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WAsP is the industry-standard PC software for wind resource assessment, siting and energy yield calculations for wind turbines and wind farms. WAsP is used for sites located in all kinds of terrain all over the world and includes models and tools for every step in the process from wind data analysis to calculation of the energy yield for a wind farm. More than 6000 WAsP licenses have been sold in about 125 countries.
Typical WAsP applications:
- Calculation of energy yield for single wind turbines and wind farms
- Calculation of wind farm efficiency
- Wind resource and turbulence mapping over selected areas
- Siting of wind turbines and wind farms
- Calculation of wind conditions for IEC site assessment, e.g. mean wind speed, wind flow inclination wind shear and ambient turbulence for single wind turbines (complete assessment also requires WAsP Engineering)
WAsP contains several physical models to describe the wind climate and wind flow over different terrains and close to sheltering obstacles. Also, WAsP also contains a wake model for wind farm wake effects and a stability model, which uses stability inputs derived from ERA5 to account for local atmospheric stability conditions anywhere in the world. For horizontal and vertical extrapolation, WAsP uses the built-in linear IBZ model, which will perform adequately for flat to moderately complex terrain. If the terrain is very complex with many steep slopes, WAsP includes easy access to an external state-of-the-art CFD model too.
The data used by WAsP for wind resource and energy yield calculations come from different sources. The wind-climatological input may come from wind measurements at a nearby meteorological mast or may be derived from mesoscale modelling results. The elevation description can be derived directly from space shuttle elevation data or other data sets, while the land cover classification and nearby sheltering obstacles can be extracted from topographical maps, databases, or satellite imagery (Google Earth).
WAsP comes complete with freeware utility tools for wind data analysis, digital map construction and editing, power and thrust curve editing, as well as for IEC 61400-1 site assessment and for IEC 61400-12-1 power performance measurements.
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Facts about WAsP
- Industry standard for over 30 years
- More than 6000 users worldwide
- More than 250 certified WAsP users
- Developed by the Danish Technical University, Wind Energy Dept. (formerly Risø National Laboratory)
- Under continuous development, by scientists at the forefront of wind energy research
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