| Founded | 2008 |
|---|---|
| Country | USA |
| Sector | Climate |
| Total raised | ~$200M USD |
| Collapse type | Slow Death |
| Founder | Steven Hellman |
EOS Energy
"Zinc battery storage for the grid. SPAC at $375M. Sixteen years in and still losing money."
Years-long decline before final shutdown
Key Events Timeline
EOS Energy developed aqueous zinc battery systems for long-duration grid energy storage, positioning as a lower-cost and safer alternative to lithium-ion for 4-12 hour storage applications.
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