The following new features and changes are included:

• New system type: “Grid-connected PV system with electrical appliances, thermal systems and battery systems”.
• Multiple from-grid tariffs can now be selected and freely assigned to different consumers.
• New compact project report with the most important simulation results.
• New load profiles for air conditioning systems, working from home and retiree households.
• In the consumption dialog, the load profiles from measured values are now displayed in groups.
• When importing consumer load profiles with a leap year, the correct number of values is now also output.
• Updated climate data based on Meteonorm 9 (2001–2020).
• All result graphics can be added to the project report.
• Project reports are now also available in Lithuanian.
• Project data and results can be exported to a JSON file.
• The financial analysis parameters dialog has been redesigned.
• For time-controlled charging and discharging of battery systems, time periods extending beyond midnight can now also be entered.
• When exporting the results to a CSV file, the formatting of the exported numbers has been standardized and is now without scientific notation.
• In the circuit diagram, circuit symbols can now also be inserted in front of AC battery systems and electric vehicles (only if the vehicle does not have its own from-grid tariff).
• When exporting plans, the type of plan is now appended to the file name.
• With the introduction of the thermal systems plus battery system, it is no longer possible to select the “PV-optimized” heat pump operating mode.
• Diagrams of the characteristic curves can no longer be added to the project report because this would make the project file too large.
• It is currently not possible to generate climate data from your own monthly values.
• The combination of time-controlled charging and DC generator-coupled battery systems is now prevented.
• The license management client has been updated (improved stability).

The following bugs have been fixed:

• In the economic efficiency results, one year was missing from the cash flow table if the assessment period was longer than the remuneration period including solar peak compensation.
• In some cases, the payback period was given as more than 100 years if it exceeded the observation period.
• When opening the options dialog, the time step of the simulation was sometimes changed.
• In some cases, the simulation (yield reduction due to shading) did not start if settings in the options were changed after a simulation was aborted.
• Balance error in the simulation of time-controlled charging and DC-coupled battery systems.
• In some cases, the simulation results were not displayed correctly after loading a project with solar peak compensation.
• In some cases, it was no longer possible to load project files after updating the online database.
• In some cases, the open-circuit voltage was too high after loading the project report several times.
• Crash when loading projects from program version 2025 with solar peak law that were not simulated.
• Partial crashes on the welcome page when the program was closed.
• Crash when loading projects with battery systems or electric vehicles if there was more than one group and results were already available.
• Partial crashes in the dialog for selecting load profiles.
• Correction of the display of the discharge power of electric vehicles (factor 1000).
• A payback period of “1 year and 12 months” is now displayed as “2 years”.
• In off-grid projects, the battery system was not displayed correctly in the circuit diagram.
• Crash on the project report page when there were errors (e.g., a bitmap that was too large) in the circuit diagram.
• Crash in “New Project” when multiple battery system groups were used but the first group was not selected.
• Problems displaying the design bar for very high power ratings and consumption.
• Incorrect translations.

The following new features and changes are included:

• Calculation of annual cash flow in combination with taxes and loans revised.
• If a loan is used in the financial analysis, the results now also include the “Accrued Cash Flow (Cash Balance) minus pending loans” diagram.
• The “Energy cost trend” diagram can now be selected or deselected for the project report.
• The climate data from PVGIS has been updated to SARAH3.
• Revised calculation of direct own use of PV energy for DC intermediate circuit-coupled battery systems with time-controlled charging from the grid.
• When planning with a DC intermediate circuit-coupled battery system with time-controlled charging and the energy at the inverter input is less than the charge of the DC storage, the Sankey diagram is no longer displayed in the results. This can occur if the DC storage is also charged from the grid.

The following bugs have been fixed:

• Financial Analysis:
  • In some cases, a heat pump was included in the calculation of savings, even though the system type did not include a heat pump.
  • In some cases, the charging of the electric car from the battery was not taken into account in the calculation of savings.
  • Error when loading the already simulated feed-in tariff in the first year when using DC battery systems and the Solar Peak Act calculation.
• Off-grid systems:
  • Error when opening project files.
  • When the simulation is aborted, only a simple message is displayed instead of the crash window.
• Crash when opening the Results page if a project from the previous version is loaded in which the simulation results were saved.
• Error in the display of data series from thermal systems when exporting to a *.csv file.

The following new features and changes are included:

• German “Solarspitzengesetz” (Solar Peak Act) can now be mapped in the economic efficiency.
• Revised cashflow table:
• Year 1 is now a full year.
• The last year may only be part of a year.
• The period of each year shown is listed.
• Display of the amortization period is no longer limited to the observation period.
• Photo Plan: Re-implementation of Braas roof tiles, Velux roof windows and measuring tools.
• In the circuit diagram, the DC intermediate-coupled battery systems are now drawn on the DC side of hybrid inverters.
• MeteoSyn: In case of errors during the import of climate data, the possible error is now indicated.
• In the simulation with a thermal system, the maximum value for hot water consumption was increased to 1,000,000 kWh.
• Improvement of the translation.
• New offline database.

