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Topical Expert Meetings

The IEA Wind Task 11 gathers experts to present the latest results on narrow topics and discuss solutions in a small group setting.

The Topical Expert Meetings (TEM) organized in the frame of Task 11 play an important role since they aim to begin the conversation about new technical and scientific developments and information needs. Task 11 is also an important catalyst for starting new research tasks within IEA Wind. It is frequent that after a TEM, an ad hoc working group will write a proposal to begin a new research task. Most research activities of IEA Wind began with a TEM.

Four TEMs per year are organized under Task 11. The Operating Agent (OA) solicits topics for future meetings that are presented and validated during one of the biannual ExCo meetings. A host country and organization are identified and an expert writes an introductory note that is sent out with the meeting invitation. The invitation process is coordinated by Task 11 OA. Task 11 participants as well as the host select institutions and experts that will receive an invitation to the meeting. All attendees are expected to give presentations that contribute to the meetings.

The OA moderates the meeting and assembles the proceedings. During one year, the proceedings are only available for Task 11 participating countries. After that, they are posted in the public online library. It is the responsibility of the participants to distribute the information generated through the Task to the research centers, universities, manufacturers, promoters, and all the institutions participating in the development of the wind energy sector in their countries.

Upcoming TEMs

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IEA Wind TEM#109 – Grand Challenges in Wind Energy Science

Paul Veers and Katherines Dykes – main facilitators of the TEM – recap the Grand Challenges event that gathered around a hundred of the greatest minds in #windenergy technology from across the globe. The focus was on interdisciplinary collaboration to create a more holistic approach to the design and deployment of wind farms, with breakout sessions coupling e.g. social scientists with wind turbine designers, atmospheric sciences with environmental scientists, and so on.

Latest TEMs

TEM#112

OCTOBER 2024

Impact of Extreme Weather on Offshore Wind Energy System

TEM112 was hosted by the National Renewable Enery Laboratry (NREL) and took place in Rutgers University, New Brunswick, NJ, USA on October 28-29, 2024. During 1,5 days, more than 30 international experts on extreme events studies gathered to solicit state-of-the-art research on tropical cyclones and extratropical extreme conditions that may impact wind turbine reliability and life expectancy globally. Facilitate the exchange of recent research findings, best practices, and innovative solutions. Identify Research Gaps: Highlight areas where further research is needed. Future Trends: Discuss emerging trends and future challenges.

A new Task proposal was discussed with focus on extreme events : tropical cyclones / extratropical extreme conditions

Potential establishment of a long-term collaboration.

TEM #111

APRIL 2024

Reanalyses for Wind Energy

TEM#111 was hosted by DTU Lyngby (Denmark) and took place in Lyngby, Denmark, on April 25th-26th, 2024.

Despite the vast adoption and the routine use of reanalysis datasets for Wind Energy purposes, the communication and knowledge sharing between reanalysis providers and Wind Energy scientists/practitioners remains sporadic and uncoordinated. This current situation leads to several missed opportunities and poses risks to the Wind Energy projects.

TEM #113

APRIL 2024

Net Zero Electricity System Studies

TEM#113 was hosted by SEAI and held in Dublin, Ireland, on April 8 -9, 2024. The meeting aimed to identify current and foreseeable future challenges and outline observed best practices, potentially in categories aligned with specific aspects of net zero electricity system design. Net zero electricity system design requires expertise well beyond that of the electricity (power) system itself, such that a multi-disciplinary approach must be adopted to ensure robust and comprehensive analysis and decision making. The meeting proceedings should present a draft net zero studies best practices document, outline a plan for dissemination, and specify potential follow up activities such as further, more in-depth work on key aspects of the synthesis and regular updates to the document, as well as a plan for future supports and coordination.

TEM #110

NOVEMBER 2023

Wind Energy Instrumentation Development

TEM#110 was held in person in Broomfield, Colorado USA, on November 2, 2023, in conjunction with the NAWEA/WindTech 2023 Conference at the Omni Interlocken Hotel, and convened by Tommy Herges and David Maniaci from Sandia National Laboratories, and Nicholas Hamilton and Patrick Moriarty from the National Renewable Energy Laboratory. 30 experts from 7 countries gathered to discuss instrumentation gaps, opportunities challenges and barriers in breakout groups and in plenary sessions. As an outcome, the proceedings of the meeting will be published, including a Roadmap for instrumentation development.

