Provided is a method, device and system for outputting a controller setpoint for at least one power generator that is at least one wind power installation, at least one windfarm, or a cluster controller. The method includes receiving, over a data input, a data packet including a current setpoint and a plurality of future setpoints, storing the future setpoints of the received data packet in a memory, and outputting, over a data output, the current setpoint as the controller setpoint. If after the expiration of a predefined time period from the reception of the data packet, no further data packet is received, a first setpoint of the stored plurality of future setpoints is output over the data output as a next controller setpoint.
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