New blade designs reduce sound of small turbines
One of the concerns that many property owners and small business owners have about wind turbines is the potential for disruptive noise from the constant spinning of the turbine and its blades. It’s a valid issue – poorly designed installations can generate a large amount of noise, drawing complaints from users and neighbors.
Capital depreciation and small wind turbines
Like any capital investment, wind turbines depreciate over time. Most turbines have an operational life of around 20 years, although wind conditions, maintenance and weather can alter that span one way or another. New advances in engineering and materials science are also having an effect.