PSS®E
PSS®E: A deep transmission-analysis suite for organizations that need advanced network studies. Ranked #9 of 41 in Electrical Design Software by our editors (8.0/10); pricing: Paid; best for enterprise transmission-system analysis.
At a glance
- Editor score8.0 / 10
- PricingPaid
- Best forEnterprise transmission-system analysis
- Free planNo
- Paid from$3,830/device/mo
- Schematic captureNo
- Founded1847 · Munich, Germany
- Facts checked21 Sep 2026
Where it wins
- Covers power flow, contingencies, stability, faults, and optimal power flow
- Supports networks up to 200,000 buses and node-breaker substation modeling
- Adds Python scripting, open APIs, and automation-focused analysis tools
Where it doesn't
- Starts at $3,830 per device per month with no free plan
- Focuses on network analysis rather than schematic capture or panel design
- Desktop deployment is tied to a physical PC for the listed PSS®E v36 license
Our verdict on PSS®E
PSS®E is Siemens software for transmission planning, operations planning, generation planning, and interconnection studies. It is aimed at utilities, planning and operations engineers, consultants, universities, and research laboratories that need to model and analyze large electric power systems. Its study coverage includes power flow, contingency analysis, voltage stability, short-circuit and fault analysis, dynamic and transient stability, optimal power flow, harmonics, and time-series power flow. The published feature set also includes a graphical user interface, Python scripting, open APIs, node-breaker substation modeling, and extensible dynamic-model libraries.
Pricing is structured across four paid monthly tiers, billed per device. Base costs $3,830 per device per month and includes power flow, contingency analysis, voltage stability analysis, transmission reliability assessment, Python scripting, and the graphical interface. Standard costs $5,940 and adds Line Properties, short-circuit analysis, and dynamics simulation. Advanced costs $9,900 and adds Python RAS, optimal power flow, geomagnetically induced currents, and advanced linear analysis. Expert costs $13,070 and adds harmonics and time-series power flow. According to Siemens' PSS®E v36 subscription page, pricing may vary by region.
The main reason to choose PSS®E is analytical depth for large transmission networks, including automatic corrective actions, remedial-action-scheme modeling, stability studies, and automation through Python and APIs. Its scope is specialized: it addresses advanced electrical simulation rather than schematic capture or panel design, and the listed deployment is desktop. The listed PSS®E v36 license is bound to a physical PC, while Siemens separately offers PSS E SaaS. Organizations seeking detailed transmission-system analysis should consider it; teams primarily designing schematics or panels should choose a tool built for those workflows instead.
Your product? Our editors can test PSS®E in depth and publish a review, labelled as paid · from $149/mo →
PSS®E pricing
All 4 PSS®E plans and prices →
PSS®E fact sheet
| Free plan | No |
|---|---|
| Paid from | $3,830/device/mo |
| Schematic capture | No |
| Panel design | No |
| Electrical simulation | Advanced |
| Standards libraries | No |
| MCAD integration | No |
| Deployment | Desktop |
| Deployment | Desktop |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Pricing | Paid (source) |
| Website | siemens.com |
| Facts checked | 21 Sep 2026 |
Alternatives to PSS®E
- ETAPA broad electrical engineering platform for modeling, analysis, field workflows, and automation.8.9
- Trimble Electrical DesignerA standards-focused suite for calculating, validating and reporting electrical system designs.8.8
- EPLAN Electric P8A broad ECAD tool for structured electrical documentation and production workflows.8.7
Also Ranked In
PSS®E is ranked in 2 of our directories.
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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