Raised $29M (Feb 2026). $5.2M DARPA contract (Apr 2026). Pursuing desk-sized fusion reactors at 300kV plasma. Defense dual-use.
Avalanche Energy is a compact fusion company pursuing a fundamentally different approach from utility-scale fusion projects like ITER: desk-sized reactors that generate power at the point of need. The company raised $29 million in February 2026 led by RA Capital, and secured a $5.2 million DARPA contract in April 2026 to develop radioisotope power technology — validating both the commercial and defense-use cases for its platform.
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