A examplary calculator for KPIs of solar cell power plants.
In order to use this program, please install PyQt6 via
$ pip install PyQt6
for the graphical user interface and numpy-financial via
$ pip install numpy-financial
for the financial calculations.
The user needs to fill out all text fields or an error message is displayed asking to do so. By clicking the Button "Calculate KPIs" the program calculates key performance indicators and displays several additional cash flow statistics as comments.
Clicking the button "Clear Inputs" all input fields will be cleared. For testing purposes, the interface still contains some standard values.