F
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.
Supply Chain Segments
Battery Chemistries
Sodium-ion
Quick Facts
- Founded
- 2018
- Team Size
- 201-500
- Funding
- Private
- Last Updated
- Jun 20, 2026




