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Flapging,the effect <br /> of stronp winds on Flegglnp o � <br /> area vepetaGon, <br /> can help determine Prevailing wtnd--� No � ' Br�ehing <br /> deformity and slight <br /> area wind speeds. ��1� <br /> , . ` ` ;�y;Y•V. , ,�; ,�� `��,�,',rr�4� ' <br /> ,_ ���;.. i;�= _ ' ;3 - ' .,�,- - -<:�.''.t „'�.,_- m!;."3-. <br /> - -�' ,�`` >:z� ,iti,F, �:„:,�'-'��, r� �wr;y,-,• <br /> :�� ero <br /> 'a, <br /> A Siting Handbook for Small Wind How Do 1 Choose the Best <br /> Energy Conversion Systems(see For Site for My Wind Turbine? <br /> More Information). You can have varied wind resources <br /> Direct monitoring by a wind resource within the same property.In addition <br /> measurement system at a site pra to measuring or finding out about <br /> vides the cleazest picture of the avail- the annual wind speeds,you need to <br /> able resource.A good overall guide know about the prevailing directions <br /> on this subject is the Wind Resource of the wind at your site.If you live in <br /> Assessment Handbook(see For More complex tenain,take care in selecting <br /> Information).Wind measurement the installation site.If you site your <br /> systems are available for costs as low wind turbine on the top of or on the <br /> as$600 to$1200.This expense may or windy side of a hill,for example,you <br /> may not be hard to justify depending will have more access to prevailing <br /> on the exact nature of the proposed winds than in a gully or on the lee- <br /> small wind turbine system.The mea- wazd(sheltered)side of a hill on the <br /> surement equipment must be set high same property.In addition to geologic <br /> enough to avoid turbulence created formations,you need to rnnsider <br /> by trees,buildings,and other obstruc- existing obstacles such as trees, <br /> tions.The most useful readings are houses,and sheds,and you need to <br /> those taken at hub-height,the eleva- plan for future obstructions such as <br /> tion at the top of the tower where the new buildings or trees that have not <br /> wind turbine is going to be installed. reached their full height.Your turbine <br /> If there is a small wind turbine sys- needs to be sited upwind of build- <br /> tem in your area,you may be able to ings and trees,and it needs to be 30 <br /> obtain informaHon on the annual feet above anything within 300 feet. <br /> output of the system and also wind You also need enough room to raise <br /> speed data if available. and lower the tower for maintenance, <br />