MV feeder voltage control and HV/MV transformer overload are Business Use Cases developed by the Hungarian Demo in OneNet Project. For information on the Hungarian Demo in OneNet, see D10.2: Report on selection of services https://zenodo.org/records/6594329. and D10.3 Report on development of integral market platform https://www.onenet-project.eu//wp-content/uploads/2023/03/OneNet-D10-3_final.pdf 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.