The Diego Portales University cordially invites you to participate in the fifth Conference on Energy, Efficiency, and Environmental Sustainability (CEES-2025) held at the Nicanor Parra Library in Santiago de Chile, Chile from November 12 to 14, 2025.

CEES 2025 is an international conference specializing in current challenges in Energy, Efficiency, and Environmental Sustainability, promoting multidisciplinary interaction among researchers, academics, entrepreneurs, graduate and undergraduate students, the exchange of ideas and experiences, and the generation of international networks.

On behalf of the Diego Portales University, the Scientific Committee and the Organizing Committee look forward to seeing you in the beautiful Chilean capital.