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Previous Topical Expert Meetings

# Title Year Location Documents
113 Net Zero Electricity System Studies 2024 Dublin, Ireland Proceedings
111 Reanalyses for Wind Energy 2024 Lyngby, Denmark Proceedings
110 Wind Energy Instrumentation Development 2023 Broomfield, Colorado
109 Grand Challenges in Wind Energy 2023 Boulder, Colorado Proceedings
108 Technology Transfer 2023 Online
106 Hydrogen for 100% Renewable Energy Systems 2023 Boulder, Colorado and online Proceedings
105 Harmonised LCA for Wind Energy 2023 Wädenswil, Switzerland Proceedings
103 Offshore Wind Consenting 2022 Online Proceedings
102 Airborne Wind Energy 2020 Online Proceedings
101 Hybrid Power Plants Challenges and Opportunities 2020 Online Proceedings
100 Aviation System Cohabitation 2020 Online Proceedings
99 Floating Offshore Wind Arrays 2020 Online Proceedings
98 Blade Erosion 2020 Roskilde, Denmark Proceedings
97 Wind Farm Control 2019 Amsterdam, the Netherlands
96 Wind Plant Decommissioning, Repowering and Recycling 2019 Rome, Italy Proceedings
95 Reliability/Availability of Electrical Infrastructure 2019 Blyth, United Kingdom Proceedings
94 Ultra-Long Component Testing 2019 Boulder, CO, USA Proceedings
93 Wind Turbine Lifetime Extension 2018 Roskilde, Denmark Proceedings
92 Wind Energy and Digitalization 2018 Roskilde, Denmark Proceedings
91 Durability and Damage Tolerant Design of Wind Turbine Blades 2018 Bozeman, MT, USA Proceedings
90 Strategic Dialog for Community and Distributed Wind 2018 Copenhagen, Denmark Proceedings
89 Grand Vision for Wind Energy 2017 Golden, USA Proceedings
88 Three-Way V&V between Data, High-Fidelity Models, and Engineering Models 2017 Glasgow, Scotland Proceedings
87 Smart Structures for Large Wind Turbine Rotor Blades 2017 Roskilde, Denmark Proceedings
86 Downwind Turbines 2016 Tokyo, Japan
85 Wind Power Plant Financial Risk and Uncertainty (Onshore and Offshore) 2016 Utrecht, Netherlands
84 Aerodynamics 2016 Boulder, USA Proceedings
83 Mitigation of Wind Turbine Impacts on Radar 2015 Wachtberg, Germany Proceedings
82 Uncertainty Quantification of Wind Farm Flow Models 2015 Gotland, Sweden Proceedings
81 Noise Reduction Technologies 2015 Meeting Cancelled
80 Wind Energy Systems Engineering: Integrated RD&D 2015 Broomfield, USA Proceedings
79 Meso-scale to Micro-scale Model Coupling 2014 Meeting Cancelled
78 Field Test Instrumentation and Measurement Best Practices 2014 Lubbock, USA Proceedings
77 Best Practices for Wind Turbine and Plant End of Life 2014 Meeting Cancelled
76 Floating Offshore Wind Plants 2014 Canary Islands, Spain Proceedings
75 Wind Energy in Complex Terrain 2013 Stuttgart, Germany Proceedings
74 2013 Meeting Cancelled
73 2013 Meeting Cancelled
72 Forecasting 2013 Milan, Italy Proceedings
71 Wind Farm Control Methods 2012 Solna, Sweden Proceedings
70 Social Acceptance of Wind Energy 2012 Biel, Switzerland Proceedings
69 2012 Meeting Cancelled
68 Advances in Wind Turbine and Component Testing 2012 Aachen, Germany Proceedings
67 Long Term R&D Needs for Wind Power 2011 Kassel, Germany Proceedings
66 Offshore Foundation Technology and Knowledge for Shallow, Middle, and Deep Water 2011 Esbjerg, Denmark Proceedings
65 International Statistical Analysis on Wind Turbine Failures 2011 Brussels, Belgium Proceedings
64 Wind Conditions for Wind Turbine Design 2010 Tokyo, Japan Proceedings
63 High Reliability Solutions & Innovative Concepts for Offshore Wind Turbines 2010 Trondheim, Norway Proceedings
62 Micrometeorology inside Wind Farms and Wakes between Wind Farms 2010 Navarra, Spain Proceedings
61 Wind Farms in Complex Terrain 2010 Pohang, South Korea Proceedings
60 Radar, Radio Links, and Wind Turbines 2009 Amsterdam, Netherlands Proceedings
59 Remote Wind Speed Sensing Techniques using SODAR and LIDAR 2009 Boulder, USA Proceedings
58 Sound Propagation Models and Validation 2009 Stockholm, Sweden Proceedings
57 Wind Turbine Drivetrain Dynamics and Reliability 2008 Jyvaskyla, Finland Proceedings
56 The Application of Smart Structures for Large Wind Turbine Rotor Blades 2008 Albuquerque, USA Proceedings
55 Long-Term Research Needs In the Frame of the IEA Wind Co-operative Agreement 2007 Berlin, Germany Proceedings
54 Social Acceptance of Wind Energy Projects 2007 Luzerne, Switzerland Proceedings
53 Radar, Radio and Wind Turbines 2007 Oxford, UK Proceedings
52 Wind and Wave Measurements at Offshore Locations 2007 Berlin, Germany Proceedings
51 State of the Art of Remote Wind Speed Sensing Techniques Using SODAR,
