PSS®E – high-performance transmission planning and analysis software

PSS®E – your high-performance transmission planning and operations software for the power industry

PSS®E is used in over

0 countries
  • and offers the distinct advantage of being one of the leading power transmission simulation and analysis tools in the world.

Product News!

Optimize your workflow with the new built-in local edition of the Model Management module

No longer waste valuable time or sacrifice model accuracy by manually maintaining your various case files, projects, changes, and more. PSS®E (34.7 and 35.1) now includes a new base functionality database that enables you centrally manage the various files and data required to build new cases. This new module enables you to (1) Easily build, store and manage all your case files directly in PSS®E, (2) Seamlessly record and track your changes, and (3) Start visualizing projects with an interactive timeline view.  


PSS®E software

Providing an industry benchmark for simulation results

PSS®E is used by planning and operations engineers, consultants, universities, and research labs around the world. PSS®E allows you to perform a wide variety of analysis functions, including power flow, dynamics, short circuit, contingency analysis, optimal power flow, voltage stability, transient stability simulation, and much more. 

Find your application

Improve efficiency and ensure reliability

Powerful, customizable, and fully-featured software

PSS®E standard features

  • Fast and robust power flow solution for network models of up to 200,000 buses
  • Lightning-fast steady-state contingency analysis, including automatic corrective actions and remedial action system modeling
  • Full node-breaker support for detailed modeling of substation topology
  • Automated PV/QV analysis with plot generation
  • Powerful program automation and customization with fully-featured Python® API
  • Balanced and unbalanced fault analysis and contingency analysis (deterministic and probabilistic)
  • Comprehensive power flow and dynamics model library, including emerging technologies such as advanced FACTS devices and wind turbines
  • Code-based, user-written model building
  • Powerful, easy-to-use integrated plot facility
  • Graphical construction of user-defined controller models
  • Local Model Management functionalities to enable a user to seamlessly manage the various files (base case, network models, project changes, etc.) required to build new cases. 

Enhance and customize your PSS®E base package with a variety of optional add-on modules!

Modeling and data exchange / interface modules

Analytical modules

Enhanced performance / workflow-speedup modules

PSS®E updates

What's new in PSS®E?

You asked - we listened. The latest PSS®E releases introduce new features inspired by user ideas from the PSS® Ideas Portal and industry feedback.
Learn more about the latest PSS®E releases

User Support Page

Downloads and support

Learn more about PSS®E

Would you like to know more about our transmission planning and operations software? Here you’ll find all the latest PSS®E materials including brochures and datasheets as well as customer support information.

PSS®E in action

Customers all over the world benefit from our high-performance transmission planning and operations software for the power industry.


We are happy to answer all your questions

When it comes to power transmission planning and operations – the stakes are high and there are multiple factors to consider. Contact us to learn how PSS®E can help you address your transmission system analysis and planning needs.

Interested in implementing PSS®E?

Contact us

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