PSI Software AG engages in the development and integration of software solutions for the optimization of the flow of energy and materials for utilities and industry. It operates through the Energy Management and Production Management segments. The Energy Management segment offers solutions for grid management and for trade and distribution in liberalized energy markets. The Production Management segment comprises software products and solutions for production planning, production control, and logistics. The company was founded on May 12, 1969 and is headquartered in Berlin, Germany.