Renewable generation projects were initially conceived as projects based on a single technology, whether wind, solar, or another. With the passage of time and the appearance of other technologies compatible with these, such as storage systems and hydrogen, the complementarity of their joint operation in many locations has been demonstrated, as well as their profitability.

For the operation as a whole of the different technologies/manufacturers that can occur in a project, an interlocutor is needed to coordinate everyone, and to make the entire project operate in the most efficient way possible, while ensuring compliance.

the requirements of the power system operator (TSO). This interlocutor is the Power Plant Controller (PPC) , who performs functions in a hybrid generation project similar to those assumed by a conductor in an orchestra.