A rotating electric machine for driving a drive object includes a heat sink having a cavity on a first face, a power module disposed on the heat sink for switching a power supply for the winding, a power wiring part disposed on the first face of the heat sink and electrically connected to the power module for flowing a drive electric current to the winding, a control wiring part disposed on a second face of the heat sink and electrically connected to the power module for flowing a control electric current that controls the power module, and at least one electrolytic capacitor disposed in the power wiring part and housed in the cavity, thereby preventing an abnormality of the electrolytic capacitor from causing an abnormality of the control wiring part.