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The Changing Energy MixA Systematic Comparison of Renewable and Nonrenewable Energy$
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Paul F. Meier

Print publication date: 2020

Print ISBN-13: 9780190098391

Published to Oxford Scholarship Online: February 2021

DOI: 10.1093/oso/9780190098391.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 17 June 2021

Wind Energy

Wind Energy

A Renewable Energy Type

(p.185) 6 Wind Energy
The Changing Energy Mix

Paul F. Meier

Oxford University Press

A wind farm is a collection of wind turbines, sufficiently spaced to avoid wind interference between turbines. Onshore and offshore are the two basic types of wind farms. The cost of building an offshore farm is greater because of the need for turbines that withstand high wind and corrosive conditions of the sea, plus the expense of installing underwater transmission cables to shore. For an onshore wind farm, the land area for the farm is large, but the direct impact area is relatively small. The direct impact area includes the turbine pads, roads, substations, and transmission equipment, and only makes up about 2% of the total wind farm area. Since the direct impact area is small compared to the total wind farm area, agriculture and ranching can coexist with the wind farm. Wind is a very fast growing renewable energy technology. In the ten years since 2009, the worldwide capacity for wind power increased 276% while US capacity increased 175%.

Keywords:   onshore, wind farm, offshore, rotor, kinetic energy, turbine rating, Betz efficiency, direct impact area, turbine spacing

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