-based Tech Environmental.


Anticipated position of cleared pads for 2 more turbines on Brodie Mountain.

Meanwhile the Brodie Mountain power plants will expand by two under an initiative to add larger, 2.3 MW, turbines on previously-cleared sites near the 10 existing 1.5 MW turbines. Apparently anticipating the potential for noise complaints with 8 homes in proximity to the new turbines, reporter Scott Stafford wrote “The turbine blades will utilize a feathered blade trailing edge, reminiscent of a bird’s wing, to minimize blade wake and sound levels.” The turbines are to go up in the fall and begin operation in spring 2019, according to the Berkshire Eagle article (“2 more turbines slated for Berkshire Wind Power project on Brodie Mountain” 7/12/18).


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