The following new features and changes are included:

• Tool for climate data checking in MeteoSyn. This performs a check of the MeteoSyn database in four phases:
  • Checking the files and database entries for invalid data or data with reduced quality.
  • Search for duplicates in WBV files.
  • Search for duplicates in database entries.
  • Search for imports and updates.
• In MeteoSyn, all relevant information about the selected climate data set is displayed as a tooltip (with the mouse pointer on green, large text at the bottom right of the window).
• The country of the climate data location is now preselected in the tariff selection dialog.
• New SolarEdge configuration rules (maximum difference between shortest and longest string).
• SolarEdge power optimizers now have a fixed efficiency in the bypass, independent of load.
• New design rules for the SolarEdge hybrid inverters.
• If a configuration has more parallel strings than DC inputs to the inverter, a message appears.
• If the input current at the MPP tracker is exceeded, then the short circuit current at the MPP tracker is now also checked.
• The maximum feed-in power clipping can now also be defined via the maximum feed-in power.
• In the configuration check, exceeding the maximum DC power at inverter and MPP tracker level now results in a warning.
• New project option: "Allow configuration despite limit value exceeded".
• In the system check, the restricted range has been renamed to clipping range.
• When editing configurations with many inverters, the list no longer jumps to the beginning.
• The "Cumulative Total Energy generation" diagram is now also available for projects with surplus feed-in.
• Validation of self-created PV modules to avoid false entries: Relative efficiency must no longer be greater than 120%.
• In case of crashes due to OneDrive not running, an appropriate message appears.
• The main window can now be positioned again using the Windows and arrow keys.
• Serbian as project report language.

The following bugs have been fixed:

• Crash on Battery Systems page when a large number (>100) of battery systems were selected as favorites and "Select from favorites" was selected in the quick selection.
• Some edit fields were incorrectly set to multiline.
• When entering text in some edit fields, the cursor always jumped to the beginning of the edit field.
• Text fields, e.g. on the page “Project Data”, sometimes did not behave correctly when using backspace and delete key if characters were selected.
• Partially, the designation of the module surfaces in the selection drop-down menu in the interconnection dialog could no longer be read because the designation was too long. The dialog box has now been widened.
• The name of load profiles could not be edited.
• When using daily load profiles in combination with the input of monthly and annual values, the import of load profiles was previously also active.
• In the window Cables the number of DC inputs per inverter was sometimes not presented correctly.
• The parts list was sometimes not displayed correctly.
• Projects with power optimizers connected in 1x2 configuration on multiple module surfaces could not be simulated depending on the climate data record.
• Partial crash when simulating configurations with power optimizers with 2x1 configuration on multiple module surfaces.
• Notification email after non-crash error report is now sent out again.
• Crash when loading and displaying the project image when the file is used by another process.
• Crash in project comparison when accessing the clipboard.
• Crash in the updater of the consumption database.
• Disabled DPI awareness switch in the WPF interface library to minimize problems on high resolution monitors.
• Improvement of translations.

The following new features and changes are included:

• New climate data for Germany (Valentin Software TMY procedure with DWD data as basis, 1995 – 2012).
• New Default Climate data record Berlin (1995-2012, DWD TMY3 (Valentin Software)) when using Project > New.
• SolarAnywhere as additional climate data provider.
• Revised Meteosyn interface in the "Generate climate data for new location" dialog.
• Improvement of the location search in Meteosyn.
• Revised configuration check:
  • Maximum short circuit current at the inverter and MPP trackers is now considered.
  • Validity states have been revised and a prohibition range has been added if the short-circuit is exceeded.
• Monthly consumption values can be provided with daily load profiles.
• Number of maximum tariff periods extended from 12 to 24.
• Conversion of efficiency curves from AC to DC side improved.
• Progress of the yield simulation is now displayed in the PV*SOL program icon in the taskbar.
• Installation: Checkbox to select or deselect desktop icon creation.
• If multiple feed-in tariffs are selected, they are sorted by start date.
• Searching in the consumption database is now possible.
• Text fields (e.g. on project data page) now with context menu for copy, paste etc.
• Note on changed observation period in the cash flow table when loading older projects located outside Germany.
• The update display window now informs about the used and available version and shows the current release notes (takes effect from next update).

The following bugs have been fixed:

• Disappearing windows in 4K monitor setups that caused the program to become unusable.
• Crash when starting PV*SOL in old .NET version (.NET 4.0.30319).
• Installation crashed when using personal folders on network drives. User now receives corresponding message.
• The operating mode for parallel connection of MPP trackers was sometimes not set correctly.
• Error in thermal simulation.
• Climate data locations from Meteonorm with incorrect annual global radiation sum.
• Display of cloud when switching to inverter page if no inverters were in the inverter selection.
• Tab order in the inverter window was corrected.
• When the program language was Turkish, the country names were not displayed in Turkish.
• SolarEdge rule to consider OverPower corrected.
• Text input fields with HighDPI error replaced.
• Crashes when creating project report due to access violations.
• Crash when importing old user-defined load profiles into the consumption database.
• Crash when displaying east-west polystring systems where only the second MPP tracker was logged.
• When not planning in Germany, the cash flow table now no longer displays one year more than the assessment period.
• For heating rods with fixed power levels, certain power levels were not used under certain circumstances.

