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Dear Daniela Silva, Thank you for your inquiry. Unfortunately, tariff optimization and peak shaving are not currently possible. Battery management currently focuses exclusively on optimizing self-consumption. Functions whose implementation in PV*SOL we are currently discussing: Dynamic charging and discharging Dynamic electricity prices Seasonal feed-in of PV electricity into the grid (own consumption in winter, feed-in in summer), seasonal adjustment of charging time for time-controlled charging and discharging Time-controlled feed-in curtailment (possibility to limit export at certain windows during the day) Battery-only application (purchase cheap electricity from the grid, store it temporarily and feed it into the grid at times when the feed-in tariff is higher) We cannot provide any information on whether and, if so, when these functions will be implemented.

Dear Daniela Silva, Thank you for your inquiry. Yes, that's correct.

Hallo nikgo, vielen Dank für deine Anfrage. Bedauerlicherweise geht das noch nicht. Das Team der Software-Entwicklung arbeitet daran, aber das wird noch eine Weile dauern und nicht kurzfristig zur Verfügung stehen.

Just for comparison: If you use 3D planning and place a tree in front of your building, you will get a smaller performance ratio: Please find the example project enclosed: latyrusparken del 1 VAL.pvprj

Dear Anders, Thank you for your inquiry. The performance ratio is realistic. There is no shading. The modules you selected have a high module efficiency of over 22 percent: The inverter operates with efficiencies of over 98 percent and powerful MPP tracking: There are no significant losses in the energy balance:

Hallo Georg Rinser, vielen Dank für deine Anfrage. Für das Haupthaus zeichnest du je ein Polygon für beide Dachhälften. Die Südseite extrudierst du als Gebäude mit Pultdach und die Nordseite als beliebiges Gebäude. Das Nebengebäude extrudierst du als Satteldach (mit einem rechteckigen Polygon für die Grundfläche und einer Linie für den First). Beim beliebigen Gebäude kann es passieren, dass das Dach nach dem Extrudieren zur falschen Seite geneigt ist. Mit Rechtsklick --> Bearbeiten wählst du die korrekte Bezugskante aus:

Dear Daniela Silva, Thank you for your inquiry. As mentioned previously, select January 1, 2018 as the start date; the year runs from Monday, January 1, to Monday, December 31:

Dear J. Esteban, Thank you for your inquiry. We contacted the manufacturer, and new products have been added, but not the ones you requested. We will follow up again. You have the option of creating the module data sets yourself. The best way is to copy the data set of a similar module and use the parameters from the datasheet. Since the U/I values for low light behavior are not listed on the datasheet, you should select the standard low-light behavior or use the low-light behavior of a similar module.

Dear Anders, Thank you for your inquiry. In the screenshot manager, take a screenshot of the desired view and right-click to select "Use as Overview Picture": The error message is always displayed if there are image files in the 3D temp folder that cannot be assigned. As we do not yet know exactly how this can happen, we are unfortunately unable to offer you a solution at present. However, the planning process is not affected by the message, so you can ignore it.

Dear CarlSEL, Thank you for your inquiry. The incidence angle modifier (IAM) is not calculated by us, but must be entered by the module manufacturer in the PV module dataset at an angle of incidence of 50°. As with many parameters, however, the incident angle modifier does not actually have a fixed value, but is dependent on the angle of incidence. Unfortunately, with modern modules, the incident angle modifier is around 100 % at an angle of incidence of 50°. It is usually slightly lower, but rounded, it is correct. We would have to take a curve into account in the simulation, but we don't do that at the moment. It has been discussed before, but has not yet been implemented.

Hallo MMk TEchnik, vielen Dank für deine Anfrage. Die Kombination von Batterie und Heizstab wird mit dem nächsten Software-Update (PV*SOL premium 2026 R1) Mitte November möglich sein.

Dear Daniela Silva, Thank you for your inquiry. While the software doesn't output simulation results per weekday (only per day, per month, or per year), we understand that excluding February 29th can be detrimental. A workaround would be to remove the December 31st load profile data and import the load profile for 365 days of 2024 (from Monday, January 1st to Monday, December 30th). However, since the software expects 366 days for 2024, select January 1st, 2018, as the start date; this year runs from Monday, January 1st to Monday, December 31st.

