Avalanche is a VC-backed, fusion energy start-up based in Seattle, WA. We are designing, testing and building micro-fusion reactors that you can hold in your hand. Our modular reactor design can be stacked for endless power applications and unprecedented energy density to provide clean energy and decarbonize the planet.

Our unique approach enables rapid iterations of design, build, test, fix cycles for faster development and the rapid scalability that the planet needs.