X Energy
Latest round
- Series D
Last raised
- Nov 2025
Total raised
- $1.4B
Investors
- 14
About X Energy
Founded in 2009 and headquartered in Rockville, US, X Energy, LLC specializes in advanced nuclear reactors. Additionally, the company produces TRISO-X fuel, capable of enduring extreme temperatures beyond conventional nuclear fuels.X Energy generates revenue through sales and licensing of its reactor and fuel technologies, primarily engaging in B2B transactions with government agencies, energy providers, and industrial clients. Its business model involves long-term contracts for reactor deployment, including initial sales, maintenance agreements, and ongoing fuel supply contracts. The company is designing new products aimed at enhancing reactor efficiency and safety, with expected launches in the next few years. Geographic expansion is also a priority, targeting markets in Europe and Asia by 2025.
Who invested in X Energy
14 investors across 3 rounds
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Questions about X Energy
Who invested in X Energy?
X Energy has 14 investors on record across 3 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.
How much funding has X Energy raised?
X Energy has raised 3 venture rounds. Sign up free to see how much each round raised and the total.
When did X Energy last raise money?
X Energy's most recent round on record is a Series D, in Nov 2025.
What does X Energy do?
Founded in 2009 and headquartered in Rockville, US, X Energy, LLC specializes in advanced nuclear reactors.
Where is X Energy headquartered?
X Energy is headquartered in Rockville, US.
Which VCs invest in companies like X Energy?
Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back power & utilities companies at X Energy's stage. Their profiles are linked below.
VCs backing power & utilities startups at Series D
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