Dear Daniela Silva, Thank you for your inquiry. The software always simulates a "standard year," which consists of 365 days. Therefore, 366 days are not required for the load profile. When importing a load profile from a leap year, it is automatically shortened by one day. If you absolutely want the leap year's annual value to appear, you can overwrite the annual electricity demand accordingly in the Load Profiles/Individual Appliances window after importing. However, this isn't entirely accurate, because it would then be distributed over 365 days instead of 366.

Hola wamm61, Gracias por tu consulta. Lamentablemente, aún no hemos recibido respuesta de Spitzer. Hemos vuelto a escribir a la empresa. Lamentablemente, no podemos crear los conjuntos de datos del inversor nosotros mismos, ya que hay datos críticos que no se encuentran en las hojas de datos (por ejemplo, la curva de eficiencia).

Hallo Thomasra, vielen Dank für deine Anfrage. Bitte wähle unter Optionen „Simulation erzwingen“ (alternativ STRG + F5-Taste drücken), dann sollten die Simulationsergebnisse angezeigt werden. Ansonsten lass uns bitte die zugehörige Projektdatei zukommen.

Guten Tag Josué Marion, vielen Dank für Ihre Anfrage. Wir können den Fehler nicht reproduzieren und es gibt auch keine Hinweise von anderen Kunden zu Problemen. Für welchen Standort kann die Horizontlinie nicht erstellt werden? Bitte senden Sie uns die Projektdatei an hotline@valentin-software.com, dann sehen wir uns das mal an.

Dear Nirmal Saggurthi, Thank you for your inquiry. Which program version are you using? The desired battery systems have been available in our database since September 2025:

Dear Miro, Thank you for your inquiry. For elevated module rows, the radiation on the rear side of the module consists of the radiation reflected from the ground, the radiation reflected from adjacent modules and the proportion of diffuse and direct radiation that can directly reach the rear side of the module, see here for more information. With an east-west orientation with a 20-degree inclination, as you selected, no backside radiation can reach the modules. Therefore, no PV power on the back of the module is calculated. The bifaciality of the modules cannot be taken into account.

Dear Anders, Thank you for your inquiry. You have to define a pv system in the 3D part of the software: You can watch our webinar recordings (in English). In the first part, we show 2D planning and go through the entire programme: selection/generation of climate data, load profile import as well as economics and the results. The second part shows the various options for 3D planning: module assignment and use of mounting systems, planning with Bing or Google map sections and the import of 3D models. 2D: https://downloads.valentin.de/webinar/PV_SOL_premium_2D_planning.wmv 3D: https://downloads.valentin.de/webinar/PV_SOL_premium_3D_planning.wmv Our free webinars offer you the opportunity to ask questions. You can find more tutorials on our YouTube channel: www.youtube.com/user/valentinsoftware/videos In addition, you can find more information in our online help: https://help.valentin-software.com/pvsol/en/

Guten Tag Günther Maier, vielen Dank für Ihre Anfrage. Sie haben vermutlich ein Batteriesystem mit DC-Zwischenkreis-Kopplung ausgewählt. Der Batteriespeicher ist an einen einzigen Wechselrichter angeschlossen und kann nur von diesem einen Wechselrichter beladen werden. Die übrigen Wechselrichter können den Batteriespeicher nicht beladen. Sie haben die Möglichkeit, ein Batteriesystem mit AC-Kopplung auszuwählen. In diesem Fall kann der Batteriespeicher von allen Wechselrichtern geladen werden. Sie können auch für das von Ihnen gewählte Batteriesystem die Kopplungsart ändern. Dazu gehen Sie in die Batteriesystem-Datenbank, kopieren den aktuellen Datenbankeintrag des Batteriesystems, wählen die Kopplungsart „AC-Kopplung“ und speichern das Batteriesystem neu ab. Die Batterie kann dann von allen Wechselrichtern geladen werden.

Dear PVEnergy, Thank you for your inquiry. The spectral mismatch alters the module's efficiency curve, which was measured using a standard spectrum. We assume that an annual average correction factor of 1% can be expected in Central Europe.

Dear PV Pro, Thank you for your message. Our newsletter provides information about our software updates. You can subscribe here.

Dear J. Esteban, Thank you for your inquiry and for sharing the datasheet. We will contact the manufacturer and ask them to add the missing products.

Dear Kavish Chetty, Thank you for your inquiry. Please check whether you can import the attached file. 18Halifax.wbv

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.