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Dear PV Pro, Thank you for your message. Yes, that's possible. Another option would be to copy the battery system, change the coupling type, and run the simulation with an AC-coupled battery system.

Dear Kavish Chetty, Thank you for your inquiry. When attempting to import, you receive the error message: After 7587 hours, 23 hours of climate data are missing: We copied and pasted the previous 23 hours. We also changed the country code for South Africa (ZAR --> ZAF). We were then able to import the climate data, and the set appears in the list of data for South Africa. Attached is the file we edited. pvsol_formatted_weather_VAL.dat

Dear PV Pro, Thank you for your inquiry. The battery discharge to the grid is shown as 0 because this is a DC-coupled battery system. In these systems, PV energy and battery energy are simulated together and not output separately. You can see in the diagram editor that battery discharge to the grid is still occurring – according to the time-controlled discharge function. On a day with high irradiation in March, the battery is fully charged at midday. Starting at 12:00 PM, grid feed-in occurs, which continuously decreases until 5:00 PM – as the PV energy decreases. From 5:00 PM onwards, grid feed-in increases again, as the battery is now being discharged to the grid. At 9:00 PM, grid feed-in/battery discharge is complete.

Dear PV Pro, Thank you for your inquiry. Unfortunately, dynamic tariffs and seasonal time-controlled charging and discharging cannot currently be accommodated in PV*SOL. Our development team has been informed and is working on an implementation.

Hallo DSchwer, vielen Dank für deine Anfrage. Die Rechnungsnummer kann bisher leider nicht separat von der Angebotsnummer erfasst werden. Du hast die Möglichkeit, die Dokumentation als docx-Datei zu exportieren und in Word entweder das Wort "Angebotsnummer" durch "Rechnungsnummer" zu ersetzen oder eine weitere Zeile für die Rechnungsnummer hinzuzufügen. Wir geben deinen Wunsch an die Entwicklungsabteilung weiter und danken dir für den Hinweis.

Dear Gordana, Thank you for your inquiry. Unfortunately, PV*SOL is not suitable for visualising large ground-mounted installations on uneven terrain. The tool for drawing mounting surfaces is suitable for marking out building areas, but on your open space you have hardly any reference points for dividing your uneven total area into approximately level sub-areas in order to cover them with individual rows of mounting systems. Unfortunately, it is also not possible to specify a uniform module inclination. The inclination of a drawn mounting surface can only be determined by defining a mounting system and then subtracting the module inclination from the resulting inclination. This method of planning rows of mounting systems with a uniform resulting module inclination would be very time-consuming. Unfortunately, we can only recommend that you use different software for your planning.

Hallo Fabi, vielen Dank für die Zusendung der Projektdatei. Wir posten hier der Vollständigkeit halber die Antwort, die du schon per Mail von uns erhalten hast: Die Ausrichtung der beiden Dachflächen unterscheidet sich um mehr als 2°, darum muss die Polystring-Verschaltung genutzt werden, um beide Dachflächen in einem MPP zu verschalten. Diese muss händisch durchgeführt werden.

Hallo Alexs, vielen Dank für deine Anfrage. Bedauerlicherweise gibt es noch kein Lastprofil mit Klimaanlage. Derzeit prüfen wir verschiedene Berechnungen und bitten noch um Geduld.

Hallo Fabi, vielen Dank für deine Anfrage. Bitte reproduziere den Fehler, sende uns den Fehlerbericht über den Button "send bug report" und teile uns die genaue Uhrzeit mit, damit wir ihn zuordnen können. Sende uns bitte außerdem die Projektdatei (*.pvprj) an hotline@valentin-software.com, damit wir uns das ansehen können.

Dear Gordana, Thank you for your inquiry. Yes, in PV*SOL both inclinations are added together. If your open space location already has an inclination of 27 degrees, your mounting system only needs an inclination of 3 degrees.

Dear Chloe, Thank you for your inquiry. We recommend using the "Define module areas for configuration" function, as described here.

Dear Chloe, Thank you for your inquiry. Unfortunately, replacing modules with different dimensions will only be possible in the new 3D tool, and we don't have a release date for that yet.

Dear p4ingiv3r, Thank you for your inquiry. We have sent you a message with the download links.

Dear J. Esteban, Thank you for your inquiry. Automatic cable dimensioning is only available for roof-parallel systems, not for elevated systems or systems with polystring connection. Cable nodes and cable grommets can be added to the cable plan using drag & drop. It is not possible to establish a reference point for where the inverters are located. The length of the DC cables is calculated from the PV modules to the cable grommets. The cable lengths are displayed in the cable list. Press the F1 key to access the help page for cable dimensioning.

Hallo Mirza, vielen Dank für deine Anfrage. Vermutlich findet noch U0-Ladung statt. Die U0-Ladung läuft mit hoher Priorität und wird daher notfalls mit Energie aus dem Netz gefahren, sollte nicht ausreichend PV-Energie zur Verfügung stehen. Wenn du diese beiden Werte von 90 auf 100 Prozent setzt, findet nur noch I-Ladung statt. Die Energie für die I-Ladung wird ausschließlich vom PV-System genommen, nie aus dem Netz. Weitere Informationen zu den Ladestrategien findest du in unserer Hilfe. Falls das nicht hilft, sende uns bitte die Projektdatei (*.pvprj) an hotline@valentin-software.com, dann sehen wir uns das mal an.

Dear dvd, Thank you for your inquiry. The P90 value can only be used for financial analysis, not for energy balance. If you want the P90 value to be shown as the result in the energy balance instead of the P50 value, you would need to increase the power losses under "Options" --> "Project Options" --> "Simulation" until you approximately obtain the desired 254.860 kWh as the result in the energy balance.

