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I too am facing same problem with 2023R3 on windows 11 with screen resolution 1920x1200 and tried all recommended resolution and no respite.  

Hi Finn, the problem is the PV module "JW-HD144N-570" which was user created. It has wrong low light values: Please check the values again, then it should be fine. Kind regards, Martin

Hallo, ich habe eine Anlage vorberechnet, die nun nur einen Anlagennutzungsgrad von 44% ausfweist. Dies kann so nicht stimmten bei einem Jahresverbrauch von 370 000kWh und rund 70 kWp PV.   Wo könnte hier der Fehler liegen?

Hi Martin, I have send you my project as a private message.  Thank you for taking your time looking at the project   Best regards, 

Hi Finn, a performance ratio of over 100% is physically impossible, you are correct Could you provide the project where this occurs? You can send it to me here in the forum as private message. Kind regards, Martin