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Dear said allaw, Thank you for your inquiry. 1. You define a maximum feed-in power clipping at the feed-in point: 2. You define a charging strategy with C-charge (or I-charging) up to 100 %. The C-charge is taken exclusively from the PV system, never from the grid: By default, the battery only serves consumption and does not discharge into the grid.

Hallo Sunfan, vielen Dank für deine Anfrage. Die Wechselrichter-Umbenennung ist leider noch nicht möglich. Wir danken dir für den erneuten Hinweis.

Dear Damian, Thank you for your inquiry. The database is maintained by the manufacturers themselves. The manufacturers have access to an online database in which they can enter their products. We then carry out database updates at regular intervals and the new entries are transferred to the users' databases. We will contact the manufacturer and ask them to enter the missing products in our database. You also have the possibility to create products by yourself. The easiest way is to copy an existing dataset (battery system with Goodwe inverter and a similar battery) and overwrite the values using the Dyness datasheet.

Dear ArtemVydysh, Thank you for your inquiry. If the MPPT voltage falls below 140 V, as in your example, the MPPT still controls the operating point at 140 V and generates a PV yield. This results in losses, which you can see in the energy balance. The PV yield can increase again if a more favourable operating point can be found.

Dear ArtemVydsyh, Thank you for your inquiry. Unfortunately, your project file is unavailable. Please try to resend it (either here or to hotline@valentin-software.com). If the file is too big, please use WeTransfer or similar.

Dear klb, Thank you for your inquiry. Unfortunately, the cable plan is not available for elevated systems or polystring wiring. 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.

Dear Shakya, Thank you for your inquiry. The programme is upwards compatible but not downwards. Please use PV*SOL premium 2025 to open and simulate the project file. You may have to make the assignment in the control panel that *.pvprj files are opened with 2025.

Dear Afriyie F, Thank you for your inquiry. Select ‘All Companies’ and then tick the ‘Only user created data records’ box:

Dear Afriyie F, Thank you for your inquiry. Select ‘All Companies’ and then tick the ‘Only user created data records’ box:

Dear Tihomir, Thank you for you inquiry. Unfortunately, only PV systems with up to 7,500 mounted or up to 10,000 roof-parallel modules can currently be simulated in the 3D environment. The maximum number of modules also depends on the number of shading 3D objects, such as trees, superstructures, module row formations, etc. Unfortunately, the number of modules cannot be increased. Alternatively, you could divide your system into sub-projects and simulate them separately, or you could start by simulating only a representative, small part of the system in 3D. You will then receive a value for the "Yield reduction due to shading” in the results. Of course, you could also take screenshots within the 3D visualization, which you then add to the presentation of the 2D planning after Word export. You then plan the complete system in 2D. There you can plan with up to 100,000 modules per module area, whereby the number of module areas is unlimited. To take shading into account, you could enter the value of the "Yield reduction due to shading” from the 3D planning as a percentage value under Shading in the 2D planning. In the test version of PV*SOL premium, you can view the sample project ‘Solar Park Neuhardenberg’ (total output 20 MWp):

You divide your system into sub-projects and simulate them separately in 3D. You will then receive a value for the "yield reduction due to shading” in the results. You can take screenshots within the 3D visualization, which you then add to the presentation of the 2D planning after Word export. You then plan the complete system in 2D. There you can plan with up to 100,000 modules per module area, whereby the number of module areas is unlimited. To take shading into account, you enter the value of the "Yield reduction due to shading” from the 3D planning as a percentage value under Shading in the 2D planning.

Dear Carl, Thank you for your inquiry. Create three copies of your project file, one for each roof. In the first file, delete all PV modules on roofs 2 and 3. Then carry out the shadow simulation for roof 1 only. Proceed in the same way for roofs 2 and 3.

Hallo mdeniz17, vielen Dank für Ihre Anfrage. Bedauerlicherweise können Leistungspreise nicht berücksichtigt werden.

