Global wind power potential: Physical and technological limits

Global wind power potential: Physical and technological limits

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Article ID: iaor20119515
Volume: 39
Issue: 10
Start Page Number: 6677
End Page Number: 6682
Publication Date: Oct 2011
Journal: Energy Policy
Authors: , , ,
Keywords: life cycle assessment, wind power
Abstract:

This paper is focused on a new methodology for the global assessment of wind power potential. Most of the previous works on the global assessment of the technological potential of wind power have used bottom‐up methodologies (e.g. ). Economic, ecological and other assessments have been developed, based on these technological capacities. However, this paper tries to show that the reported regional and global technological potential are flawed because they do not conserve the energetic balance on Earth, violating the first principle of energy conservation (). We propose a top–down approach, such as that in , to evaluate the physical–geographical potential and, for the first time, to evaluate the global technological wind power potential, while acknowledging energy conservation. The results give roughly 1TW for the top limit of the future electrical potential of wind energy. This value is much lower than previous estimates and even lower than economic and realizable potentials published for the mid‐century (e.g. ).

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