Research Results and Reports

The IEA Wind TCP regularly publishes assorted reports, articles, and Recommended Practices based on the research activities of the various tasks. These publications help to improve development and deployment within the wind energy sector; for example, many of the IEA Wind TCP Recommended Practices have served as the basis for both national and international standards.

Here, you will find our most recent publications. Please use the search bar at the top of this page to find older publications.

New Publications

		IEA Wind TCP Results of IEA Wind TCP Workshop on a Grand Vision for Wind Energy Technology April 2019	Task 36 Forecasting Task 36 Results of IEA Wind TCP Task 36 Forecasting for Wind Energy, 2016-2018 August 2019 Final results from the task
Task 41 Distributed Wind Task 41, Task Overview July 2019 Task overview of task 41	Task 27 Small Wind Task 27 Small Wind Turbine Technical Report September 2018 This technical report provides a series of recommendations based on Task 27 research results that should be considered in future standards-making activities for IEC 61400-2.	Task 26 Cost of Wind Task 26 Final Technical Report, Phase Three April 2019 This report builds from previous analyses conducted since the inception of Task 26 in 2009, exploring differences in the cost of wind energy among participating countries.	Task 25 Wind Integration Task 25 Final Summary Report, Phase Four (2015-2017) December 2018 This report summarizes recent findings on wind integration from the 17 countries and Wind Europe participating in the International Energy Agency (IEA) Wind collaboration research Task 25 from 2015–2017. Both real experiences and studies are reported.
Task 26 Cost of Wind Energy Offshore Wind Energy International Comparative Analysis October 2018 A report examining key factors driving the levelized cost of energy (LCOE) for offshore wind farms being commissioned in 2017 and 2018 across Netherlands, UK, Belgium, Denmark, USA, Germany and Japan.	Task 27 Small Wind Turbines Compendium of IEA Wind TCP Task 27 Case Studies October 2018 This document is meant to highlight and summarize work done from the participating countries about turbulence and its impact on small wind turbine production.	IEA Wind TCP Recommended Practice Recommended Practice 19: Micro-Siting Small Wing Turbines For Highly Turbulent Sites October 2018 This document strives to collect lessons learned from extensive data collection and modeling activities and present results of research and analysis efforts in the area of micro-siting small wind turbines for highly turbulent sites.	Task 39 Quiet Wind Turbine Technology Task 39 Fact Sheet: Amplitude Modulation in Wind Turbine Noise October 2018 This fact sheet presents the current state of knowledge around wind turbine noise and discusses control measures and mitigation.
Task 19 Wind Energy in Cold Climates Available Technologies for Wind Energy in Cold Climates, 2nd Edition October 2018 The Available Technologies report consists of a gigantic collection of references to help find potential solutions to some of the most demanding challenges in cold climate wind energy.	Task 19 Wind Energy in Cold Climates International Recommendations for Ice Fall and Ice Throw Risk Assessments October 2018 The purpose of this report is to provide the best available recommendations for the assessment of ice fall and ice throw from wind turbines with the aim of reducing the uncertainties involved in such assessments.	IEA Wind TCP 2017 Annual Report IEA Wind TCP 2017 Annual Report September 2018 Highlights the activities and accomplishments of the 24 countries and 16 active Tasks in the IEA Wind TCP.	IEA Wind TCP Recommended Practice Recommended Practice 16: Wind/PV Integration Studies, Ed. 2 June 2018 This is the first update, adding solar photovoltaics (PV) and distribution grid issues to the previous edition on Recommended Practices for Wind Integration Studies.
Task 32 Lidar IEA Wind Task 32: Wind Lidar Identifying and Mitigating Barriers to the Adoption of Wind Lidar March 2018 IEA Wind Task 32 from industry and academia have been working on getting lidar into everyday use for wind energy applications. Find out more about what we’ve achieved recently and what’s still left to be done, particularly in the world of research, in this paper.	IEA Wind TCP Newsletter IEA Wind TCP January 2018 Newsletter January 2018 The IEA Wind TCP Newsletter provides an update on our members' research and market activities, as well as news about our current RD&D Tasks, new reports and upcoming events.	Task 26 Cost of Wind Energy Wind Project Statistics Data Viewer November 2017 The IEA Wind TCP Task 26 Data Viewer is an interactive tool to explore wind project statistics.	Task 35 Ground Based Testing Task 35 Final Management Report October 2017 A report summarizing the activities of Task 35; Subtask Nacelle focused on the development of test procedures for Wind Turbine Generator (WTG) nacelles and Subtask Blade evaluated and compared blade test methods.
Task 26 Cost of Wind Energy Impacts of Wind Turbine Technology on the System Value of Wind in Europe October 2017 IEA Wind TCP Task 26 Technical Report explores the impact of larger rotors and taller towers on the system value of wind energy	IEA Wind TCP Recommended Practice RP 18: Floating Lidar Systems (FLS) September 2017 New Recommended Practice for obtaining the best quality FLS data for use in the wind energy resource assessment process, developed by expert practitioners and industry stakeholders.	IEA Wind TCP Recommended Practice RP17: Wind Farm Reliability Data May 2017 Recommended Practice that aims to improve the accuracy, consistency, integrity, and value of reliability data for all stakeholders across wind asset investment, development, operation and insurance. View the RP in Chinese here, and also see the RP 17 Factsheet	IEA Wind TCP Recommended Practice RP 13 Ed. 2: Wind Energy Projects in Cold Climates February 2017 An update to the 2012 Recommended Practice from Task 19, This document addresses many special issues that must be considered over the lifetime of a cold climate wind energy project.
Task 34 WREN Adaptive Management White Paper November 2016 Explores the use of adaptive management for wind energy development and suggests the need for a common understanding, definition, and framework for adaptive management and its application to wind energy.	IEA Wind TCP IEA Wind Offshore Research Poster October 2016 IEA Wind participants collaboratively publish results and promote ongoing work to reduce the risk and lower the cost of offshore wind deployment. This poster was presented at the AWEA Offshore Wind Conference, 2016.	Task 26 Cost of Wind Energy Expert elicitation survey on future wind energy costs (in Nature Energy) September 2016 Summarizes a global survey of 163 wind energy experts to gain insight into the possible magnitude of future wind energy cost reductions, the sources of those reductions, and the enabling conditions needed to realize continued innovation and lower costs.	Task 26 Cost of Wind Energy Offshore Wind Farm Baseline Report June 2016 Provides a common starting point for country comparisons and sensitivity analysis on key offshore wind cost and value drivers.

