IEA Wind TCP Task 26: Offshore Wind Energy International Comparative Analysis

Tyler Stehly, Miriam Noonan, David Mora, Lena Kitzing, Gavin Smart, Volker Berkhout, Yuka Kikuchi

Research output: NRELTechnical Report


Task 26 'Cost of Energy' has been running within the International Energy Agency (IEA) Wind Technology Collaboration Programme since 2009. In 2015, task participants produced IEA Wind Task 26: Offshore Wind Farm Baseline Documentation (Smart et al. 2016), published in 2016 to document the technical and cost assumptions and levelized cost of energy (LCOE) results for a generic, geographically nonspecific, baseline offshore wind farm being commissioned in 2012-2014. This report has been prepared to document changes to offshore wind costs and technology since the baseline and as an analysis of the drivers of LCOE between countries. This report examines the physical site characteristics, technology choices, and regulatory context driving LCOE in key countries for offshore wind farms being commissioned in 2017-2018.
Original languageAmerican English
Number of pages71
StatePublished - 2020

Bibliographical note

Originally published October 2018; errata added January 2020

NREL Publication Number

  • NREL/TP-6A20-71558


  • LCOE
  • levelized cost of energy
  • offshore wind


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