Avalanche Energy is a Seattle-based fusion energy startup founded in 2018, focused on developing compact fusion reactors aimed at transforming the energy landscape with carbon-free distributed energy solutions. The company's unique technology is intended for applications such as mobility, space propulsion, and power generation. As of July 2025, Avalanche Energy has raised $40 million in a Series A funding round and is advancing towards a Series B round, intending to procure up to $100 million. Founders Robin Langtry and Brian Riordan spearhead the company's efforts from its headquarters in Tukwila, Washington.
| Attribute | Information |
|---|---|
| Founding Date | 2018 |
| Headquarters | Tukwila, Washington, USA |
| Founders | Robin Langtry, Brian Riordan |
| Revenue | Not publicly disclosed |
| Profits | Not publicly disclosed |
| Key Investors | Lowercarbon Capital, Founders Fund, Toyota Ventures |
| Industry | Fusion Energy |
| Number of Employees | 49 |
| Headquarters Location | Tukwila, WA, USA |
Avalanche Energy began its journey in 2018 with a focus on developing a scalable, compact fusion reactor. Initially operational in stealth mode, the company developed the "Orbitron," a micro-fusion reactor prototype capable of achieving significant performance milestones. Early investments, including a $275,000 grant from the National Science Foundation, supported the refinement of key technologies. By late 2021, the company secured $5 million in seed funding, setting the stage for accelerated R&D activities and leading to significant achievements in compact fusion technology.
Avalanche Energy stands out in the fusion sector with its innovative approach to developing micro-fusion reactors. Achievements include:
Avalanche Energy's business model revolves around producing modular fusion reactors that can be stacked to meet diverse power needs. Its technology is poised to disrupt traditional energy systems by providing clean and efficient power for both commercial and defense applications. The company strategically focuses on not just fusion energy production but related sectors, including radioisotope production and advanced materials testing, promising broad market applicability.
Avalanche Energy is at the forefront of the fusion energy industry, driven by its mission to provide a clean, sustainable energy solution through its micro-fusion reactors. Its recent achievements in sustaining high-voltage operations and initiating key partnerships underscore its potential to revolutionize energy production. As the company progresses with its ambitious projects, including the FusionWERX test facility, its role in shaping the future of fusion technology remains pivotal.