There are many dialogues going between different stakeholders. The "Hochschultage" of the Sustain It Initiative are a good example for such stakeholder dialoges. You can find the documentation of the Hochschultage here:
The project aims to analyse how stakeholders deal with the problem, and which kinds of barriers and channels do exist when behavior modification is suggested.
REALISE FORUM (Renewable Energy and Liberalisation in Selected Electricity markets–Forum) attempted to establish a basis for coherence for national renewables policies in the view of a possible harmonisation or coordination of financing mechanisms and support scheme for RES-E.