The TGL project questioning the governance of the energy transition in law. It first raises the question of the actor’s energy transition, thus of an energy democracy: should States be the only ones to participate in this transition? International, EU or French Law, enlightening the necessity of all actors, public and private. Then the case of NGO appears clearly as one of most important, as they can act in compliance with law as responsible partner of states and wide public. The TGL project intends to check and verify whether this involvement is lead and be effective through mechanisms putted in place by states. In such a case, how the practice of NGOs in renewable energies system reflects their role. However, the project will consider the ambivalent role of NGOs especially when it comes to lobbies for sensitive issues. First, the project will identify the functions and the role, then this will be examining.