Clear Sky Performance – Cast4All

Clear Sky Performance Index

A powerful analysis of the yield of your solar panels

Fast degradation detection

The CSPI is a unique, accurate and fast method to detect degradation.

Shadow has no chance

Our algorithm is insensitive to shadow during a period of the day.

Only with existing data

Irradiation data is no requirement for the CSPI to work.

How it works

Discover the power behind the Clear Sky Performance Index

During a “Clear Sky” moment, the installation will produce the maximum possible on that day, time, orientation, tilt and with the known watt peak
The CSPI algorithm automatically detects Clear Sky moments. Only the measured 15 minutes kWh values are used
The CSPI is an index that should be around 1 for all installations. Lower values or a downward trend are indications of a problem
The CSPI is a self-learning algorithm: the older the installation, the better the results. It is also ideal for the automatic assessment of many small installations
The algorithm will correct incorrectly set orientations

Energising tomorrow, today.

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