This is a Sources Sought: The SCADA system is a centralized SCADA system with one master plant and six remote plants. There are 27 main generation units, 7 station service systems, and 7 switchyards total at the seven power plants. The equipment utilizes Siemens PCS7 operating system and Siemens PLC 400 Series. The operating system is PCS7 version 8.0 SP1 and is currently running version 8.1 SP1. The master plant, Table Rock Power Plant, is located at Branson, MO and the six remote plants are located as follows: Beaver Power Plant is located near Eureka Springs, AR. Norfork Power Plant is located near Mountain Home, AR. Bulls Shoals Power Plant is located near Mountain Home, AR. Greers Ferry Power Plant is located near Heber Springs, AR. Dardanelle Power Plant is located at Dardanelle, AR. Ozark Power Plant is located at Ozark, AR. The Corps has had consulting, training, and programming support agreement with Pigler Automation in the past.