← All regions

Spain

29 projects whose affiliated fair was here, most recently in 2026.

States and provinces

ISEF records a state or province for some finalists and not others, so these counts do not add up to the country total.

Projects

29 projects · showing 1–29

ISEF · 2021

The Cleanest Energy: Microbial Fuel Cells

Energy: Sustainable Materials and Design

The discovery of bacteria capable of converting the chemical energy of organic matter into electricity can lead us to a new form of green energy: Bioelectrical systems (BES). BES can help so…

Save projects to your library

Sign in with Google to keep track of projects you find interesting, organized into folders. Browsing stays public.

Continue with Google