Xcimer EnergyXcimer Energy
XE

Xcimer Energy

Fusion startup developing a commercial fusion power plant.

2021Inactive

About

Xcimer Energy is a fusion energy startup focused on developing a commercial fusion power plant. Their approach is modeled after the National Ignition Facility (NIF) and utilizes powerful excimer lasers, specifically krypton-fluoride lasers, to achieve controlled fusion reactions. The company aims to leverage more powerful and less complex lasers to make fusion power profitable. They have recently activated their 'Phoenix' laser system, which they claim is the largest privately owned laser in the world. Xcimer plans to complete a prototype in 2028, followed by a larger system, with the goal of building its first commercial-scale power plant in the mid-2030s.

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detected 2026-06-03
Est. monthly stack spend~$430/mo
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Frequently asked

What does Xcimer Energy do?

Xcimer Energy is a fusion energy startup focused on developing a commercial fusion power plant. Their approach is modeled after the National Ignition Facility (NIF) and utilizes powerful excimer lasers, specifically krypton-fluoride lasers, to achieve controlled fusion reactions. The company aims to leverage more powerful and less complex lasers to make fusion power profitable. They have recently activated their 'Phoenix' laser system, which they claim is the largest privately owned laser in the…

How much funding has Xcimer Energy raised?

Xcimer Energy has raised a total of $10M in funding. The most recent round on record is Seed.

Where is Xcimer Energy headquartered?

Xcimer Energy is headquartered in Livermore, United States.

When was Xcimer Energy founded?

Xcimer Energy was founded in 2021.

What industry does Xcimer Energy operate in?

Xcimer Energy operates in Energy, Climate Tech, Nuclear Fusion, Clean Energy, Energy Storage, Advanced Manufacturing & Materials.

What is Xcimer Energy's current status?

Xcimer Energy's current operating status is: Inactive.