The document discusses reference architectures in energy systems, emphasizing the role of data-oriented digital platforms and outlining the challenges in data management within the energy sector. It introduces initiatives like the ONENET project, aimed at transforming Europe's fragmented electricity system into a coordinated and efficient model, and highlights the importance of interoperability and consumer participation through an open architecture. Additionally, it touches on the integration of various stakeholders and the need for standardized interfaces to enable a functioning digital single market in Europe.