The INET_Filled dataset is a collection of open source European gas transport data produced by SciGRID_gas team. This dataset contains original SciGRID_gas INET_raw dataset. All empty values have been estimated by heuristic processes and filled into the dataset. It contains data about 60.000 km of European transport pipeline network as well as storages, production, lng terminals, entry points, interconnection points and compressors.
You can download the dataset and the documentation of INET_Filled from Zenodo