1. Institute for Technology Assessment and Systems Analysis KIT – ITAS 76021 Karlsruhe Germany
2. Institute for Applied Materials – Energy Storage Systems KIT – IAM‐ESS 76344 Karlsruhe Germany
3. University of Alcalá (UAH) Department of Economics Alcalá de Henares 28801 Madrid Spain
4. Helmholtz‐Institute for Electrochemical Energy Storage KIT – HIU 89081 Ulm Germany