* * *  Critical security vulnerability in Log4J   * * *


On 12/10/2021 the BSI (German Federal Office for Information Security) reported a security issue rated as critical under the flag CVE-2021-44228

- see also press release of the BSI  (available in German only) -

PSI has installed the necessary hotfixes. The final patches will be rolled out according to the normal update processes. PSI is thereby returning to the normal software support process.

Powerful systems and software for monitoring, control, and optimization of energy network - ready for the smart grid!

PSI Software AG develops intelligent solutions for efficient support of the daily operations of utilities. Flexible use for various utility types. Maximum performance and intuitive operation.


Holistic network control system
for utilities, railways,
and industry

Field force management system
(operations management) for
grid operators & industry

Network utilization management
for grid operators in
decentralized energy markets

Always on the cutting edge, we are delivering today the future solutions for

Transport networks | Distribution networks and municipal utilities | Industrial networks
Traction power networks | Combined energies networks

After more than 50 years of experience in the energy industry, our software is used around the world. About 90 % of the large and medium transmission and distribution system operators in Germany rely on our software.

For you on-site

26 Jan 2022 - 28 Jan 2022 DISTRIBUTECH
30 May 2022 - 02 Jun 2022 Hannover Messe 2022


Our official customer magazine informs you about the latest developments of our software solutions. 

  • PSI EnergyLab

    Targeting innovative technologies


    Whether Smart Grids, Big Data, Artificial Intelligence – we transfer the potential of new technologies to the business requirements of energy suppliers. 


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Carreer at PSI EE

Smart People for Smart Software

We provide numerous opportunities to new and experienced professionals to contribute in the sales and development of our products and services.

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Piktograms: E-x-3 Creating Images GmbH, Font Awesome by Dave Gandy