Avalanche Energy develops pulsed fusion microreactors for in-space propulsion systems. The company's Avalanche Pulsed Fusion technology employs high-powered pulsed magnets to compress deuterium fuel, generating fusion reactions in reactors measuring 10-20 cm in diameter. These reactors produce thrust via direct conversion of fusion energy to electricity and ions, targeting specific impulses over 10,000 seconds for deep space missions. The primary market is satellite operators, space agencies, and propulsion providers seeking alternatives to chemical and electric propulsion. Avalanche Energy has raised over $10 million in seed funding from investors including Space Capital and Cubit Capital. The founding team includes veterans from NASA Jet Propulsion Laboratory and prior fusion research efforts. Operations are based in the San Francisco Bay Area.