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Energy Tech

FusionPower Energy

FusionPower Energy Raises $950M Series D to Transform Energy

$950M
Total Raised
Series D
Latest Round
2021
Founded
750
Employees
Cambridge, MA
Updated September 14, 2025
1 min read

Quick Facts

Valuation
$14.8B
Latest Round Size
$950M
Latest Round Date
September 2025

FusionPower Energy

Commercial nuclear fusion reactors delivering clean, unlimited energy with breakthrough plasma containment technology achieving net energy gain.

$950M
Series D
Valuation
$14.8B
Headquarters
Cambridge, MA
Employees
750
Sector
Energy

About the Funding

FusionPower Energy has successfully raised $950M in a Series D funding round, bringing their total valuation to $14.8B. This significant investment will fuel the company's mission to complete first commercial fusion reactor, scale technology for grid deployment, and establish global partnerships.

Use of Funds

Complete first commercial fusion reactor, scale technology for grid deployment, and establish global partnerships

Company Overview

Commercial nuclear fusion reactors delivering clean, unlimited energy with breakthrough plasma containment technology achieving net energy gain.

Key Investors

  • • Bill Gates
  • • Jeff Bezos
  • • Google Ventures
  • • Breakthrough Energy

Founders

  • • Dr. Fusion Master
  • • Dr. Clean Energy

Previous Rounds

Series C
$550M
2024-05-20
Series B
$280M
2023-11-15
Series A
$120M
2022-08-30

Market Impact

This funding round positions FusionPower Energy as a leader in the Energy Tech space, with the capital to accelerate innovation and expand their market presence. The investment reflects growing confidence in energy solutions and the company's potential to transform the industry.

Key Investors

Bill Gates
Venture Capital
Leading investor in Energy Tech and technology companies
Jeff Bezos
Venture Capital
Leading investor in Energy Tech and technology companies
Google Ventures
Venture Capital
Leading investor in Energy Tech and technology companies
Breakthrough Energy
Venture Capital
Leading investor in Energy Tech and technology companies

Topics

Energy TechEnergyFundingSeptember 2025Series D

About the Author

Editorial Team
Editorial Team
The Editorial Team at The Report provides comprehensive coverage of the latest funding rounds and startup ecosystem developments.

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