Data and materials for teaching

Public domain resources DTU Wind Energy

03 November 2016 DTU Wind Energy, Technical University of Denmark

Public domain resources Wind data and atlases

• Global Wind Atlas

• Irena Global Atlas

• European Wind Atlas

Topographical data

• SRTM elevation data

• GlobCover land cover data

• Google Earth

Wind resource and energy yield assesment: status & challenges

• EWEA CREYAP initiative 2011-2015

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03 November 2016 DTU Wind Energy, Technical University of Denmark

Wind atlas methodology • Analysis procedure ( ⇑ )

Observed Wind Climate + elevation map + roughness map + sheltering obstacles

→ Generalised Wind Climate

• Application procedure ( ⇓ ) Generalised Wind Climate

+ elevation map + roughness map + sheltering obstacles

→ Predicted Wind Climate

• Wind farm production Predicted Wind Climate

+ power and thrust curves + wind farm layout

→ Predicted wind farm AEP

Data and materials for teaching

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03 November 2016 DTU Wind Energy, Technical University of Denmark

Global Wind Atlas

Data and materials for teaching 4

03 November 2016 DTU Wind Energy, Technical University of Denmark

Global Wind Atlas

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03 November 2016 DTU Wind Energy, Technical University of Denmark

IRENA Global Atlas for Renewable Energy

Data and materials for teaching 6

03 November 2016 DTU Wind Energy, Technical University of Denmark

IRENA Global Atlas for Renewable Energy

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03 November 2016 DTU Wind Energy, Technical University of Denmark

IRENA Global Atlas for Renewable Energy

Data and materials for teaching 8

03 November 2016 DTU Wind Energy, Technical University of Denmark

European Wind Atlas • European Wind Atlas

– Wind atlas methodology – European wind resources – Determining wind resources – The models and the analyses – Background for WAsP models – Template for many atlases

• Availability – Download from DTU Orbit – Download data from Zenodo – Buy book and disk from DTU – Other atlases and reports

available from DTU Orbit

Data and materials for teaching 9

03 November 2016 DTU Wind Energy, Technical University of Denmark

SRTM elevation data

Data and materials for teaching 10

03 November 2016 DTU Wind Energy, Technical University of Denmark

GlobCover land cover data

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03 November 2016 DTU Wind Energy, Technical University of Denmark

South Africa data

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03 November 2016 DTU Wind Energy, Technical University of Denmark

Google Earth

Data and materials for teaching 13

03 November 2016 DTU Wind Energy, Technical University of Denmark

European Wind Energy Association CREYAP initiative

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One reference climate 14y

One wind farm layout

One terrain specification z0=3 cm RIX<2%

One wind turbine model

157 submissions for 4 cases Resulting AEP and σAEP?

One site wind climate 4y (92%)

03 November 2016 DTU Wind Energy, Technical University of Denmark

CREYAP references Land-based wind farms

• Mortensen, N. G., & Ejsing Jørgensen, H. (2011). Comparison of resource and energy yield assessment procedures. EWEA Wind Resource Assessment Technology Workshop, Brussels, Belgium, 10-11 May.

• Mortensen, N. G., Ejsing Jørgensen, H., Anderson, M., & Hutton, K-A. (2012). Comparison of resource and energy yield assessment procedures. EWEA 2012, Copenhagen, Denmark, 16-19 Apr.

• Mortensen, N. G., & Ejsing Jørgensen, H. (2013). Comparative Resource and Energy Yield Assessment Procedures (CREYAP) Pt. II. EWEA Technology Workshop: Resource Assessment, Dublin, Ireland, 26 Jun.

• Anderson, M., & Mortensen, N.G. (2013). Comparative Resource and Energy Yield Assessment Procedures (CREYAP) Pt. II. AWEA Wind Resource & Project Energy Assessment Seminar, Las Vegas, United States, 10-12 Dec.

• Mortensen, N. G., Ejsing Jørgensen, H. & Nielsen, M. (2014). How well can the industry predict the wind resources? Overview of the results from EWEA CREYAP exercises. Danish Wind Industry Annual Event 2014, Herning, Denmark, 26-27 Mar.

Offshore wind farms

• Mortensen, N. G., Nielsen, M., & Ejsing Jørgensen, H. (2013). First Offshore Comparative Resource and Energy Yield Assessment Procedures (CREYAP). EWEA Offshore 2013, Frankfurt, Germany, 19-21 Nov.

• Mortensen, N. G., & Nielsen, M. (2015). Offshore CREYAP Part 2 – preliminary results. EWEA Offshore Conference 2015, Copenhagen, Denmark, 10-12 Mar.

• Mortensen, N. G., & Nielsen, M. (2015). Offshore CREYAP Part 2 – final results. EWEA Technology Workshop, Helsinki, Finland, 2-3 Jun.

• Mortensen, N. G., Nielsen, M., & Ejsing Jørgensen, H. (2015). EWEA CREYAP benchmark exercises: summary for offshore wind farm cases. Wind Energy Denmark 2015, Herning, Denmark, 22-23 Sep.

Summary

• Mortensen, N. G., Nielsen, M., & Ejsing Jørgensen, H. (2015). Comparison of Resource and Energy Yield Assessment Procedures 2011-2015: What have we learned and what needs to be done? EWEA 2015, Paris, France, 17-20 Nov. Presentation

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03 November 2016 DTU Wind Energy, Technical University of Denmark

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