Self-propelled operating machine

An operating machine comprising:

• an electrical system,
• a plurality of user devices powered by the electrical system, including at least one electric motor-set up to supply the power requested by one or more other user devices,
• at least one device for storing the electrical charge connected or connectable to the system and set up to supply the user devices of the machine, and
• at least one control element which can be operated by an operator to control the operation of one or more user devices and an electronic processing unit comprising a power management module-configured to adjust a power supplied to the user devices as a function of at least one safety threshold of a power which can be supplied by the storage device;
• wherein at least one electricity generator unit connected or connectable to the electrical system is provided, and
• wherein said power management module is also configured to adjust the operation of the electricity generator unit in such a way that it can supply the storage device and/or the user devices, by means of the above-mentioned system, on the basis of a power requested by the user devices.