Together with Oliver Wyman, we recently completed a study on the impact of e-mobility on the stability of German electricity grids. The Handelsblatt and various other newspapers are reporting on it:
http://www.handelsblatt.com/my/unternehmen/industrie/boom-belastet-stromnetz-blackout-gefahr-durch-elektroautos/20866160.html
http://www.spiegel.de/wirtschaft/soziales/elektroauto-deutschland-auf-boom-nicht-vorbereitet-a-1189186.html
http://www.businessinsider.de/stromausfall-e-autos-koennten-netz-zum-erliegen-bringen-2018-1