SciGRID_gas is a three year project funded by the German Federal Ministry of Education and Research (BMBF, http://www.bmbf.de/en/), Funding Code: 03ET4063. The authors of SciGRID would like to thank the many users for their feedback concerning SciGRID_gas data set. In addition would the authors of the SciGRID_gas would like to thank the original developers of the LK-deu data set, for supplying us with their data. Hence, if you use this data or any data set which incorporates this data, you are also obliged to cite the original authors of the LKD data as follows: Kunz et al. 2017, Data Documentation: Electricity, Heat, and Gas Sector Data for Modeling the German System.