An inverter system control (ISC) module is provided. The ISC module includes a housing having an upper cavity, a lower cavity, a fluid inlet, a fluid outlet, and a divider wall extending in a plane between the fluid inlet and the fluid outlet. The inverter system further includes a power module secured within the upper cavity to define an upper fluid chamber with the divider wall, and a capacitor assembly secured within the lower cavity to define a lower fluid chamber with the divider wall.