Product Features
Hour-Ahead Forecasts
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Update interval depends on frequency of observations
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1 hour granularity
Day-Ahead Forecasts
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Updates 4 times per day
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84 hour projection
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1 hour granularity
Week-Ahead Forecasts
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Updates once daily
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168 hour projection
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1 hour granularity
Verification Tools
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Hourly and Daily Time Series Verification
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Hourly Horizon Time Verification
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Wind Error Histogram
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Wind Recent Performance
Aggregator Tool
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Click specific projects and sub-regions 'on or off' and download the adjusted forecast as a data file. Learn more.
Rewind Tool
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See how forecasts are evolving over time by comparing the current forecast with previous predictions.
Forecasts include hourly values for aggregate power in megawatts, generating capacity by percentage, and aggregated capacity-weighted wind speed.
Optional Features
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Where aggregate power data is available, 3TIER can apply model output statistics (MOS) to the model simulations, reducing overall forecast error and correcting forecast biases. The forecasted and observed power for a specified time horizon is shown as an easy to interpret time-series graphic.
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An API is also available for faster integration of downloadable forecast data into your internal analysis tools and programming software.
Available Regions
Delivery Method
Forecasting tools are delivered via a client-specific, dashboard interface. Downloadable data files are provided in a comma-separated value (CSV) format to allow easy integration with your own internal systems.
Product Highlights
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Guaranteed 24/7 availability
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User defined sub-regions
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Customizable dashboard interface
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Security. Easily set up your own permissions system with usernames and passwords for access to information. A secure password protected web host server is also provided for all data transfers.
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Scalability. Our model and data hardware will continually adapt as new wind projects come online and new data becomes available to ensure the highest forecasting accuracy.
Methodology
Inputs
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Project latitude and longitude
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Nameplate capacity
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Turbine make and model
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Site in-service date
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User-defined sub-group specification
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Aggregate power observations
Outputs
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Aggregate power (MW)
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Generating capacity (%)
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Aggregated capacity-weighted wind speed (m/s)
Aligned with 3TIER's commitment to using state-of-the-art, proven, and transparent methods, our regional wind forecast system is a combination of publicly available global and regional weather forecasts, high resolution surface data, and highly customized mesoscale numerical weather prediction (NWP) models. The result is an aggregate wind speed forecast converted into real world values of hourly power generation in megawatts using asset-specific manufacturer power curve data. Where aggregate power data is publicly available, 3TIER will incorporate observations to deliver statistically corrected power forecasts.
Customer Requirements
In order to provide regional wind power forecasting, 3TIER only requires you to select your region of interest and provide sub-region geographic boundary specifications or wind project lists.
If you are unfamiliar with the technical terminology on this page, please visit our Glossary for more information.