Avalanche Energy hits key milestone on the road to a desktop fusion reactor

Source: techcrunch
Author: Tim De Chant
Published: 7/23/2025
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Read original articleAvalanche Energy has reached a significant milestone in developing a desktop fusion reactor by successfully operating its machine for hours at 300,000 volts. This voltage level is critical for their approach, which uses intense electrical currents rather than powerful magnets to accelerate ions into tight orbits around an electrode, causing them to collide and fuse, releasing energy. The company aims to build small reactors producing between 5 to several hundred kilowatts, with the high voltage density (6 million volts per meter) enabling efficient neutron generation for producing radioisotopes and testing fusion materials.
The startup recently secured a $10 million grant from Washington State to build FusionWERX, a testing facility available to other fusion researchers that allows users to retain full intellectual property rights. Avalanche plans to become profitable by 2028 through radioisotope sales and FusionWERX rentals, forecasting revenues of $30 million to $50 million by 2029. The company is reportedly preparing for a Series A funding round to meet the 50%
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energyfusion-reactordesktop-fusionclean-energynuclear-fusionenergy-innovationfusion-technology