IBERDROLA, second largest energy producer of Spain, is building up 15 new combined Cycle Power Plants around the world. By means of OSI Software tools, primarily PI Server and IT Monitor, IBERDROLA is increasing the availability and reducing the maintenance costs of these power generation assets. In this session you will see what IBERDROLA is, how OSIsoft software tools fit IBERDROLA requirements, and how IT Monitor plays a key role keeping ROI ensured. A layout (UNE 71502 compliant) of a secure environment for joining a corporate network and plant network will be presented.