OMRES is a project at the forefront of Europe's green energy transition, targeting the seamless integration of zero-emission power technologies into the existing power system. The project's core objective is the development of digitalized operating and maintenance solutions for hybrid renewable energy sources (RES) systems, including storage, with a focus on enhancing technology performance and contributing to zero-emission power production. Scientifically, OMRES aims to achieve several key objectives: (a) advancing RES power forecasting models through atmospheric modeling for improved energy yield prediction accuracy, (b) designing fault diagnosis and lifetime extension tools for power electronics inverters to enhance the overall reliability of RES, (c) developing bidding and control strategies to optimize the operation of hybrid RES sites, maximizing profitability and offering ancillary services in both Grid Forming and Grid Following modes, and (d) implementing a real-time digital twin framework with enhanced data analytics for the validation of OMRES solutions in operational environments. By tackling challenges arising from the ongoing clean energy transition, including RES integration issues, cost reduction, and improving the reliability and lifetime of RES-storage systems, OMRES leverages digitalization to develop advanced solutions aligned with Transition Initiative 2 goals. This project is poised to make significant contributions to overcoming challenges associated with the integration,
