Demo 4 — Belgium

Innovating energy management in Martelange

Interactive residential district with bidirectional power-to-heat and thermal storage capabilities

Electricity, Heat

Partners involved

The Belgian demo in Martelange aims to showcase Europe-wide innovation in efficient and interactive energy management in residential districts. It will combine a bi-directional thermal power processing hub with seasonal energy storage capabilities, enhanced by the advanced operation and control functionalities of a dedicated smart digital energy management platform. Therefore, this demonstrator will allow to optimize the utilization of energy and improve the interoperability of buildings with their energy ecosystem.

Martelange is set to illustrate how multifamily and commercial buildings, coupled with PV generation, e-mobility, geothermal heat pumps (GHP), climatic seasonal storage (CSS), and a reversible heat-to-power (H2P) conversion system, can significantly improve energy utilization, creating economic and social benefits to families, as well as acting as building-to-grid integrator for providing reliability services to the power grid.

Through this demo, abandoned underground shale mines will be valorized, offering multiple storage services to its energy ecosystem. An Energy Digital Twin model and AI-based algorithms will be used to optimize on-site renewable energy consumption and grid services participation, with respect to operational constraints and the comfort of the residents.

  • Maximize on-site renewable energy self-consumption;
  • Integrate long-term heat/cold storage for seasonal needs;
  • Support building-to-grid integration to provide flexibility services to the TSO/DSO;
  • Provide cold energy storage to productive processes in industrial buildings;
  • Optimize EV fleet charging; 
  • Provide peak shaving to the local DSO.
  • Abandoned mines with enormous thermal capacity as CSS;
  • Organic Rankine Cycle (ORC) of 50 KWe /500 KWth capacity;
  • Local district heating network with controllable distribution components; 
  • High-efficiency geothermal heat pump (GHP); 
  • PV power plant hosting with a capacity of +- 2 MW;
  • EV capacity infrastructures;
  • Global Integrated Platform (GIP) for individual/global thermal and electricity management.
  • Improve energy utilization in buildings thanks to the flexibility of a Carnot battery;
  • Offer residents and building managers new income streams through provision of services to the grid operator;
  • Enable user-friendly mechanisms that allow building occupants and energy managers to interact with energy and service markets;
  • Improve business models for potential renewable energy plants;
  • Revitalize abandoned mines as CSS for energy services and demonstrate the effectiveness of seasonal storage in district energy management;
  • Provide decarbonated thermal energy and electricity to building inhabitants;
  • Increase the penetration of renewable energy in the grid.

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