Note: The number of users of this project has grown considerably. This is great. Unfortunately, the operation of solar prognosis (Solarprognose) is not free of charge. I would be thankful if you donate some euro. Donate


We provide a prediction of the production of your solar system based on your location, the declination and orientation of your solar panels.

Hourly prediction of the production of your solar system.
Prediction for today and the following days.
Chart and table based presentation of prediction.
Without charge for up to 10 kWp.
Simple API based on http-requests.


Increase Your Self-Consumption.
Reduce Your Energy Bill.
Increase Use Of Renewable Energy.