@techreport{PedersenHoppmannBaumZitteletal.2021, author = {Jaap Pedersen and Kai Hoppmann-Baum and Janina Zittel and Thorsten Koch}, title = {Blending hydrogen into natural gas: An assessment of the capacity of the German gas grid; Technical Report}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {21-21}, language = {eng}, year = {2021} }