Technology powering flexibility: BeFlexible presents its final Technology Booklet
After four years of developing, testing and validating flexibility solutions across Europe, BeFlexible brings together its key technological outcomes in a single publication: the BeFlexible Technology Booklet.
The BeFlexible Technology Booklet publication provides a practical overview of the main technologies, digital platforms, operational tools and integrated solutions developed, adapted or validated within the project. It is designed as a practical entry point for DSOs, TSOs, aggregators, technology providers, researchers, regulators and potential adopters seeking to understand what each solution does, how it fits within the wider flexibility ecosystem, where it was demonstrated and what value it can provide.
The solutions presented in this booklet form part of the broader body of knowledge generated by BeFlexible throughout the project. Rather than presenting flexibility as a single technology, it reflects BeFlexible’s integrated approach: a combination of digital infrastructures, market mechanisms, grid-management tools and flexible resources working together across the energy value chain.
Explore the booklet and discover the technologies helping turn energy flexibility into practice!
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The BeFlexible technology ecosystem
BeFlexible validated flexibility as an end-to-end ecosystem: physical assets and customers are connected through control and aggregation layers to grid-management systems and energy markets, with a common data layer supporting interoperability. The ecosystem starts with flexible resources such as battery energy storage systems, combined heat and power units, heat pumps, electric storage water heaters, electricvehicle charging infrastructure, local generation and controllable building loads.
Local controllers and energy management systems convert the technical capability of these resources into measurable, schedulable and controllable flexibility. Aggregation and optimisation solutions then combine individual resources into portfolios that can respond to network or market needs. Virtual power plants, control algorithms and aggregated service platforms forecast availability, optimise dispatch and support participation in local flexibility and balancing markets.
Three demonstration environments provided complementary perspectives. The South-Mid Europe demo concentrated on DSO–TSO coordination, grid observability and controllability, and the electrical flexibility potential of water networks assets. The North Europe demo focused on scaling local flexibility markets, integrating flexible resources and demonstrating aggregated services. The South-West Europe demo validated an end-to-end ecosystem across Spain and France, combining customer-centric, gridcentric and cross-sector services.
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Flexibility does not scale through one technology alone
The central lesson is that flexibility does not scale through one technology alone. It requires clear and stable rules, incentives across the value chain, robust tools and mechanisms, and solutions that minimise effort and uncertainty for customers. The three demonstrations show how these elements can be combined in different regional and operational contexts.
The booklet therefore presents BeFlexible not as a catalogue of isolated prototypes, but as a set of interoperable building blocks. Their future value lies in how they can be selected, integrated and adapted to specific network needs, market arrangements and consumer contexts. Together, they provide a practical foundation for DSOs, TSOs, aggregators, service providers and communities seeking to make flexibility an operational part of Europe’s energy transition.
