Prequalification of resources, Bidding for day-ahead balancing services, Bidding for CM and VC services and Balancing Service Provider (BSP) on the Flexibility Platform are System Use Case developed by the Polish Demo in OneNet Project. Prequalification of resources provided by Flexibility Service Providers to support flexibility services in the Polish demo, Managing flexibility delivered by DER to provide balancing services to TSO, Event-driven Active Power Management for Congestion Management and voltage control by the DSO and Balancing Service Provider on the Flexibility Platform are Business Use Cases developed by the Polish Demo in OneNet Project For information on the Polish Demo in OneNet, see D10.2: Report on selection of services https://zenodo.org/records/6594329. For information on OneNet’s System Use Cases, see D5.1: OneNet Concept and Requirements https://zenodo.org/doi/10.5281/zenodo.5929317 For information on OneNet’s Business Use Cases, see D2.3: Business Use Cases for the OneNet https://zenodo.org/doi/10.5281/zenodo.5926010.