Underneath the two 1.5 megawatt wind turbines in Fairhaven, Massachusetts, the whirring sound is unmistakable. Yet, during State-ordered noise testing in October, the turbines were set to spin-only and not to produce electricity. Turbine noise is unmistakably louder when power is being produced. The developer, after denying any manipulation of the turbines to artificially reduce noise levels, in a letter dated February 26, the developer admits a 'mechanical failure' resulted in the turbines not operating as required. The Massachusetts Department of Environmental Protection has ordered new studies.