World’s firstnationwide valley Upcoming Events Events Oct 9 Oct 9, 2025 – Oct 10, 2025 2025 Hydrogen Days @ Tartu Oct 9, 2025 – Oct 10, 2025 Oct 9, 2025 – Oct 10, 2025 VIEW ALL Hydrogen Valley Estonia is a complete and nationwide systems development that will accelerate the energy transition and independence of the whole country under the motto: ‘from zero to green.’
