An electrical service interface system include a configurable device and inverter mounted to an equipment tower, wherein each of the configurable device and inverter include alignment devices configured to rollably mount the configurable device and inverter to corresponding guides mounted to a support pad, and to align the configurable device to the inverter, and the inverter to the equipment tower. In an installed configuration, the configurable device electrically and mechanically couples to the inverter via a DC connector and one or more mounting systems, and the inverter mechanically and electrically couples to the equipment tower via an AC connector and one or more mounting systems.