FREEN OÜ
Estonia
About
We are an Estonian company specializing in the manufacture of next-generation vertical-axis wind turbines and innovative sodium-ion battery storage systems.
Freen is innovative company-enabling on a new era of energy storage for residential homes, farms, and microgrids, enabling users to generate and store clean energy safely and efficiently while supporting the global transition to sustainable power.
From the Battery Report
Battery Report 2025 · chapterCell Design and Materials: Sodium-IonVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Battery Chemistries
Sodium-ion
Location Info
- HQ
- Estonia
Europe (2)
- Office
- Warsaw, Poland
- Office
- Pozuelo de Alarcón, Community of Madrid, Spain
Quick Facts
- Founded
- 2018
- Team Size
- 201-500
- Funding
- Private
- Last Updated
- Oct 15, 2026
