Heterogeneous Returns to Scale of Wind Farms in Northern Europe

Giacomo Benini, Maria Carvalho, Ludovic Gaudard, Patrick Jochem and Kaveh Madani

The Energy Journal, 2019, vol. Volume 40, issue The New Era of Energy Transition

Abstract: The present paper tries to identify the optimal size of a wind farm using North European data. An empirical analysis of 61 sites constructed between 2004 and 2014 suggests that economies-of-scale are highly heterogeneous across on-shore and off-shore projects. A Varying Coefficient Model captures such diversity by making the impact of the farm site on the amount of its potential capacity a non-linear function of the number of installed turbines. The resulting scale elasticities suggest that small on-shore farms have a bigger per-turbines output than off-shore ones, while the opposite is true for big projects.

JEL-codes: F0 (search for similar items in EconPapers)
Date: 2019
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