EP Produzione is the Italian electricity generation company of the Czech energy group EPH. PI System has been deployed across the different sites (4 gas and 1 coal-fired plants), and AF allowed to standardize all the assets and KPIs within the organization. PI Vision is widely used for the data visualization from any device, from plant operators, engineering and top management. Main topics that will be presented are: - Introduction of the company - Architecture - Data management and Data Visualization: process book use in Power Plants by operation and maintenance staff - production efficiency, imbalance analyses, transformers monitoring, reports and dashboards, mobile displays.