Apparatus includes a segment loading indicator configured to be electrically coupled to a load segment output of a power supply, such as a UPS, and operative to provide an indication of a loading of the load segment output. For example, the segment loading indicator may be operative to provide an indication of a loading of the load segment output with respect to load rating of the load segment output. A UPS may include a loading indicator is coupled to a power output and operative to provide rear-panel indication of a loading of the power output.