		IEA Wind TCP Results of IEA Wind TCP Workshop on a Grand Vision for Wind Energy Technology	Task 36 Forecasting Task 36 Results of IEA Wind TCP Task 36 Forecasting for Wind Energy, 2016-2018 August 2019 Final results from the task
Task 41 Distributed Wind Task 41, Task Overview July 2019 Task overview of task 41	Task 27 Small Wind Task 27 Small Wind Turbine Technical Report September 2018 This technical report provides a series of recommendations based on Task 27 research results that should be considered in future standards-making activities for IEC 61400-2.	Task 26 Cost of Wind Task 26 Final Technical Report, Phase Three April 2019 This report builds from previous analyses conducted since the inception of Task 26 in 2009, exploring differences in the cost of wind energy among participating countries.	Task 25 Wind Integration Task 25 Final Summary Report, Phase Four (2015-2017) December 2018 This report summarizes recent findings on wind integration from the 17 countries and Wind Europe participating in the International Energy Agency (IEA) Wind collaboration research Task 25 from 2015–2017. Both real experiences and studies are reported.
Task 26 Cost of Wind Energy Offshore Wind Energy International Comparative Analysis October 2018 A report examining key factors driving the levelized cost of energy (LCOE) for offshore wind farms being commissioned in 2017 and 2018 across Netherlands, UK, Belgium, Denmark, USA, Germany and Japan.	Task 27 Small Wind Turbines Compendium of IEA Wind TCP Task 27 Case Studies October 2018 This document is meant to highlight and summarize work done from the participating countries about turbulence and its impact on small wind turbine production.	IEA Wind TCP Recommended Practice Recommended Practice 19: Micro-Siting Small Wing Turbines For Highly Turbulent Sites October 2018 This document strives to collect lessons learned from extensive data collection and modeling activities and present results of research and analysis efforts in the area of micro-siting small wind turbines for highly turbulent sites.	Task 39 Quiet Wind Turbine Technology Task 39 Fact Sheet: Amplitude Modulation in Wind Turbine Noise October 2018 This fact sheet presents the current state of knowledge around wind turbine noise and discusses control measures and mitigation.
Task 19 Wind Energy in Cold Climates Available Technologies for Wind Energy in Cold Climates, 2nd Edition October 2018 The Available Technologies report consists of a gigantic collection of references to help find potential solutions to some of the most demanding challenges in cold climate wind energy.	Task 19 Wind Energy in Cold Climates International Recommendations for Ice Fall and Ice Throw Risk Assessments October 2018 The purpose of this report is to provide the best available recommendations for the assessment of ice fall and ice throw from wind turbines with the aim of reducing the uncertainties involved in such assessments.	IEA Wind TCP 2017 Annual Report IEA Wind TCP 2017 Annual Report September 2018 Highlights the activities and accomplishments of the 24 countries and 16 active Tasks in the IEA Wind TCP.	IEA Wind TCP Recommended Practice Recommended Practice 16: Wind/PV Integration Studies, Ed. 2 June 2018 This is the first update, adding solar photovoltaics (PV) and distribution grid issues to the previous edition on Recommended Practices for Wind Integration Studies.
