PVSOL 2025

PVSOL 2025 2025.10

The design and simulation software for photovoltaic systems.

Download for Windows

About PVSOL 2025

With PV*SOL you can deisgn and simulate all types of modern PV systems. From the small rooftop system with a few modules to medium-sized systems on commercial roofs to solar parks with up to 100,000 modules - PV*SOL supports you with numerous tools for design and simulation. Choose the type of design that best suits you and your PV project! The detailed results provide information about the performance of your system at all times.
Whether calculating self-consumption, designing battery storage or integrating electric vehicles - with PV*SOL you can implement and present all customer wishes in no time at all.
You can use our extensive product database at any time. It currently includes over 21,000 PV modules, 5,100 inverters, 1,900 battery systems and many other products such as electric vehicles and performance optimizers. It is updated regularly by the product manufacturers themselves, so that you can always work with the latest data.
You can generate high-quality project reports for your customers that can be configured and edited as required. Circuit diagrams with the necessary safety devices can also be created, e.g. for submission to the relevant authorities.
The current feed-in tariffs are already available in our database for the calculation of economic efficiency. Supplemented with the information on the system costs, you will receive a detailed and meaningful economic analysis of the plant over 20 years.
This way you can get an initial offer in just a few minutes, which you can refine afterwards if the customer is interested.
Our technical support team and our online help support you with open questions and in our forum you can put more complex questions to our team and other users of PV*SOL and quickly receive an answer.

What's new in 2025.10

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.

Full release notes »

Technical details

PublisherValentin Software GmbH
Version2025.10
Release date2025-10-13
LicenseProprietary
Installer typeinno
Architecturex64
Package IDValentinSoftware.PVSOL.2025
Install scopeAll users

Install PVSOL 2025 from the command line

Install with Windows Package Manager
winget install --id=ValentinSoftware.PVSOL.2025 -e
Update to the latest version
winget upgrade --id=ValentinSoftware.PVSOL.2025 -e
Uninstall
winget uninstall --id=ValentinSoftware.PVSOL.2025 -e
Silent install with the offline installer
"setup_pvsol_2025_10.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-

photovoltaic

PVSOL 2025 version history

2025.8 Aug 4, 2025

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. …

2025.3 Feb 20, 2025

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. …

Frequently asked questions

Is PVSOL 2025 free?

PVSOL 2025 is proprietary software from Valentin Software GmbH. Check the publisher's license terms for pricing and usage rights.

What is the latest version of PVSOL 2025?

The latest version is 2025.10, released on Oct 13, 2025.

Is it safe to download PVSOL 2025?

The download button links to the official installer published on downloads.valentin.de, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with dc12e671ee4108a3debd84ca9f38e8270ce9b325b3fa23d975c8231c4805b685.

Which Windows versions does PVSOL 2025 support?

PVSOL 2025 runs on Windows and is available for 64-bit (x64) systems.

How do I install PVSOL 2025 silently?

Run the offline installer with "setup_pvsol_2025_10.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-, or install it with Windows Package Manager: winget install --id=ValentinSoftware.PVSOL.2025 -e --silent.

How do I uninstall PVSOL 2025?

Open Settings › Apps › Installed apps, find PVSOL 2025 and select Uninstall. From the command line, run winget uninstall --id=ValentinSoftware.PVSOL.2025 -e.