Hallo Georg Rinser, vielen Dank für deine Anfrage. Im Bemaßungsplan werden die Modulmaße (H x B), die Dachmaße (Ortgang- und Firstlänge) und der Abstand des Modulfeldes zu zwei Dachkanten (Traufe und linker Ortgang) angegeben. Andere Maße können derzeit leider noch nicht ergänzt werden. Wir arbeiten an einer neuen 3D-Umgebung, in der es möglich sein wird, selbst auszuwählen, welche Maße angezeigt werden. Bis dahin hast du nur die Möglichkeit, den Bemaßungsplan zu exportieren und in einem anderen Programm weiterzubearbeiten. Es stehen folgende Dateiformate zur Verfügung: dxf, pdf, png und svg.

Dear Lee Taylor, Thank you for your inquiry. Energy management in PV*SOL ensures that the battery is charged when there is a PV surplus, and PV*SOL is designed to optimise self-consumption. Other use cases where the battery is to be charged at night and discharged during the day (not to optimise self-consumption, but for other economic reasons) cannot yet be simulated well in PV*SOL. Our developers are aware of your use case and we are working on implementing it.

Hallo Skiller90, vielen Dank für deine Anfrage. Bei Eingabe einer Umlaufrendite/Kapitalzins werden sowohl die Einnahmen als auch Zahlungen, beginnend mit dem Inbetriebnahmedatum, mit dem eingegebenen Zinssatz abgezinst. Dadurch soll der Wertverfall des Geldes abgebildet werden. Du zahlst weniger für den Kredit zurück (Tilgung), bekommst aber auch weniger EEG-Vergütung. Die Wirtschaftlichkeitsberechnung in PV*SOL beruht auf der Kapitalwertmethode. In unserer Online-Hilfe findest du weitere Informationen zu den Berechnungsgrundlagen.

Dear Fabian Grundler, Thank you for your inquiry. The following files must be classified as safe in your antivirus program: C:\Program Files (x86)\Valentin EnergieSoftware\PVSOL premium 2025\ValentinSoftware.PV.Desktop.Wow6432.exe C:\Program Files (x86)\Valentin EnergieSoftware\PVSOL premium 2025\PVSOLpremium.exe If you can confirm that all antivirus software has been set to allow the program through, please send us a bug report and provide the exact time of the bug report so we can identify it.

Dear J. Esteban, Thank you for sharing the project file. We strongly recommend defining a separate sub-system for each inverter. This way, if you need to remove or add a single PV module at the end, you don't have to redo the entire wiring, just the wiring for the inverter in question. We would like to show you how to manually define module areas for each string or MPPT (with the specified string or MPPT number) using the "Define module areas for configuration" function. First delete the existing inverter configuration. In the "Module Configuration" tab, select all modules for one string or MPPT by holding down the CTRL key and select "Add to "Define module areas" dialogue" with the right mouse button. Then click "Define module areas for Configuration". Rename the module areas (right-click --> Rename). Repeat this for all module areas belonging to the same inverter. Use the drop-down menu to switch to the second building. Then click "configure" and configure inverter 1 (configure all selected Module Areas together). Repeat these steps for all inverters. The subsystems will then have a fixed inverter assignment. Direction, starting point and course of a string can be defined in the bottom left corner. The module sequence within a string must be changed manually if required.

Dear J. Esteban, Thank you for your inquiry. Unfortunately, the cable plan is not available for elevated systems or polystring configurations. Alternatively, you can use the string diagram. However, cable lengths and diameters cannot be calculated automatically here; you must define them under Cables after exiting the 3D visualisation. If you have already created a cable plan and subsequently make changes to the configuration, the cable/string diagram is not always updated. You must then delete the cable plan (press the ‘Delete all cables’ button), switch back to the Module configuration page and then back to the Cable plan page. Everything is then updated and the cables run in accordance with the configuration. For large systems with complex string distribution we recommend that you manually define module areas for each string or MPPT (with the specified string or MPPT number) using the "Define module areas for configuration" function, as also explained here. First delete the existing inverter configuration. In the "Module Configuration" tab, select all modules for one string or MPPT by holding down the CTRL key and select "Add to "Define module areas" dialogue" with the right mouse button. Then click "Define module areas for Configuration". Rename the module areas (right-click --> Rename). Repeat this for all module areas belonging to the same inverter. Then click "configure" and configure inverter 1 (configure all selected Module Areas together and use Polystring Configuration). Repeat these steps for all inverters. The subsystems will then have a fixed inverter assignment. Direction, starting point and course of a string can be defined in the bottom left corner. The module sequence within a string must be changed manually if required. You can also send your project file (*.pvprj) to hotline@valentin-software.com so that we can take a closer look at it.

Dear Josua, Thank you for your inquiry. Photo Plan has been revised. First, select a PV module with black cells in PV*SOL, then select the texture with a black backsheet and frame in the lower right corner of Photo Plan.

Hallo Energy Depot, vielen Dank für Ihre Anfrage. Die Implementierung von Leistungspreisen wird intern diskutiert, leider können Leistungspreise momentan noch nicht berücksichtigt werden.

Dear Patrick Pereira, Thank you for sending us the project file. You have taken into account an inflation rate of 2 % for the feed-in tariff and your commissioning date is 8 July 2025. As the commissioning date is not 1 January, the price change factor is already taken into account during the first year of operation. Therefore, the cash flow table shows income of 1,312.40 € instead of 1,300.68 €.