Fourth Power
- Headquarters
- Cambridge, Massachusetts
- Employees
- 1–10
- Founded
- 2023
- Business Model
- B2B
- Website
- gofourth.com
- Total Funding
- $39.0M
- Last Round
- $20.0M Series BSep 2025
About
Develops utility-scale thermal energy storage using liquid metal and TPV to deliver low-cost, long-duration grid storage to utilities.
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