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Overview
Xcimer Energy develops inertial fusion energy technology aiming to generate fusion-powered electricity. Its system uses a 10+ megajoule KrF laser to ignite a hydrogen fusion target inside a HYLIFE-style liquid-wall chamber, which absorbs fusion energy and shields reactor walls for long life. The approach combines a high-energy laser, a consumable fusion target, and a liquid-wall chamber to pursue scalable, laser-driven inertial confinement fusion for power generation. The company’s goal is to make commercial fusion power a reality for utilities within the next decade.
About Xcimer Energy
Industries
Hardware
Industrial & Manufacturing
Energy
Company Size
51-200
Company Stage
Series A
Total Funding
$117.8M
Headquarters
Denver, Colorado
Founded
2021
Simplify's Take
What believers are saying
- Xcimer has raised $100 million from leading climate investors.
- The Department of Energy awarded Xcimer $9 million for laser inertial fusion development.
- Athena targets 400 MW by 2035, offering a clear utility-scale commercialization path.
What critics are saying
- Phoenix is only a 1-kilojoule system versus a 12-megajoule commercial target.
- Vulcan’s 2031 breakeven goal leaves little margin for technical delays.
- A commercial fusion plant still lacks proven industrial-scale target manufacturing and injection.
What makes Xcimer Energy unique
- Phoenix is the world’s largest privately owned laser, using krypton-fluoride excimer amplification.
- Xcimer’s roadmap pairs Phoenix, Anvil, Vulcan, and Athena into staged hardware milestones.
- The company targets a self-protecting liquid lithium-salt chamber for lower maintenance and waste.
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Funding
Total Funding
$117.8M
Above
Industry Average
Funded Over
3 Rounds
Industry standards
Benefits
Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
401(k) Company Match
Paid Vacation
Paid Sick Leave
Paid Holidays
Company Equity
Growth & Insights and Company News
6 month growth
↑ 0%1 year growth
↑ 5%2 year growth
↑ 18%Xcimer Energy Inc. today announced that it has raised $100 million in Series A financing led by Hedosophia, with participation from investors includin
DENVER, June 04, 2024--Xcimer Energy Inc. today announced that it has raised $100 million in Series A financing led by Hedosophia, with participation from investors including Breakthrough Energy Ventures, Lowercarbon Capital, Prelude Ventures, Emerson Collective, Gigascale Capital and Starlight Ventures. Xcimer will use this financing to establish a new facility in Denver, where it will build a prototype laser system including the world’s largest nonlinear optical pulse compression system to adv
The US Department of Energy announced Xcimer has been selected for $9M of federal funding for development of laser inertial fusion energy.
Xcimer Energy is Hiring for 29 Jobs on Simplify!
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About Xcimer Energy
Industries
Hardware
Industrial & Manufacturing
Energy
Company Size
51-200
Company Stage
Series A
Total Funding
$117.8M
Headquarters
Denver, Colorado
Founded
2021
Xcimer Energy is Hiring for 29 Jobs on Simplify!
Find jobs on Simplify and start your career today