DIGITAL ENGINEERING COALITION FOR ENERGY SYSTEMS INNOVATION. THE OVERARCHING GOAL OF THE PROPOSED EFFORT IS TO DEVELOP AND DEMONSTRATE THE DIGITAL TWIN SYSTEM OF A 300 KWTH HIGH-PRESSURE MUNICIPAL SOLID WASTE (MSW)-BIOMASS FLUIDIZED BED CO-GASIFIER. THE PROPOSED EFFORT WILL EXPERIMENTALLY VALIDATE THE FIDELITY OF THE GASIFIER DIGITAL TWIN SYSTEM FOR OPTIMUM HYDROGEN YIELD AND REDUCED EMISSIONS FOR VARIOUS FEEDSTOCKS AND OPERATING CONDITIONS. A MAJOR GOAL WILL BE TRAINING THE STUDENTS OF THE HOST AND PARTNER INSTITUTIONS ON CORE DIGITAL SKILLS, SYSTEM DEVELOPMENT AND OPERATION.