Lisbon, June 2025 — The U2DEMO project took center stage at the 21st International Conference on the European Energy Market (EEM25), held in Lisbon from May 27–29. As one of Europe’s premier forums for exploring the future of energy markets, EEM25 brought together leading researchers, policymakers, and industry experts to discuss innovations in renewable integration, market design, and smart grid technologies—making it a fitting stage for presenting U2DEMO’s latest research on decentralized energy trading with electric vehicles (EVs).
Diogo Antunes (Instituto Superior Técnico | INESC ID), in collaboration with Tiago Soares (INESC TEC) and Hugo Morais (INESC ID), presented a groundbreaking paper and poster introducing a community-based peer-to-peer (P2P) energy market model supported by a distributed optimization approach. Leveraging the Alternating Direction Method of Multipliers (ADMM), the model enables consumers to locally trade electricity while integrating renewable energy sources (RES), distributed energy resources (DER), and EVs—respecting network constraints and protecting data privacy.
Tested on a realistic 33-bus medium-voltage distribution network using actual MIBEL market prices and 21 EVs, the system demonstrated:
- Performance close to a centralized benchmark, with just a 9.12% relative error
- EVs playing a dual role, discharging strategically during peak periods to reduce grid imports
- Scalability, low communication overhead, and enhanced participant privacy
Innovations such as the Relaxed Branch Flow Model (RBFM) and Residual Balance techniques helped manage grid constraints and improve convergence efficiency.
Funded by the European Union through U2DEMO and ENPOWER, this work underscores the value of citizen-centric, decentralized energy systems that are both efficient and resilient—empowering communities to take charge of their energy futures.
For more information about the conference, visit EEM 25.
Find the paper here and the poster here.
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