Xcimer Energy gets $30.5m more from the DOE for its gas-laser fusion work

Xcimer Energy

The US Department of Energy added $30.5 million to Xcimer Energy's milestone-based fusion award, bringing the program to $39.5 million. Xcimer is developing a gas-laser approach to inertial fusion, and the new funding starts the program's second budget period. Payments are released only as the company meets technical and commercial milestones.

• The agreement was finalized on October 9, 2026; the company announcement is dated October 13.
• Xcimer's total non-dilutive US federal funding is now $43.5 million, including a $4 million ARPA-E award received in 2024.
• Funds are paid progressively as Xcimer hits specific technical milestones, plus system-performance and commercial-readiness goals.