An electronic plan-o-gram system and method for determining plan-o-gram data are provided. In accordance with the method, identifiers associated with each of more than one product located in at least one storage area in a storage facility are sensed and a product type and product location of each product is determined based upon the sensed identifiers. A configuration of the at least one storage area in the storage facility and a location of each product in the storage facility is determined based upon the configuration and the determined product locations. A plan-o-gram data is stored indicating the location of products in the storage facility.