Psse Latest Version Updated Here
The latest PSSE is no longer just a "simulator"; it is a . The ability to co-simulate electromagnetic transients (EMT) with fundamental frequency (RMS) in the same environment closes the gap between planning and operations.
| | Release Date | New Features & Key Enhancements | | :--- | :--- | :--- | | 36.0.0 | December 2023 | Initial release of Version 36 introducing VINDP architecture and model conversion tool. | | 36.0.1 | by April 2024 | Program corrections, security enhancements, and deprecated functionality. | | 36.0.2 | by August 2024 | Further program enhancements and security updates. | | 36.1.0 | by December 2024 | Significant enhancements, including new dynamic models, and program corrections. | | 36.2.0 | December 2024 | Added "Ahal Ideas Portal" for user feedback, further security & program enhancements. | | 36.3.1 | by September 2025 | Updated Intel oneAPI runtime to version 2025.1.0, introducing support for the Intel IFX Fortran compiler (successor to Intel IFORT). | | 36.4 | by March 2026 | Added new inverter control models: REGFMC1 (hybrid GFM/GFL) and REPCGFMC1 (plant controller). |
The entire industry is currently undergoing a coordinated transition towards PSS/E version 36. Major system operators are leading the charge, setting firm deadlines. For instance, the Australian Energy Market Operator (AEMO) has a hard deadline of , after which it will no longer accept PSS/E v34 models, requiring all connections to submit v36-compatible source code and DLLs. Similarly, the Electric Reliability Council of Texas (ERCOT) is transitioning from v35 to v36, requesting that v36-compatible models be provided by June 1, 2026 .
: A major upgrade introduced in the V36 series and solidified in V37 is the support for Version-Independent compiled code ( .dll files). Previously, when an engineering firm or utility upgraded their PSS®E software, all custom User-Defined Models (UDMs) had to be recompiled using specific Fortran compilers to match the new software release. The latest engine eliminates this requirement, allowing dynamic UDM DLLs created in modern versions to run seamlessly across future releases without code modifications. psse latest version
The hardware requirements have increased slightly due to the expanded Python integration and graphical enhancements.
The latest evolution of PSS®E represents a massive leap in usability, speed, and intelligence, aiming to address the limitations of older versions (such as the now-retired V35 series). 1. AI-Based Planning Tools
Save files ( .sav ) from PSSE 34 are forward-compatible with version 35. However, backward compatibility is not supported —you cannot open a version 35 save file in version 34. Always keep backups. The latest PSSE is no longer just a "simulator"; it is a
Is your organization transitioning to , or do you prefer traditional on-premises licensing ?
Disclaimer: Software versions evolve rapidly. Always check the official Siemens PTI portal for the absolute latest build number and patch notes specific to your operating system (Win11/Linux).
Pro tip: Even within the "latest" version, Siemens releases monthly patches. Version 35.8 includes critical fixes for state estimation divergences that existed in 35.0. | | 36
The latest version exports to Matpower 7.0 and IEEE Common Data Format (CDF) without data loss. If you are using GridLAB-D or OpenDSS for distribution, the co-simulation interface is finally plug-and-play.
Support officially concluded with the release of version 35.6.4. Maintenance Mode
: Highly recommended starting points include the PSSE Introduction to Dynamic Simulation for scripting and the Siemens PSSE Explore trial for students working on networks up to 50 buses [20, 23].
: Depending on your needs and the licensing model Siemens uses for PSSE, you might be able to download the latest version directly or you might need to purchase it or request a trial.