{"id":1834,"date":"2017-01-12T17:59:46","date_gmt":"2017-01-12T17:59:46","guid":{"rendered":"https:\/\/reuniwatt.com\/en\/?page_id=1834"},"modified":"2024-07-17T20:25:00","modified_gmt":"2024-07-17T18:25:00","slug":"day-ahead-solar-forecasts-daycast","status":"publish","type":"page","link":"https:\/\/reuniwatt.com\/en\/products-and-services\/day-ahead-solar-forecasts-daycast\/","title":{"rendered":"Day-ahead solar forecasts with DayCast™"},"content":{"rendered":"

DayCast™ <\/strong>is Reuniwatt’s product to obtain day-ahead solar and wind forecasts. Our algorithms are based on meteorological models optimised for solar and wind, that are combined with artificial intelligence and statistical models. They forecast wind and PV production up to 10 days in advance.<\/p>\n<\/div>

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Global coverage and local accuracy<\/h2><\/div><\/div>

Global coverage and local accuracy<\/h3>\n

Our algorithms of day-ahead solar and wind forecasts are available worldwide. Moreover, Reuniwatt uses regional meteorological models in order to ensure a high temporal and spatial resolution on the chosen site.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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Diversification of supply sources<\/h2><\/div><\/div>

Diversification of supply sources<\/h3>\n

Reuniwatt\u2019s day-ahead solar forecasts integrate cloudiness parameters coming from several sources, thus enabling to improve their reliability.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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Improved cloud representation in weather models<\/h2><\/div><\/div>

Improved cloud representation in weather models<\/h3>\n

The classical weather forecasts do not prioritize the thorough investigation of cloud cover evolution. Reuniwatt conducts research towards a dedicated modeling of this major source of variation of the photovoltaic power generation.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

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Solar Power Forecasting<\/h4><\/a><\/div>
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Reuniwatt\u2019s proprietary method for day-ahead solar forecasts (from 6 hours up to several days ahead) is a weather forecasting method based on numerous numerical weather prediction (NWP) models, and specifically optimised to forecast cloudiness. DayCast™ algorithms to produce high-precision day-scale forecasts of solar irradiance.<\/span><\/p>\n

Contact us for a free consultation:<\/span><\/p>\n<\/div>

<\/div>Contact our solar forecasting experts<\/span><\/a>
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Wind Power Forecasting<\/h4><\/a><\/div>
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DayCast™ algorithms produce high-precision day-scale forecasts. The use of numerous numerical weather prediction (NWP) models enables us to capture and predict the state of the atmosphere, and the wind field in different heights, as well as turbine hub height, as accurately as possible.<\/span><\/p>\n

Request a free DayCast™ trial:<\/span><\/p>\n<\/div>

<\/div>Contact our wind forecasting experts<\/span><\/a>
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<\/i>Methodology<\/strong><\/h2>\n<\/div>

DayCast™ is a weather forecasting technique developed by Reuniwatt, and specifically optimised for the day-ahead and up to a whole week ahead <\/strong>cloudiness and solar irradiance on the ground, as well as the wind field in different heights .<\/p>\n

DayCast™ combines several numerical meteorological models, permitting to improve the forecasts\u2019 robustness. Artificial intelligence techniques train our models to better take local phenomena into account.<\/p>\n

DayCast™ offers a global coverage and offers many parameters useful for the next day\u2019s forecasts:<\/p>\n