LIDAR, and Satellites		 2007 Roskilde, Denmark Proceedings
50 The Application of SMART Structures for Large Wind Turbine Rotor Blades 2006 Delft, Netherlands Proceedings
49 Challenges of Introducing Reliable Small Wind Turbines 2006 Stockholm, Sweden Proceedings
48 Operation and Maintenance of Wind Power Stations 2006 Madrid, Spain Proceedings
47 Methodologies for Estimation of Cost of Wind Energy and the Methodologies to Estimate the Impact of Research on the Cost 2005 Paris, France Proceedings
46 Obstacle Marking of Wind Turbines 2005 Stockholm, Sweden Proceedings
45 Radar, Radio Links and Wind Turbines 2005 London, UK Proceedings
44 System Integration of Wind Turbines 2004 Dublin, Ireland Proceedings
43 Critical Issues Regarding Offshore Technology and Deployment 2004 Fredericia, Denmark Proceedings
42 Acceptability in Implementation of Wind Turbines in Social Landscapes 2004 Stockholm, Sweden Proceedings
41 Integration of Wind and Hydropower Systems 2003 Portland, USA Proceedings
40 Environmental issues of offshore wind farms 2002 Husum, Germany Proceedings
39 Power Performance of Small Wind Turbines not connected to the Grid 2002 Soria, Spain Proceedings
38 Material Recycling and Life Cycle Analysis (LCA) 2002 Risø, Denmark Proceedings
37 Structural Reliability of Wind Turbines 2001 Risø, Denmark Proceedings
36 Large Scale Integration 2001 Hexham, UK Proceedings
35 Long term R&D needs for wind energy for the time frame 2000 – 2020 2001 Petten, Netherlands Proceedings
34 Noise Immission 2000 Stockholm, Sweden Proceedings
33 Wind Forecasting Techniques 2000 Boulder, USA Proceedings
32 Wind Energy Under Cold Climates 1999 Helsinki, Finland Proceedings
31 State of the Art on Wind Resource Estimation 1998 Lyngby, Denmark Proceedings
30 Power Performance Assessments 1997 Athens, Greece Proceedings
29 Aero-acoustic Noise of Wind Turbines 1997 Milan, Italy Proceedings
28 State of the art of aeroelastic codes for wind turbines 1996 Lyngby, Denmark Proceedings
27 Current R&D needs in wind energy technology 1995 Utrecht, Netherlands Proceedings
26 Lightning protection of wind turbine generator systems and EMC problems in the associated control systems 1994 Milan, Italy Proceedings
25 Increased loads in wind power stations (wind farms) 1993 Gothenburg, Sweden Proceedings
24 Wind conditions for wind turbine design 1993 Risø, Denmark Proceedings
23 Fatigue of wind turbines, full-scale blade testing and non-destructive testing 1992 Golden, USA Proceedings
22 Effects of environment on wind turbine safety and performance 1992 Wilhelmshaven, Germany Proceedings
21 Electrical systems for wind turbines with constant or variable speed 1991 Gothenburg, Sweden Proceedings
20 Wind characteristics of relevance for wind turbine design 1991 Stockholm, Sweden Proceedings
19 Wind turbine control systems-strategy and problems 1990 London, UK Proceedings
18 Noise generating mechanisms for wind turbines 1989 Petten, Netherlands Proceedings
17 Integrating wind turbines into utility power systems 1989 Herndon, USA Proceedings
16 Requirements for safety systems for LS WECS 1988 Rome, Italy Proceedings
15 General planning and environmental issues of LS WECS installations 1987 Hamburg, Germany
14 Modeling of atmospheric turbulence for use in WECS rotor loading calculations 1985 Stockholm, Sweden Proceedings
13 Economic aspects of wind turbines 1985 Petten, Netherlands Proceedings
12 Aerodynamic calculation methods for WECS 1984 Copenhagen, Denmark Proceedings
11 General environmental aspects 1984 Munich, Germany Proceedings
10 Utility and operational experience from major wind installations 1983 Palo Alto, USA Proceedings
9 Structural design criteria for LS WECS 1983 Greenford, UK Proceedings
8 Safety assurance and quality control of LS WECS during assembly, erection and acceptance testing 1982 Stockholm, Sweden Proceedings
7 Costing of wind turbines 1981 Copenhagen, Denmark Proceedings
6 Reliability and maintenance problems of LS WECS 1981 Aalborg, Denmark
5 Environmental and safety aspects of the present LS WECS 1980 Munich, Germany Proceedings
4 Rotor blade technology with special respect to fatigue design 1980 Stockholm, Sweden Proceedings
3 Data acquisition and analysis for LS WECS 1979 Blowing Rock, USA Proceedings
2 Control of LS WECS and adaption of wind electricity to the network 1979 Copenhagen, Denmark Proceedings
1 Seminar on structural dynamics 1978 Munich, Germany Proceedings

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