Dear Carl, Thank you for your inquiry. There is a memory problem, the maximum possible RAM utilisation has been exceeded. Unfortunately, our 3D tool is still a 32-bit process that has a maximum of 1.4 GB of RAM available. You can try unchecking the ‘Backup copy’ box in the 3D tool under ‘Options’. If the simulation is still not possible, we recommend that you divide the entire system into subsystems perform the shadow simulation for each subsystem individually and simulate the entire system only without shadow simulation.

Dear Venco Gary, Thank you for your inquiry. You must add a net metering tariff for consumption below 600 kWh:

Hallo oliver6666, vielen Dank für Ihre Anfrage. Bitte setzen Sie das Häkchen für Produkte, die nicht mehr lieferbar sind. Dann wird Ihnen der gewünschte Wechselrichter angezeigt:

Hallo ITL, vielen Dank für Ihre Anfrage. Die Wechselrichter von Victron Energy weisen spezielle Eigenschaften auf, die vom aktuellen Simulationsmodell größtenteils nicht korrekt dargestellt werden können. Da in naher Zukunft keine Änderungen geplant sind und es keinen Zeitplan gibt, wann das Simulationsmodell angepasst werden kann, ist es leider unwahrscheinlich, dass die Produkte von Victron Energy kurzfristig integriert werden. Pylontech-Batteriespeicher sind in unseren Datenbanken verfügbar. In der Datenbank für Batterien finden Sie die Pylontech-Speicher unter dem Hersteller Pylon Technologies Co. Ltd. In der Datenbank für Batteriesysteme finden Sie die Pylontech-Speicher unter dem Hersteller des Batteriewechselrichters. Das kann der Hersteller Pylon Technologies Co. Ltd. selber sein, aber z.B. auch unter dem Hersteller Kostal finden Sie Pylontech-Speicher.

Hallo David Biber, vielen Dank für Ihre Anfrage. Verwenden Sie die aktuelle Programmversion (PV*SOL premium 2025 R4)? Voreingestellt ist zwar ein älterer Einspeisetarif, aber wenn Sie auf "Hinzufügen" klicken, werden Ihnen die aktuellen Einspeisetarife angezeigt.

Dear Heizen, Thank you for your inquiry. Unfortunately, systems with buffer storages connected in series are not available in GeoT*SOL. Systems with buffer storages connected in series can be simulated in T*SOL. Heat pumps can also be selected. However, the heat pumps are not simulated, but treated like boilers, i.e. the heat pumps have an output that they can always deliver.

Dear ArtemVydysh, Thank you for your inquiry. Please send your project file (*.pvprj) to hotline@valentin-software.com so that we can take a closer look at it.

Hola wamm61 Gracias por tu consulta. Nos pondremos en contacto con el fabricante y le pediremos que añada los inversores que faltan.

Dear Erich Albrecht, Thank you for your inquiry. For complex buildings, draw a polygon for each roof segment and extrude an ‘Arbitrary Building’ for each polygon. Adjust the roof dimensions (pitch, eaves height) to create a closed roof surface. You can then use the ‘Deactivate Collision’ function (right-click on a roof segment) to move parts of the building into each other (if necessary). In this YouTube video, we use an angled bungalow to show you how you can assemble a complex roof from several roof segments: You can also send us your project file and/or a sketch of your building (hotline@valentin-software.com) and we will make you a proposal on how we would construct the building.

Dear ionut, Thank you for your request. Unfortunately, this is not planned.

Dear ionut, Thank you for your inquiry. The design of a system with a hybrid inverter in which the battery is located on the DC side is not possible with our tool for stand-alone systems. Only AC-coupled batteries can be simulated with this tool. Instead, you could plan a grid-connected system with the desired components. In the ‘System type, climate and grid’ window, you can set the ‘Maximum Feed-in Power Clipping’ to zero. No energy is then fed into the grid. The value under ‘Total consumption covered by the grid’ then represents the energy that cannot be covered by the PV system. This energy must be supplied by a generator.

Dear ionut, Thank you for your inquiry. A possible system design with battery storage can be found in the attached project file. Agrointens S.A. off grid v2025 VAL.pvprj