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<br /> <br />Ventera lOkW turbine <br /> <br />Putting a turbine <br />on too short of a <br />tower is like placing <br />a solar panel in <br />the shade. <br /> <br />Restrictive Zoning <br />Rules Can Undermine <br />State Law <br />Several states offer <br />financial incentives to <br />promote small wind <br />turbines and clean <br />energy. But zoning <br />height limitations can <br />prevent turbines <br />from generating any <br />meaningful amount <br />of energy, thwarting <br />the intent of the <br />state incentive. <br /> <br />THE IMPORTANCE OF HEIGHT <br /> <br />Why Do They Need To Be Tall? <br /> <br />A tall tower is the single most important <br />factor in the economic viability of a <br />small wind system. Tall towers enable <br />turbines to access faster and better " <br />quality winds, and even small increases <br />in wind speed translate to exponentially <br />more energy the turbine can generate. <br />In other words, a taller tower means <br />far more - and cheaper - energy. <br /> <br />The best sites for turbines are those <br />where the wind is least obstructed, <br />which is often the highest point on a <br />property. Th"e bottom of the turbine <br />rotor should clear the highest wind <br />obstacle (rooftop, mature tree, etc.) <br />within a 500 foot radius by at least <br />30 feet. Doing so ensures the turbine <br />reaches consistent, fast-wind speeds <br />and prolongs the life of the turbine by <br />avoiding stressful air turbulence. <br /> <br />. Wind Spi;&d$ Illt;rease witll Height <br /> <br /> <br />lSD <br /> <br />120 <br /> <br />= <br />~-90 <br />] <br /> <br />o 41 75 tOO 124 <br />IncreaSe in\WlOpOWer, % <br /> <br />10,...kilQwatt <br /> <br /> <br /> <br />5QO feet <br />