A supply and control unit for electrical devices (7, 8, 9) of a production system comprising at least one host power supply and control device (1) being connected via a power and data transfer cable equipment (2) with said electrical devices (7, 8, 9) comprising power supply input ports (4, 5, 6), and at least one control and actuating device (3) arranged in situ with said electrical devices (7, 8, 9) to control an operational mode of said electrical devices (7, 8, 9) by carrying out a control command received from the host device (1) characterized in that at least one additional power source device (10) is arranged in situ with the electrical devices (7, 8, 9) comprising at least one flywheel energy storage being charged during charging periods linked to control commands that the operational mode of at least one electrical device (7, 8, 9) is to be started and being discharged to increase the power supply at input ports (4, 5, 6) of the electrical devices (7, 8, 9) that are being switched into the operational mode.