LE2C - Lombardy Energy Cleantech Cluster is the industrial and research network for energy and the environment officially recognised by the Region of Lombardy, based on the MULTIPLE HELIX model where it is possible to develop projects across research, innovation, and training.

The organisation is active across a range of international networks, including the European Cluster Collaboration Platform (ECCP), Global Cleantech Cluster Association (GCCA), Vanguard Initiative on Hydrogen and off shore green energy. The Cluster is involved in various working groups within S3 Partnerships of European Regions (ESPC) such as ADMA for Energy and marine renewable, Advanced materials on batteries, Water Smart Territories.