Global Weather Corporation’s WindWX® service provides forecasts of hub height wind speed and estimated power output (when system characteristics are available), for any wind farm at any location in the world. WindWX’s accurate estimates of hub height wind speed enable reliable monitoring and prediction of wind energy systems, including power production. Typical users include utilities, energy traders, farm operators, farm maintenance crews, and transmission operators. Forecasts can be displayed in our simple, intuitive, web-based display, shown here. Alternatively, our forecast data feed can be integrated into any customer system.
WindWX combines two critical modeling steps.
The increasingly accurate wind energy forecasts for Xcel Energy have led to opportunity cost savings of $59.3 million, using the day-ahead forecast. The accuracy of the GWC day-ahead forecast is about 11% at the Xcel projects, an increase of 35% from 6 years ago.
WindWX includes two datasets, both of which are updated every 15 minutes:
Observations of wind speed and power, when available, are input to the system. These data are used to optimize the forecast generation and power conversion steps in the processing chain. Output is available through GWC’s web-based time-series graphical user interface and as a data feed for integration into automated processes.The table below summarizes the standard output variables when power output data are provided in addition to hub height wind speed.
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