1. A input test data generation system to generate a test database to provide input test data to test a utility monitoring system, the input test data generation system comprising: an external database interface to access an external database, the external database including a plurality of categories of time-value data collected from an electrical device in an existing utility system; an importer for converting one of a plurality of categories of time-value data to a corresponding topic of a common data format; a device profiler coupled to the importer to create a test device profile including the converted topic; and a database profiler to create a test database profile representing a utility system output including a device defined by the device profile and including the category of time-value output data to provide input test data to test the utility monitoring system.