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WIND RESOURCE- AND ENERGY YIELD ASSESSMENTS

(accredited acc. to DIN EN ISO/IEC 17025:2005)

EuroWind provides independent and internationally accredited wind resource- and energy yield assessments as well as area-wide wind potential maps for your wind farm projects in Germany and abroad. The in-house developed, optimized simulation procedure WIEN (accredited acc. to DIN EN ISO/IEC 17025:2005) thereby ensures to comply with the increased demand in the energy yield prognosis for wind turbines at complex sites. Since 1997 our procedure for wind resource- and energy yield assessments is successfully applied for planned on- and offshore wind farms - world-wide.

Therewith EuroWind deliberately renounces the standard model WAsP for wind farm assessments in the midland. Since the program system WIEN is fulfilling demonstrably the advanced requirements of complex onshore- and exposed offshore sites, our procedure is often also used to recheck already existing energy yield assessments.

To simulate the wind con-
ditions that are affected by the orography a three-dimensional numeric flow model is being used and combined with a sta-
tistical dynamical climate model. This complex procedure is also able to assess the climatological wind conditions for sites, where no long term wind measurements had been performed.

Further information about the procedure
Marking of profitable areas by means of the results of our three-dimensional numeric flow modell

Being an active member of the wind expert advisory board of the Bundesverband Windenergie (Federal association of wind energy), wind resource- and energy yield assessments by EuroWind comply with the specifications supplied by the expert advisory board concerning the quality and the scope of wind resource- and energy yield assessments. To our customers this mean approved, bancable results and an increased reliability in planning for the design and financing of wind farms.

Following services are being offered in the range of wind- and energy yield assessments:

Detailed inspection of the site and the environment

Digitalization of the site and assessment of obstacles and the surface roughness

Inclusion of measured wind statistics from several sites

Inclusion of measured production data from neighbouring wind farms

Provision of the site-related wind speed
Provision of the site-related direction-depending wind speeds
Provision of the site-related Weibull parameters
Provision of the site-related vertical wind profiles
Provision of the site-related wind power density

Provision of the site-related wind roses

Provision of the site-related number of full load hours

Provision of the degree of efficiency of the wind farm
Provision of the energy yield of the wind farm

Provision of the losses by the wind farm specific shadowing effects

Optimization of the wind farm configuration

Optimization of hub height
Assessment of energy yield for arbitrary wind turbines
Optimization the type of wind turbine
Wind farm specific assessment of deducted safety margin
Assessment of the surrounding turbulence intensity
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Figure 1: Validation of a site-related wind speed frequency distribution (Weibull-repartition), anlayzed with the help of long-term wind measurements.
 
Figure 2: Example of a site-specific wind rose.
 
Figure 3: Energy yield assessment for a typical wind farm.
To zoom the view, please click on the pictureTo zoom the view, please click on the picture

If we have sparken your interest, please do not hesitate to contact us. We would be pleased to explain you the specialities and possibilities of our range of services and our internationally accredited wind resource- and energy yield assessments in person.

Call +49 221 57 95 60-09 for personal assistence!








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