Siemens updates Gridscale X and PSS E software

Key Takeaways

• Siemens has updated its Gridscale X platform to provide utilities with advanced digital tools for managing grid operations at scale
• The next generation of PSS E on Gridscale X introduces AI-based and agentic functions for transmission planning
• The updated platform aims to support utilities in managing increased electricity demand and complex system conditions
• Dutch network operator Alliander has seen significant improvements in grid coverage and IT landscape reduction after integrating with Gridscale X
• The latest release of PSS E on Gridscale X supports data center and large-load interconnection scenarios, with a redesigned cloud-native interface to streamline connection study workflows

Introduction to Gridscale X and PSS E Updates

Siemens has announced a significant update to its Gridscale X platform, a digital solution designed to support utilities in managing grid operations at scale. The update includes the next generation of PSS E, a transmission planning software that now features AI-based and agentic functions. This move aims to address the increasing pressure on utilities due to higher electricity demand and more complex system conditions.

The Need for Integrated Grid Management

The rise of electrification, data centers, and AI-related industries has led to increased load growth, while renewable energy sources have introduced variability to grid behavior. To manage these changes, utilities require a more integrated operating approach. A unified grid model and digital twin can provide system-wide visibility, supporting flexibility management, reducing operational risk, and enabling operators to run grids closer to technical limits.

Real-World Applications and Results

Dutch network operator Alliander, a Siemens partner, has seen significant benefits from integrating its applications with Gridscale X. Since the partnership began in 2024, Alliander has:

• Expanded medium-voltage grid coverage from 65% to 100%
• Migrated 85 applications to Gridscale X
• Reduced its IT landscape by 30%
  These results demonstrate the potential of a shared digital platform to support grid capacity planning and reduce system complexity.

Comparison of Gridscale X and PSS E Features

Gridscale X PSS E for Transmission Planning

The updated PSS E on Gridscale X introduces AI-based functions to support planning speed, transparency, and scalability. The software combines simulation tools, domain-specific automation, and a revised user interface to support planning studies, workflow execution, and decision-making. With over 2,000 open APIs, Gridscale X PSS E enables integration and automation, supporting digital twin-based planning.

Bottom Line

The updates to Gridscale X and PSS E demonstrate Siemens' commitment to providing utilities with advanced digital tools to manage the increasingly complex grid landscape. With its AI-based functions, redesigned cloud-native interface, and support for data center interconnection scenarios, the latest release of PSS E on Gridscale X is poised to help utilities streamline transmission planning and improve grid operations. As the energy landscape continues to evolve, the importance of integrated grid management and digital solutions like Gridscale X and PSS E will only continue to grow.