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. 40, issue 1_suppl, 127-142

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.

Keywords: Wind; Returns to Scale; Cross-Sectional Heterogeneity; Semiparametric Methods; Varying Coefficient Models (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:sae:enejou:v:40:y:2019:i:1_suppl:p:127-142

DOI: 10.5547/01956574.40.SI1.gben

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