COMPANY PROFILE · UPDATED 01 AUG 2026
Fourth Power
Fourth Power is an energy storage startup that uses thermal batteries. Through utility-scale thermal storage, the technique transforms renewable energy into an on-demand energy source.

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Claim it →- Founded
- 2021
- Headcount
- 11
- Open roles
- 0
- Last raised
- Series A · Sign in to view
LEADERSHIP
Founders & key people
OPEN ROLES
Roles at Fourth Power
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FUNDING
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LOCATIONS
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Fourth Power offices
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- Cambridge, MA