X-energy logo — Delivering the next generation of advanced nuclear energy te...

X-energy

Delivering the next generation of advanced nuclear energy technology.

Founded 2009 United States Rockville, United States 1773 employees Series C 1 Total: $2.78B Energy, Renewable Energy +1

General Information

Company Name X-energy
Founded Year 2009
Location United States Rockville, United States
Employees 1773
Industries Energy, Renewable Energy, Clean Energy
Funding Stage Series C 1
Offices as of Aug 2026
Rockville, United States

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About X-energy

X-energy, founded in 2009, is at the forefront of revolutionizing the energy landscape with its cutting-edge advanced nuclear technology. The company's mission, encapsulated in its slogan "Delivering the next generation of advanced nuclear energy technology," aims to contribute to a carbon-free future.

Operating in the United States, X-energy addresses essential global demands for sustainable and affordable energy solutions. By developing unique nuclear processes that securely seal uranium particles and prevent meltdowns, the company offers a reliable, clean power alternative that rivals traditional renewables like wind and solar. Their focus on innovation positions them as a leader in the Energy, Renewable Energy, and Clean Energy sectors.

The company's potential is further underscored by its substantial $700.00M Series D investment received on November 25, 2025. This funding round was supported by a diverse group of investors, including Emerson Collective, Galvanize, Ares Management, Ark Invest, Corner Capital, Point72, XTX Ventures, Jane Street, Hood River Capital Management, NGP, Reaves Asset Management, and Segra Capital Management, highlighting robust confidence in X-energy's pioneering approach to nuclear energy.

Business keywords: Advanced nuclear energy, Carbon-free energy, Nuclear power innovation, Clean energy technology, Nuclear fuel manufacturing, Meltdown prevention, Waste management, Nuclear plant design, Baseload power generation, Safety innovations, Affordable energy, Renewable energy alternative, Sustainable energy solutions

Pricing

as listed on Sep 29, 2026

Funding Rounds & Investors (12)

View All
Funding Stage Amount Investors Lead Investors Date
Series C 1 $500.00M 1
Amazon
16 Apr 2026
Series D $700.00M 12
Emerson Collective, Galvanize +10
01 Nov 2025
Series C $700.00M 8
Emerson Collective, Ares Management +6
01 Feb 2025
Series C $700.00M 8
Emerson Collective, Ares Management +6
01 Feb 2025
Grant £1.67M 1
UK Department for Energy Security and Net Zero
01 Apr 2024
Series C $80.00M 6
Ares Management, The Ontario Power Generation Pension Fund +4
01 Dec 2023
Late VC $25.00M 2
DL E&C Co., Ltd, Doosan Enerbility
01 Jan 2023
Late VC $25.00M 2
DL E&C Co., Ltd, Doosan Enerbility
01 Jan 2023
Grant $40.00M 1
US Department of Energy
01 Aug 2022
Series B Undisclosed -
01 Oct 2021

View All 12 Funding Rounds

X-energy Alternatives & Competitors

View All Alternatives
X-energy vs
Oklo Inc
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Debt Financing
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FAQ About X-energy

Delivering the next generation of advanced nuclear energy technology.
X-energy was founded in 2009.
X-energy is headquartered in Rockville, United States.
X-energy operates in Energy, Renewable Energy and Clean Energy. Its work centres on Advanced nuclear energy, Carbon-free energy, Nuclear power innovation and Clean energy technology.
As listed on X-energy's pricing page on Sep 29, 2026: On request.
X-energy has approximately 1773 employees.
X-energy has completed 12 funding rounds, raising a total of $2.78B. The latest funding stage is Series C 1.
Top alternatives and competitors to X-energy include Oklo Inc, newcleo, Eavor Technologies Inc., TRANSMUTEX, VYNCKE. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
X-energy and Oklo Inc are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for X-energy, https://bouncewatch.com/company/x-energy, updated 6 August 2026. When citing, please name BounceWatch and link this page.

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