Task 32 Lidar IEA Wind Task 32: Wind Lidar Identifying and Mitigating Barriers to the Adoption of Wind Lidar March 2018 IEA Wind Task 32 from industry and academia have been working on getting lidar into everyday use for wind energy applications. Find out more about what we’ve achieved recently and what’s still left to be done, particularly in the world of research, in this paper.	IEA Wind TCP Newsletter IEA Wind TCP January 2018 Newsletter January 2018 The IEA Wind TCP Newsletter provides an update on our members' research and market activities, as well as news about our current RD&D Tasks, new reports and upcoming events.	Task 26 Cost of Wind Energy Wind Project Statistics Data Viewer November 2017 The IEA Wind TCP Task 26 Data Viewer is an interactive tool to explore wind project statistics.	Task 35 Ground Based Testing Task 35 Final Management Report October 2017 A report summarizing the activities of Task 35; Subtask Nacelle focused on the development of test procedures for Wind Turbine Generator (WTG) nacelles and Subtask Blade evaluated and compared blade test methods.
Task 26 Cost of Wind Energy Impacts of Wind Turbine Technology on the System Value of Wind in Europe October 2017 IEA Wind TCP Task 26 Technical Report explores the impact of larger rotors and taller towers on the system value of wind energy	IEA Wind TCP Recommended Practice RP 18: Floating Lidar Systems (FLS) September 2017 New Recommended Practice for obtaining the best quality FLS data for use in the wind energy resource assessment process, developed by expert practitioners and industry stakeholders.	IEA Wind TCP Recommended Practice RP17: Wind Farm Reliability Data May 2017 Recommended Practice that aims to improve the accuracy, consistency, integrity, and value of reliability data for all stakeholders across wind asset investment, development, operation and insurance. View the RP in Chinese here, and also see the RP 17 Factsheet	IEA Wind TCP Recommended Practice RP 13 Ed. 2: Wind Energy Projects in Cold Climates February 2017 An update to the 2012 Recommended Practice from Task 19, This document addresses many special issues that must be considered over the lifetime of a cold climate wind energy project.
Task 34 WREN Adaptive Management White Paper November 2016 Explores the use of adaptive management for wind energy development and suggests the need for a common understanding, definition, and framework for adaptive management and its application to wind energy.	IEA Wind TCP IEA Wind Offshore Research Poster October 2016 IEA Wind participants collaboratively publish results and promote ongoing work to reduce the risk and lower the cost of offshore wind deployment. This poster was presented at the AWEA Offshore Wind Conference, 2016.	Task 26 Cost of Wind Energy Expert elicitation survey on future wind energy costs (in Nature Energy) September 2016 Summarizes a global survey of 163 wind energy experts to gain insight into the possible magnitude of future wind energy cost reductions, the sources of those reductions, and the enabling conditions needed to realize continued innovation and lower costs.	Task 26 Cost of Wind Energy Offshore Wind Farm Baseline Report June 2016 Provides a common starting point for country comparisons and sensitivity analysis on key offshore wind cost and value drivers.

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IEA Wind TCP Annual Reports

The IEA Wind TCP has been researching and developing wind related technologies since 1977. The early pioneers of wind worked in relative obscurity envisioning a bright future for wind energy. Over several decades, larger and more efficient turbines now generate huge amounts of renewable energy.

Our Annual Reports highlight the work of the current research Tasks and provide an extensive summary of the how member countries benefit from wind energy, how much wind power generation each country has deployed, and how policies and research programs will increase wind power’s contribution to the world energy supply.