The following bugs have been fixed:

• Crash in the simulation if the inverter characteristic curve only showed a value of over 0 % at a utilization rate of 10 %.
• Charging the e-vehicle from the battery system was not shown in the coverage of total consumption diagram.
• Licence management issue with error 401.
• Error in the login dialog of the license management:
• Login dialog did not respond.
• Login dialog did not display any content.
• Energy flow diagram:
• Display of energy flows from battery to electric car corrected.
• Error in balancing when using heating element.
• Error when saving the project files if characteristic curves should also be saved.
• Crash in the assignment of DC charge controller and inverter connections when using more than 10 DC battery systems.
• Crash in the characteristic curves if there was no PV yield in individual months.
• Partial crashes of the minute value synthesis at Brazilian locations.
• Photo Plan: Help could not be accessed with F1.
• Diagram PV energy during observation period did not show the correct observation period for projects located outside Germany.
• Partial problems with the diagrams for the economic calculation.
• User profiles: The tooltips were “hard coded”.
• The parameters "Year", "Month" and "Day" sometimes described a DateTime that could not be displayed.
• Automatic configuration search sometimes did not deliver any results for the SMA Tripower Core 2.
• The power specification of the backup generator was incorrect in the circuit diagram.
• Crash on the inverter window if the power optimizer field was clicked first and then the inverter model field immediately afterwards.
• Problems when entering degrees, minutes and seconds of coordinates in the map tool search.

The following new features and changes are included:

• Buttons for copying results tables and diagrams.
• Copy & Paste in the parts list now only copies the selected cells.
• Specific CO2 emissions are set to 380 g/kWh.
• Currents and voltages are now grouped during CSV export.
• Guernsey and Jersey added to MeteoSyn country list.

The following bugs have been fixed:

• Error when averaging 10- and 15-minute values in *.csv export.
• Crash when starting different PV*SOL variants and versions at the same time.
• Crash when exiting the financial analysis parameter dialog if the term and repayment free initial period year were set to the same value.
• Crash when simulating with bifacial modules and row spacing 0 m.
• Opening the options for *.csv export did not force a new simulation when changing the time step.
• Simulation progress dialog could no longer be closed with "Alt+F4".
• Error in checking the charging power for electric vehicles.
• Carpet plots in the project report are now prevented if simulation results are not available.
• Rare crash in calculation of DC power of DC-coupled battery systems.
• In some cases, the initialization file for the license management could not be deserialized.
• Error when using tracker systems for locations in the southern hemisphere.
• Display of the PV modules page in French, Spanish, Portuguese and Italian partially incorrect.
• Changing the country of the climate data led to the deletion of the financial analysis data for off-grid systems.
• The energy balance entries for power optimizers were not correctly labelled during *.csv export.
• Crash when defining a new PV module if the current or voltage in the MPP was higher than the short-circuit current or open-circuit voltage.
• Incorrect interpolation of power optimizer curves between negative and positive power consumption.
• Crash when starting PV*SOL due to IPC timing problem.
• When using battery systems with batteries based on lithium nickel manganese oxide, negative losses could occur in the battery.
• Main window no longer disappears into the background when MeteoSyn is called up.
• Simulation of time-controlled charging for DC-coupled battery systems was not possible.
• Error in the system check with Huawei optimizers.
• New license management:
  • Crash when starting PV*SOL (UUID not available on some computers).
  • Crash if the license file could not be written.

The following new features and changes are included:

• New license model user-based licenses. More information:

  https://valentin-software.com/en/support/faq-new-license-model/

• A Sankey diagram is now available for the energy balance.
• Different user/company data can now be stored in the options.
• For *.csv export, you can now specify which data series should be exported.
• “NREL Meteosat” is now available as a new data source for creating your own climate data records.
• Climate data in *.epw (EnergyPlus Weather) file format can now be imported.
• The “Cumulative Total Energy Generation” diagram can be included in the project report.
• Validation of PV modules improved.
• The entry in the field “Project Designer” is adopted for newly created projects.
• The entry of the email address in the crash and database user ID window is adopted for all email entry fields.

The following bugs have been fixed:

• Crashes during simulation.
• Improved simulation of battery systems with time-controlled charging and feed-in regulation.
• Error when applying the degradation for all module surfaces.
• Error in the calculation of the degradation for the GEG.
• If no inverter configuration was found, a corresponding message was no longer displayed.