For mission-critical transmission planning, download PSSE 35.2 today. For production environments, wait for the first service pack (35.2 Hotfix 2, released March 2025) to stabilize the dynamic simulation engine.
The — 35.2 as of early 2025—represents a generational leap in power system simulation. From true 64-bit processing to grid-forming inverter models, Siemens PTI has addressed the most pressing needs of modern grid planners. However, the upgrade requires careful license management and model validation.
To get started with PSS/E 35.4, you can:
PSS®E v37 is slated for launch. It will immediately become the primary supported version of the ecosystem upon release.
With the shift to version 36 on Gridscale X, the technical requirements change. The legacy desktop software, particularly version 35 and earlier, was designed for a traditional PC environment. Unofficial guidance for PSS/E v34 suggests a . AEMO's technical factsheets for version 36 provide a clearer picture of the modern requirements:
PSS/E Latest Version (2026): A Comprehensive Guide to Siemens PSS®E 37/36
