Based on our proprietary cloud and aerosol tracking and forecasting. Updated every 10-15 minutes, with forecasts extending 7 days ahead. Available at 5, 10, 15 or 30 minute time granularity.
Monitor and analyse PV production performance
Create or improve in-house solar power forecasting
Forecast for concentrated solar thermal (CST) generators
Additional percentile forecasts (10th and 90th) provided for:
All continents (Rapid update actuals and forecast data)
Utility Scale Sites: 5, 10, 15, 20 or 30 minutes (Solar Radiation data is included with Utility Scale Solar Forecasts
Solar Radiation Sites or via Simple Lat / Lon requests: 30 minutes (period mean)
Every 10 or 15 minutes
Time span (Forecast)
Present time to +7 days ahead
Time span (Realtime)
7 days ago to present time
Time span (Recent)
3 months ago to 2 days ago
API call options
Your choice of either:
Access solar radiation data via API (including CSV download) and begin your free trial in less than one minute!
Validated historical solar irradiance and weather data
Solar power forecasting for solar farms or solar parks, delivered via API.
Solar power forecasting for rooftops - just one, or thousands.
Thousands of PV systems grouped by market regions or grid assets. Forecasts and estimated actuals updated every 10 to 15 minutes.
Wind power forecasting for wind farms, delivered via API. For Enterprise customers only