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In PV*SOL premium and PV*SOL, please open the tariff database via "Databases" --> "Feed-in Tariffs" or "From-grid Tariffs" and select the "New" icon. Then enter the required data.

No, you must select or create the feed-in tariff for each month of commissioning. The tariff files are updated via the database update.

The feed-in tariff shown in the table or graph changes every year, even if you haven't entered any degradation, because it displays the net present value, not the amount of the feed-in tariff. This means that each year's feed-in tariff is discounted back to its initial value using the interest on capital (current yield). If you want to see the feed-in tariff amount over time without interest, set the capital interest to zero.

The results presented in the project report, such as annual grid feed-in, specific yield, and CO₂ savings, refer to the first full year of operation.

Dear CarlSEL, Thank you for your inquiry. 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.

Hello, Thank you for your message. Please delete the fifth point of the polygon. The rectangular polygon may only consist of four points.

Hello, Thank you for your inquiry. To create this L-shaped building, draw several polygons and extrude the buildings one after the other. You deactivate the collision (right-click on the roof) and move the buildings towards or into each other. The polygons must be rectangular so that PV*SOL recognizes them as a gable or hipped roof: This tutorial explains how to draw an L-shaped building. To watch the tutorial in English, you can select the "English" audio track in the YouTube settings.

Dear Anders, Thank you for your inquiry. To create this L-shaped building, draw several polygons and extrude the buildings one after the other. You deactivate the collision (right-click on the roof) and move the buildings towards or into each other. This tutorial explains how to draw an L-shaped building. To watch the tutorial in English, you can select the "English" audio track in the YouTube settings. Please find enclosed the project file we have edited. Karin og Bent VAL.pvprj

Hallo Joceblaze, vielen Dank für deine Nachricht. Bitte nutze WeTransfer oder SwissTransfer, um uns die Datei zukommen zu lassen.

Dear J. Esteban, Thank you for your inquiry. Unfortunately, there is no other way to display large module areas. We will forward your request to our development team.

Hallo F.Hiecke, vielen Dank für deine Nachricht. Wir werden den Hersteller Sigenergy kontaktieren und um Eintragung der fehlenden Produkte (Sigen Hybrid Wechselrichter TP2 mit 1-6 Batteriemodulen) in unsere Datenbank bitten.

Dear Alexandre, Thank you for your inquiry. Unfortunately, it is not possible to define seasonal temperature settings. We have informed our development team about your requirement.

Guten Tag, vielen Dank für Ihre Anfrage. Eine Legionellen-Schaltung kann ich T*SOL und in PV*SOL berücksichtigt werden, jedoch leider nicht in GeoT*SOL. Das Entwicklungsteam hat Ihren Wunsch aufgenommen. Wenn Sie sich die Testversion von T*SOL herunterladen, könnten Sie den Mehrverbrauch für den Legionellenschutz beispielsweise wie folgt abschätzen: 300 Liter, T_soll = 50 °C, für Legionellenschutz auf 60 °C aufheizen ohne Legionellenschutz: Kessel: 2742 kWh/a, Verluste 366 kWh/a mit Legionellenschutz 1x/Woche: Kessel: 2795 kWh/a, Verluste 375 kWh/a (+ 2 % Mehrverbrauch) mit Legionellenschutz 7x/Woche: Kessel: 3151 kWh/a, Verluste 442 kWh/a (+ 15 % Mehrverbrauch) Fazit: Bei deltaT = 10 K sind es etwa 2 % pro Tag extra

Guten Tag, vielen Dank für Ihre Nachricht. Bedauerlicherweise ist es nicht möglich, die Anlagenschemata anzupassen. Wir geben Ihre Wünsche, auch die Möglichkeit zum Abbilden eines Nachheizstabs in einem Speicher, an das Entwicklungsteam weiter.

Dear CarlSEL, Thank you for your inquiry. Unfortunately, the cable diagram is not available for roof-spanning wiring (as in your case), polystring wiring, or elevated systems. Instead, a string diagram is available, based on the sorting on the Module Configuration page.

