Task 26 Navigation

Task 26 - Results

Forecasting Wind Energy Costs
and Cost Drivers: Views of the
World’s Leading Experts

• Results of an expert elicitation survey of 163 of the world’s foremost wind experts, aimed at better understanding future costs and technology advancement possibilities.

Download the report

Download the brief summary presentation

Download the full summary presentation

Survey background information, supplementary material, outreach material during the survey and published documents.

Offshore Wind Farm Baseline Report

• Description of baseline offshore wind farm characteristics intended to provide a common starting point for country comparisons and sensitivity analysis on key offshore wind cost and value drivers.

• Download the report: Smart, G., A. Smith, E. Warner, I.B. Sperstad, B. Prinsen, R. Lacal-Arántegui. 2016. IEA Wind Task 26 – Offshore Wind Farm Baseline Documentation. IEA Wind.

Enhancement and update to prior work exploring land-based
wind cost of energy along with associated revenue and policy
mechanisms in various countries.

Wind Technology, Cost, and Performance Trends in Denmark, Germany,
Ireland, Norway, the European Union, and the United States: 2007-2012

Develop transparent methodology for estimating cost of wind energy and identify major cost drivers
Summary report:  Schwabe, P.; Lensink, S.; Hand, M. (2011). IEA Wind Task 26 - Multi-national Case Study of the Financial Cost of Wind Energy; Work Package 1 Final Report. 122 pp.; NREL Report No. TP-6A20-48155

Country Cash Flow Models
Denmark Germany Netherlands Spain
Sweden Switzerland United States  
Excel Worksheet and Blank LCOE Model Excel File
Excel Worksheet

Blank LCOE model  (Excel)


Work Package #2 -
Estimate future cost and performance of land-based and offshore wind projects

Lantz, E.; Wiser, R.; Hand, M. (2012). IEA Wind Task 26 - Work package, 2 The Past and Future Cost of Wind Energy; 137 pp.; NREL Report No. NREL/TP-6A20-53510

Work Package #3 -
Survey methods for evaluating the value of wind energy

Arantegui, R.; Hand, M.; Radu, D.; Magagna, D. (2013). A system-based approach to assessing the value of wind for society; 48 pp.; JRC Science and Policy Reports No. EUR26740 EN