The Compressible fluid dynamics for Renewable Energy Applications laboratory (CREA Lab) operates in the field of Non-Ideal Compressible Fluid Dynamics (NICFD), with a special focus on applications for renewable energy systems. It supports theoretical, experimental and numerical investigations of compressible-fluid flows. The laboratory gathers personnel and competencies from three Departments of Politecnico di Milano: the Department of Aerospace Science and Technology, the Energy Department and the Department of Electronics, Computer Sciences and Bioengineering. The resulting multidisciplinary team is capable of tackling the complex physical problems related to NICFD and yearns to be an authoritative reference for both industrial and academic partners.