PSS®E

Plans

Plan	Billed and limits	Price
Base	Subscriptions renew monthly unless canceled; each software-based license is bound to a physical PC. · 200,000 buses	$3,830 a month
Standard	Subscriptions renew monthly unless canceled; each software-based license is bound to a physical PC. · Includes Base · Line Properties · Short-circuit analysis · Dynamics simulation	$5,940 a month
Advanced	Subscriptions renew monthly unless canceled; each software-based license is bound to a physical PC. · Includes Standard · Python RAS · Optimal Power Flow · Geomagnetically Induced Currents · Advanced Linear Analysis	$9,900 a month
Expert	Subscriptions renew monthly unless canceled; each software-based license is bound to a physical PC. · Includes Advanced · Harmonics · Time Series Power Flow	$13,070 a month

As siemens.com lists them, read 21 Sept 2026. The maker's own page has the final word.