Xcimer Energy

Xcimer Energy, founded in 2022 and headquartered in Denver, Colorado, is an inertial fusion energy company. The firm is developing excimer-based laser technology, which it describes as the only scientifically validated approach to fusion energy. Its stated goal is to commercialize safe, affordable, and carbon-free fusion power.

The company's technology roadmap includes the Phoenix, a prototype laser system, and Athena, a planned 400-megawatt laser fusion power plant designed to deliver clean energy to the grid, with a target operational date of 2035. The technical domains in which Xcimer operates include inertial fusion energy, advanced laser architecture, and fusion power plant design.

Xcimer's team of nearly 200 engineers, physicists, and business professionals is drawn from national laboratories, the aerospace sector, and academia. The company's mission is focused on deploying fusion power plants to contribute to global decarbonization goals.