Dear Anders, Thank you for your inquiry. We took another screenshot in the screenshot manager: This one will be included in the project report: The project file we edited is attached. Dagrofa Herning - VAL.pvprj

Hallo Joceblaze, vielen Dank für deine Anfrage. Bitte sende uns die Projektdatei (*.pvprj) an hotline@valentin-software.com, dann sehen wir uns das mal an.

Hallo Solaris, vielen Dank für deine Anfrage. Bitte sende uns die beiden Projektdateien (*.pvprj) an hotline@valentin-software.com, dann sehen wir uns das mal an.

Hallo F.Hiecke, vielen Dank für deine Anfrage. Auf der Seite "Kabel" kannst du Schaltzeichen hinzufügen und diese auch individuell beschriften. Es gibt bisher kein Schaltzeichen für eine Notstrombox. Falls du eine Vorgabe vom Netzbetreiber hast, wie das Schaltzeichen aussehen soll, schick es uns gern an hotline@valentin-software.com, dann leiten wir das ans Entwicklungsteam weiter.

Dear xshreck, Thank you for your inquiry. This is a bug that will be fixed in the next software update. PV*SOL premium 2025 R4 is expected to be released on March 18, 2026. You can work around this by exiting the 3D environment and returning to the main program. Exporting works on the "Plans and parts lists" page:

Dear CarlSEL, Thank you for your message. We confirm that 24 modules DM510G12RT-B54HBT may be connected in series: The maximum open-circuit voltage of the string at -10 degrees Celsius is 1060 V:

The tenant electricity model is unfortunately not selectable as a balancing/feed-in concept and must be entered/adjusted individually. Assuming that the demand profile represents the tenants' consumption, self-consumption corresponds to selling electricity to the tenants. This can be accounted for through savings by defining a from-grid tariff that corresponds to the selling price to the tenants. The electricity fed into the grid is compensated with a feed-in tariff or via direct marketing. Since the operator may also have to/be able to guarantee security of supply, the generated PV energy may not be sufficient to cover the tenants' demand. In this case, electricity must be purchased from the grid by the energy supplier. To account for this, you must multiply the amount of electricity purchased by the energy supplier's price per kWh and enter this value under "Other Costs" in the "Financial Analysis" under "Economic Parameters --> Cost Balance".

No, our PV software cannot calculate costs. Component prices and other costs are not included. You must determine the costs of your planned system yourself. The calculated system price is entered into the profitability analysis and thus forms the basis for the financial forecast. The forms in the "financial analysis" module are pre-populated with sample values and do not represent average or empirical values. You must adjust these to suit your specific project.

Dear Anders, Thank you for your message. We confirm that the result of the shading analysis is plausible. The trees are not very tall and the modules are not located directly at the roof edge. It should be taken into account that the trees could grow over the operating life of the PV system.

Dear CarlSEL, Thank you for your inquiry. We confirm that the manufacturer Sungrow has listed the SG150CX inverter with a maximum input voltage of 1100 V in our database: According to the datasheet, the open-circuit voltage of the DM510M10RT-B60HSW/HBB/HBW/HBT/HST module under STC conditions (25 °C) is 45.1 V. The maximum open-circuit voltage is calculated for -10 °C. The temperature coefficient of the voltage is -0.247%/K or -111.5 mV/K. The temperature difference from +25 °C to -10 °C is 35 Kelvin. This temperature difference leads to a voltage increase of 35 K * 0.1115 V/K = 3.90 V. This results in a maximum open-circuit voltage of 45.1 V + 35 K * 0.1115 V/K = 49.0 V per module. String with 21 modules: 1029.05 V String with 22 modules: 1078.06 V String with 23 modules: 1127.06 V String with 24 modules: 1176.06 V PV*SOL allows the connection of 21 modules (normal range) or 22 modules (MPP voltage tolerance range of 865.7 V, normal open-circuit voltage range of 1078.1 V). We cannot reproduce your configuration with 24 modules. Please send us a screenshot or the project file (*.pvprj) to hotline@valentin-software.com, and we'll take a look at it.