The following new features and changes are included:

• New project report languages Slovenian, Ukrainian, Georgian and Romanian.
• Verification that the program windows are in the visible area.
• In the tariff database, the current tariffs are now displayed first by default.
• Inverter AC currents are now also logged and can be displayed as a characteristic curve.
• High DPI scaling detection has been improved.
• Improvement of the validation of PAN files.
• Grid feed in the first year with degradation is now also persisted.
• New configuration rules for SolarEdge.
• Maintenance end is uniquely formatted and can be copied.
• Improved results of automatic configuration, for jointly interconnected module areas.
• Formatting of module area data in the project report has been adjusted.
• Diagram "Coverage of total consumption" for DC batteries has been revised.

The following bugs have been fixed:

• Crash in the unbalanced load check with "Project New".
• AC grid voltage is now always rounded to a integer.
• Simulation:
  • DC charge controller: The power requested by the battery plus the available PV power must not be higher than the maximum inverter power.
  • MPP tracker: If the maximum DC current was exceeded, it could be that the new operating point was far below I_DC,Max due to voltage limits.
  • Heating rod: With stepless control, the correct maximum power was not calculated under certain circumstances.
  • Batterie-System: Seltener Fehler beim Ermitteln der Ladeleistung für Boost/Full/Equal-Ladungen behoben.
• Crash with overview plans with unfavorable aspect ratios.
• Crash when loading the project list of the recent used projects.
• When changing the climate location (country), the feed-in concept was sometimes incorrectly set to "Full feed-in".
• Error when importing consumption profiles if only one month was loaded, e.g. January.
• Bugfix for climate locations on the Isle of Man.
• Bugfix when opening the consumption dialog.
• Translation corrections (Italian, Czech, Portuguese).
• Crash at first program start after installation in correlation with virus scanners.
• Crash if an invalid presentation template was imported.
• In some rare cases, an operating system language not localized by PV*SOL was incorrectly set as the program language, resulting in many "XXX" texts in the program interface.
• Error in the automatic SolarEdge configuration.
• Fixed GUI freeze when creating new climate datasets if PVGIS server is not responding.
• Correction of PVGIS datasets for southern Brazil with SARAH as source.
• Corrected climate data name for Kaliakra (Bulgaria).
• Possible problems at first program start in interaction with virus scanners.
• Battery system: Rare error when determining the charging power for boost/full/equal charges fixed.

The following new features and changes are included:

• The main process is now available in 64bit.
• New climate data:
  • PVGIS
  • Solcast
  • Meteonorm 8.1
• Horizon:
  • Import of PVGIS horizon lines.
  • Display of cross-hemisphere sun position lines improved.
• Import of module files in *.PAN file format.
• Automatic configuration:
  • Automatic configuration of SolarEdge products now with selection of inverters, Power Optimizers and layout (1x1 or 1x2).
  • Improved results for co-located module areas.
  • Strings are arranged by module area.
  • Revision of the dialog.
• Presentation:
  • Start of Operation date can be deselected.
  • Own pictures can be added to the presentation.
  • Diagram of the defined demand is now available in the presentation.
  • Any diagrams (time series, carpet plots and characteristic curves) from the diagram editor can be added to the presentation.
  • Better support of international character sets when generating pdf files.
  • Display of power optimizer data sheets.
  • Adjustment of product data sheets.
  • Creation of presentation can be cancelled.
  • New language Bengali.
• Support of layers in *.dxf export.
• Database:
  • Sorting by "Selection", "Favorites" and "Suitable" is now possible.
  • In the manufacturer tree view can be navigated by keyboard input.
  • Consistency of the manufacturer selection marker improved.
• Display of decimal places revised.
• Module area results extended by irradiation with reflection losses.
• Dialog for reporting program malfunctions.
• Warnings about SolarEdge MPP configuration are now also displayed in the system check.
• Project comparison - header columns are now fixed.
• Quick access to recently used but not yet opened projects in PV*SOL on the welcome page.
• Configuration check: Rounding of the maximum current at the MPP tracker.
• Surplus consumer dialog now has a help button.
• Current and voltage tolerance in configuration set to 5% by default.
• For projects with consumption, the electricity production costs now take also into account the maximum feed-in power.
• Offgrid check: If technically possible, the system can be simulated even if the SMA-specific design rules are not fulfilled.
• Offgrid systems: load shedding is enabled by default.

The following bugs have been fixed:

• Projects with electric vehicles from versions prior to PV*SOL 2020.1 could not be loaded if "DC Chademo" charging technology was used.
• Crashes in the consumption dialogs.
• Various crashes in the project report.
• Fix for changing the product type when the node "All companies" is selected in the database dialog.
• Crash in the characteristic curves if the global radiation was not recorded due to too many module areas.
• Display of configuration message corrected if minimum MPP voltage is not reached.
• In the database dialog it is again possible to navigate in the company list by entering the first letters.
• In some cases, the circuit symbols were doubled in the circuit diagram.