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Fourth Power

Energy Storage / Renewable Energy ~320 employees
Founded
--
Employees (Est.)
~320
16 leaders known
Total Funding
$39.0M
Funding Rounds
2
Last Funding
2025-09-16

About Fourth Power

Fourth Power is a company focused on providing cost-effective, large-scale energy storage solutions through utility-scale thermal energy storage technology. Their mission is to transform abundant domestic energy resources into reliable, on-demand power to meet growing energy needs, enhance grid reliability, reduce consumer costs, and secure energy independence for the nation.

Products & Services

Thermal Energy Storage System:A modular, utility-scale thermal energy storage system that stores electricity at a low cost (less than $25/kWh-e) and delivers power on demand. It offers flexible duration from 5 to 100 hours, high power density using liquid metal at 2400°C, safety with non-pressurized technology, scalability with domestic materials, and a long lifespan of over 30 years.

Specialties

Thermal Energy Storage Utility-Scale Energy Solutions Thermophotovoltaic (TPV) Technology Long-Duration Energy Storage (LDES) Grid-Scale Systems

Funding History

Debug: View Raw Funding Data
# Type Amount Fields Date Fields Investors
1 RT: Series A Plus
T: -
FT: Series A Plus 		A: 20000000
MR: -
FA: $20 million
FAN: 20000000 		D: 2025-09-16
FD: 2025-09-16 		3 investors
2 RT: Series A
T: -
FT: Series A 		A: 19000000
MR: -
FA: $19M
FAN: 19000000 		D: 2023-12-12
FD: 2023-12-12 		3 investors
Series A Plus Latest
2025-09-16
$20.0M
3 investors (Pro only)
Series A 2023-12-12
$19.0M

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Growth Metrics

+45%
Employee Growth
YoY
3.2x
Funding Growth
Last Round
12
Markets
Operating
10K+
Customers
Active

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Team & Leadership

A

Arvin Ganesan

CEO

LinkedIn (Pro only)
A

Asegun Henry

George N. Hatsopoulos Professor in Thermodynamics

LinkedIn (Pro only)
F

Fred Huang

EVP of Operations

LinkedIn (Pro only)
D

Delissa Prideaux

VP of Finance

C

Christina Belsito

VP of Corporate Affairs

P

Peter Ortez

Principal at Munich Re Ventures

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Recent News

Fourth Power Announces New Product Launch

2 days ago

Company unveils innovative solution to transform the industry, expanding market reach and capabilities...

Read more →

Leadership Team Expands with Industry Veteran

1 week ago

New executive brings 20+ years of experience to accelerate growth and strategic initiatives...

Read more →

Company Recognized as Industry Leader

2 weeks ago

Receives prestigious award for innovation and customer satisfaction in competitive market...

Read more →

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Key Competitors

C1

Competitor Alpha

Series B · $50M raised

C2

Competitor Beta

Series C · $120M raised

C3

Competitor Gamma

Series A · $25M raised

C4

Competitor Delta

Seed · $10M raised

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Company Details

Industries
Energy Storage / Renewable Energy
Company Size
~320 employees (est.)

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