Time series data for turbine and met mast locations
Boost digital twin precision with detailed wake, shear and turbulence analysis for any project site, worldwide
Whiffle Wind Time series
Leveraging Large-Eddy Simulation (LES), our time series data inherently captures inter-turbine and inter-wind-farm aerodynamic interactions, enabling precise energy predictions for even the most challenging offshore projects.
Proven accuracy
Validated against 170+ met masts, the Whiffle model showed typical errors with a standard deviation of 0.42 m/s, while the NEWA WRF dataset had a higher deviation of 0.78 m/s. In probability terms, the Whiffle LES model is 93.6% certain to have a bias within 0.02 ± 0.78 m/s, while the NEWA-WRF data has a 68.5% chance of falling within that error range.
*Bias comparison based on validation against 170+ met masts; NEWA WRF errors from 125 sites.
Full physics - no assumptions
Model the wind climate under real atmospheric conditions including interactions of wind, pressure, and atmospheric stability, as well as turbine-induced wake and blockage effects, without reliance on non-physical or empirical correction factors.
Quick turn-around
Our LES model is GPU-resident and therefore historically fast. This means you will receive your time series results within 48 hours, depending on project size.
Suitable for large offshore sites
Supports large offshore scenarios with domains up to 128 x 128 km. Run simulations for multiple wind farms to accurately quantify internal and external aerodynamic losses, including wake and blockage effects.
Technology trusted by industry leaders
Run simulations for your site, in just a few clicks.
Depending on project size, results are delivered within 48 hours.
Step 1: Provide
Input your project details, turbines and met masts, and draw the LES area (same as WRG area) in our user interface.
Step 2: Submit
Review the output settings, the simulation setup and price, then submit for processing.
Step 3: Retrieve
Explore the results dashboard with wind, power and turbulence statistics.
Start your free trial today and get €550 worth of credits that give you access to free LES timeseries data, for your offshore site of choice.
Model wind farm performance under real weather conditions
Data points at 10-minute intervals
- Outputs include wind speed, direction, shear, turbulence, and other variables like humidity, temperature and Richardson number.
Gridded time series
- Optional gridded time series for up to three horizontal planes of the entire LES domain offer unmatched depth for modelling wind conditions across your project site.
Clarity in pricing: Pay-Per-Run
Whiffle Wind Time series is priced on a pay-per-run basis and depends mainly on the size of the area to simulate, and to a lesser extent on the complexity of your site. You’ll always see the exact price before submitting a run, ensuring transparency and predictability for your budgeting.
| Domain size | Price estimate for 1 Statistics run |
|---|---|
| Small (12.8 km x 12.8 km) | € 940 |
| Medium (51.2 km x 51.2 km) | € 3760 |
| Large (128 km x 128 km) | € 9399 |
For larger or unique projects, we offer tailored consultancy services. Please contact us for more information.
Do you need WRGs for your projects?
Whiffle Wind Statistics delivers high-resolution wind and power statistics (including WRG files) derived from high-resolution, atmospheric Large Eddy Simulation (LES). This approach ensures accurate, long-term representative data that seamlessly integrates into industry-standard workflows.
Whiffle Wind is powered by the
Whiffle LES model
Whiffle Wind leverages Whiffle’s physics-based, LES technology to accurately simulate real-weather conditions and capture fine-scale atmospheric dynamics. This ensures reliable wind statistics, even in the most complex onshore environments.
Frequently Asked Questions
What is LES?
Large Eddy Simulation (LES) is a Computational Fluid Dynamics (CFD) model for resolving turbulence and is gaining increased attention in the wind energy sector. The benefits of LES to model the wake and global blockage effects of wind farms lie in the fact it can model the interaction between wind farms and the atmospheric boundary layer (ABL). A recent overview on various aspects of the atmospheric flow through wind farms is presented in Stevens and Meneveau’s 2017 paper: Flow Structure and Turbulence in Wind Farms, volume 49.
Are wakes and blockage included?
Yes. LES physically models the phenomena of wind, pressure and atmospheric stability and their interaction with wind turbine-induced wake and blockage effects. Therefore, we don’t have to rely on non-physical/empirical correction factors for example blockage effects and deep-array effects
Are external wind farm effects included?
By default, external wind farms are not included in the simulation. However, external wind farms can be added to the simulation; then their effects on the target wind farm will be modelled and included. If you wish to have additional analysis of external effects, you may want to consider making use of Whiffle’s Consulting service. For more information, feel free to send an email to info@whiffle.nl.
In Whiffle Wind, can I run multiple simulations in parallel?
Yes, Whiffle Wind allows you to run multiple configurations and scenarios efficiently, providing fast results for different project designs or turbine layouts.
Does Whiffle Wind account for forest canopy effects?
Yes, Whiffle’s LES model accurately captures forest canopy impacts, including height and density, making it ideal for onshore projects in forested areas.
What is the uncertainty of Whiffle Wind’s AEP prediction?
Using SCADA data of wind farms, it is possible to make ex-post assessments of Annual Energy Production (AEP) predictions. Based on a small (N ≤ 10) sample of wind farms that Whiffle has modelled, we estimate the mean error of AEP predictions are around 2% (Whiffle’s model tends to underpredict AEP) with a standard deviation of 4%. These numbers are based on raw output from Whiffle Wind without any long-term correction or correction of mean wind speed biases. Therefore, this number represents not only errors in aerodynamic losses, but also errors in the mean wind speed.
What is the largest domain that can be simulated?
Currently a 90 km x 90 km domain is the largest. However, we’re working hard to make this even larger! If you need a larger domain, certainly feel free to contact Whiffle’s Consulting service via info@whiffle.nl.
What is the resolution and why?
The default resolution of our LES is 100 m x 100 m in the horizontal plane, 25 m vertically close to the ground. Our LES has been extensively validated on a wide range of sites (onshore, offshore, complex terrain) and wind farms for this resolution and provides the best trade-off between cost and accuracy.
If you require other resolutions, please consider Whiffle’s Consultancy service which can be contacted via info@whiffle.nl.
How long will it take for the simulation to run?
This depends on the domain size and length of the simulation, as well as how many other simulations have been requested and are in the queue. As a rough guideline, generally a one-day simulation should be available the next day or sooner, and generally a full year simulation should be available the next week or sooner.
How do I get started with Whiffle Wind?
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.
