We started a collaborative project to download, process, validate and publish the data from Markstammdaten (MaStR). Feel free to use and and link it: https://github.com/OpenEnergyPlatform/open-MaStR https://reiner-lemoine-institut.de/datenveroeffentlichung-aus-dem-marktstammdatenregister-der-bundesnetzagentur/ https://reiner-lemoine-institut.de/en/data-publication-from-the-market-master-data-register-of-the-federal-network-agency/ The dataset is available [here](https://zenodo.org/record/6807426) on Zenodo as a data package (CSV files with extensive metadata).