Access state of the art solar forecasting technology and the lowest uncertainty historical irradiance data available, all in our API Toolkit
API Toolkit accounts are free to create and provide instant access. Our Free Tier access will allow you to create a free forecasting site, sample our API data and download solar resource assessment files.
New registrations include 10 free API calls per day and historical requests. No credit card or commitment required. Just instant access to the latest high quality, high resolution solar irradiance and PV power data, wherever and whenever you need it.