ECLIPSE (Energy Consumption Reduction based on Open-source Reference Framework) is co-funded by the European Commission under the Digital Europe Programme (Grant No. 101158494). Its central ambition is to develop a Common European Reference Framework (CERF) for energy consumer applications — an open-source, interoperable infrastructure enabling residential customers to participate in demand response and flexibility markets. The project spans 17 EU countries, involving 10 DSOs and TSOs, 2 retailers, and 8 energy R&D firms. Digital4Grids joined the consortium as the technical aggregation partner for the French pilot, working alongside dcbel (home energy station provider) and Voltalis (one of Europe’s leading demand response operators). This collaboration builds directly on Digital4Grids’ prior work in EDDIE on dataspace interoperability and standardised flexibility data exchanges.
The French pilot focuses on monetising flexibility from two residential DER types: V1G/V2G EV chargers and home batteries (dcbel), and heat pumps connected to smart thermostats (Voltalis). It is deployed across five real homes and ten digital twins, all operating under a common Voltalis / Digital4Grids / dcbel interoperability schema.
Digital4Grids’ D4G Insights platform acts as the the technical aggregation layer, consolidating data from Enedis Linky smart meters and dcbel home station submeters. All data exchanges are designed “ready to scale,” aligned with IEC 62746-4 / CERF message formats covering baseline nomination, flex bid activation, telemetry streaming, and post-event settlement. A key innovation is the integration of AI-based energy forecasts and DER-centric baseline computations, enabling more accurate and robust bottom-up flexibility offers.
The pilot aims to demonstrate that heterogeneous behind-the-meter assets — EV chargers, home batteries, solar PV, and smart heating — can participate coherently in ancillary services (FCR, aFRR, mFRR) and energy markets through a single standardised framework. A key output is a quantified residential business case: a 10 kW flexible home station is estimated to generate around €1,000 in annual flexibility revenue against a €4,000 energy bill, providing a concrete investment incentive for prosumers. Transparent settlement mechanisms built into the IEC 62746-4-aligned exchanges ensure verifiable revenue attribution across all actors. More broadly, the pilot establishes a replicable blueprint for collaborative business models bridging consumer energy management, VPP operation, and flexibility market participation through open, standardised infrastructure.
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