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.

CIGRE 2022 - Paris, Aug 28 - Sep 2

<de>coding the future of energy. Together.

Save the date for CIGRE 2022! We’d like to invite you to jointly explore how to decode the future of energy. So be excited and discover what we have prepared for you!

PSS®E Cloud

Reimagine Grid Planning with PSS®E Cloud

In the 1970s, PSS®E was the first interactive network simulation software to run on premise and now it redefines what is possible in Grid Planning. PSS®E Cloud combines your most trusted transmission planning tool with the power of the cloud. Visit the PSS®E Cloud website to learn how users in U.S. and Canada can now unlock scalable computation power, secure collaboration, flexible remote working, and more!

Visit the PSS®E Cloud website

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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

PSS® User Group Meeting Website

Registration is open: North America Hybrid PSS® User Group Meeting

Join the PSS® community virtually & in person at the upcoming North America Hybrid PSS® User Group Meeting. Attend both parts to get the full experience:

  •  Part 1: Virtual | June 21 & 22, 2022
  • Part 2: In-Person | June 28 & 29, 2022 in Miami, Florida

Don’t miss this fruitful opportunity to enhance your knowledge of the PSS® portfolio, network with fellow users, and get your questions answered! 

Learn more and register

Event Website

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. 
Additional Modules and Tools

Extend your PSS®E capabilities

PSS®E optional add-on modules and companion extension tools are designed based on user needs. Learn more and request a free trial below.

Time-based Modeling with PSS®E Model Management Capabilities

Easily access network model management capabilities directly within the well-known user interface. PSS®E time-based modeling enables electrical utilities to efficiently manage expansion projects and grid changes overtime – resulting in increased accuracy of available data and network models.

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 PSS®E 35.3
Visit the 2021 U.S. and European PSS® User Group Meeting Recording Hub in Freshdesk to watch the latest recordings for PSS®E.

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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