Journal
ENERGY
Volume 90, Issue -, Pages 429-438Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2015.07.055
Keywords
Wind energy; Efficiency; Free disposal hull; Bias correction
Categories
Funding
- German Research Foundation [CRC 649]
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This article examines the efficiency of wind energy production. Using non-convex efficiency analysis, we quantify production losses for 19 wind turbines in four wind parks across Germany. In a second stage regression, we adapt the linear regression results of Kneip, Simar, and Wilson (2015) to explain electricity losses by means of a bias-corrected truncated regression analysis. The results show that electricity losses amount to 27% of the maximal producible electricity. Most of these losses are from changing wind conditions, while 6% are from turbine errors. (C) 2015 Elsevier Ltd. All rights reserved.
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