A new research paper co-authored by U2Demo contributor Aníbal Sanjab (VITO) was recently presented at the Power Systems Computation Conference (PSCC) 2026, addressing one of the key challenges of the energy transition: effective coordination between Transmission System Operators (TSOs) and Distribution System Operators (DSOs) for flexibility management across voltage levels.
As Europe’s electricity system becomes increasingly decentralized, the number of distributed energy resources connected to distribution networks continues to grow. Electric vehicles, renewable energy generation, battery storage systems, and flexible demand are creating new opportunities to support power system operation. However, unlocking the full value of these resources requires closer collaboration between TSOs and DSOs.
Key Topics Addressed in the Research
The paper, TSO-DSO Coordination for Flexibility Management Across Voltage Levels, provides a comprehensive overview of the technical, market, and technological aspects of flexibility management. It examines how flexibility can be coordinated across transmission and distribution networks to improve system reliability, support renewable energy integration, and increase overall grid efficiency.
The research explores several key themes, including:
- Flexibility sources, constraints, costs, aggregation, and control;
- The role of flexibility in network expansion planning and power system operation;
- Design approaches for coordinated TSO-DSO flexibility markets;
- Technological enablers such as data exchange platforms, communication infrastructures, advanced control-room tools, and OT/IT integration.
The work also reviews practical approaches and experiences from different regions around the world, highlighting both existing practices and future research needs. As flexibility markets continue to evolve, coordinated frameworks between system operators will play a crucial role in maximizing the benefits of distributed energy resources while maintaining secure and resilient grid operation.
How U2demo Contributes
Anibal Sanjab presented the paper at PSCC 2026 in an invited session alongside Gustavo Valverde and Florin Capitanescu. The publication is the result of a collaborative effort involving researchers and experts from academia and industry, including Christian Rehtanz, Gianluigi Migliavacca, Zhengshuo Li, and Innocent Kamwa.
For U2Demo, this research aligns closely with the project’s vision of enabling smarter, more flexible, and user-centric energy systems. The growing participation of distributed flexibility resources, including electric vehicles and other demand-side assets, underscores the importance of developing effective coordination mechanisms that can support both grid operators and energy consumers.
We are proud to see the contribution of Anibal Sanjab and the recognition of U2Demo in this important research effort and look forward to sharing the paper once it becomes publicly available.
Stay tuned for more updates on the publication and its implications for the future of flexibility management and smart grid operation.
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