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solar power forecasting with weather data

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Time horizont: up to 10 days in the future
Time step (granularity): as from 1 minute

Published in: Environment
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solar power forecasting with weather data

  1. 1. steadyMet / Service / Technology Fact Sheet Meteorological solar production forecast is the oldest and most used technology to meet forecasting needs over the next few days. Solar Energy production experiences spectacular growth at world level and forecasting requirements have become paramount. Solar production forecast essentially depends on sunlight and temperature, themselves influenced by different phenomena (clouds, fog, wind, etc.) SteadyMet takes into account a series of parameters, making it possible to provide the finest, most efficient and advanced solar production forecast on the market. NUMERICAL WEATHER PREDICTION NOAA GFS model for D+10 forecast ECMWF IFS model for D+2 forecast WEATHER PARAMETERS : GHI, surface temperature, DNI, Wind SOLAR PRODUCTION FORECAST from 0 to 10 days TIME STEP from one minute UPDATED TWICE / DAY (IFS) and 4 TIMES/DAY (GFS) Limited area MESOSCALE NUMERICAL WEATHER PREDICTION SYSTEM WRF , configuration, optimized solutionEXPERT SELF-LEARNING steadyMet structure * ECMWF is Europe’s medium term weather forecasting centre, *GFS is a US weather forecasting model, * NOAA is the US Oceanic and atmospheric observation agency, * IFS is a forecasting model from ECMWF, * DNI [direct normal irradiance] is the amount of sun light received by a surface constantly turned towards the sun, * GHI [global horizontal irradiance] is the amount of sun light received by a horizontal surface. Selection and processing of meteorological data GFS / spatial resolution ~ 50 km IFS / spatial resolution ~ 12 km WRF / spatial resolution ~ 3 km Production forecast for the coming days is thus achieved based on meteorological models and production data available. Forecasts can be updated every 6 hours. They are based on an expert system that combines artificial intelligence, statistical and physical models. Local weather peculiarities are taken into account, and the self- learning module achieves greater accuracy.
  2. 2. +33(0)9 70 75 34 16 - contact@steady-sun.com - www.steady-sun.com Savoie Technolac - BP 40328 - 73377 Le Bourget du Lac cedex - France FEATURE AVAILABILITY Forecast at country level Forecast at regional level Forecast at town level Forecast at site level Forecast for a portfolio (stations spread over a territory) DNI (Direct Normal Irradiance) forecast GHI (Global Horizontal Irradiance) forecast GTI (Global Tilted Irradiance) forecast Temperature forecast Production forecast Time horizon up to 15 days Time horizon up to 6 hours Time horizon up to 60 minutes Update 4 times / day Update 96 times / day Update 1440 times / day Time step from one minute Suitable for all PV technologies Suitable for CPV (Concentrated Photovoltaic) technology Suitable for CSP (Concentrated Solar Power) technology Including 1-axis tracking Including 2-axis tracking Percentiles (P10, P20, P30, P40, P50, P60, P70, P80, P90) Forecast D+3, over the whole of Germany for TSO and traders D + 3 Forecast, for an operator with an 80MW power plant with 1 axis tracker in South Africa 36 hours Forecast, for a region in Italy (1,450MW) Production & forecast history (data over one year) Steadysun offers a range of upgradable solutions to meet your future needs. We invite you to discover our short-term forecasting solution SteadySat and our quasi real-time forecast solution SteadyEye. Forecast up to 25 hours, for an island in the Atlantic Ocean (100MW)

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