The second meeting of the Working Group on "System Dynamics for System Innovation" will take place on May 06. The aim of the second meeting is to present and discuss an early version of the POLYTRoPOS System Dynamics model by the JRC, applied to the case of renewable energy in the EU27 and to the twin challenge of effective deployment and production capability development through innovation. Working Group meetings are open to all interested experts and policy practitioners. To be invited please send an email expressing interest to JRC B7 SECRETARIAT.