Avalanche Energy
Richland, US Β· Founded 2018 Β· 10 known investors
Avalanche Energy develops compact fusion technology to generate high-energy neutrons for materials testing, radioisotope production, and advanced nuclear battery systems serving defense, space, and commercial power applications. The company also provides high-voltage vacuum components and operates FusionWERX, a commercial-scale fusion testing facility.
Founders & leadership
Avalanche Energy was founded in 2018 by Robin Langtry and Brian Riordan.
RL
Robin LangtryinπCo-Founder, CEOHe spent six years at Blue Origin working in flight sciences and later advanced concepts, following nearly a decade as a senior flight sciences technology engineer at Boeing. Earlier in his career he developed CFD software at ANSYS and worked as a research assistant at Carleton University, with an internship at the Canadian Space Agency.
BR
Brian RiordaninCo-Founder, COOHe previously spent six years at Blue Origin as a structures engineer and then principal engineer, after subsea and offshore engineering roles at EMAS Group and Technip.
Investors Β· 10
Congruent Venturesβ verifiedSan Francisco Β· $100K β $5M
Founders Fundβ verifiedSan Francisco Β· $500K β $5M
Lowercarbon Capitalβ verifiedNew York Β· $100K β $5M
RA Capitalβ verifiedBoston
Toyota Venturesβ verifiedLos Altos
Azolla VenturesCambridge
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JuniperClarksville Β· $100K β $1.5M
Prime Impact FundCambridge Β· $1M β $4M
8090 IndustriesreportedNew York
Also in the syndicate Β· 1
Overlay Capital
Funding
SEC filings, press & company announcements$29M disclosed across 1 of 3 rounds Β· 2026
- $29MraisedFeb 2026 Β· 2 sourcesSource β
- Undisclosed amountSeed RoundFeb 2026Source β
Source: company announcements and press reports β follow each round's link for the claim.
Competitors Β· 4
by search overlap
Helion Energy55 shared keywordsHelion develops fusion energy systems designed to generate clean electricity for commercial use. The company builds pulsed magnetic fusion prototypes with applications for industrial and commercial electricity generation.
F46 shared keywordsFuse Energy develops fusion energy technology, with work spanning hardened electronics and radiation testing (HEART) and recycling of radioactive waste, aiming to provide an on-demand clean energy source. It brings together a team across engineering, fusion science, energy policy, and manufacturing.
Pacific Fusion43 shared keywordsPacific Fusion is developing a high-gain pulsed magnetic inertial fusion system designed to achieve net facility gain, using a modular fast electric pulser, a meter-scale fusion chamber, and small fuel containers. The company aims to produce affordable, on-demand fusion power to meet global energy demand and address climate change.
Commonwealth Fusion Systems38 shared keywordsCommonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
Companies competing with Avalanche Energy for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Avalanche Energy do?
- Avalanche Energy develops compact fusion technology to generate high-energy neutrons for materials testing, radioisotope production, and advanced nuclear battery systems serving defense, space, and commercial power applications. The company also provides high-voltage vacuum components and operates FusionWERX, a commercial-scale fusion testing facility.
- Who founded Avalanche Energy?
- Avalanche Energy was founded by Robin Langtry, Brian Riordan in 2018.
- Who are Avalanche Energy's investors?
- Avalanche Energy's investors include Congruent Ventures, Founders Fund, Lowercarbon Capital, RA Capital, Toyota Ventures, Azolla Ventures, Juniper, Prime Impact Fund and 1 more.
- How much funding has Avalanche Energy raised?
- Avalanche Energy has disclosed $29M raised across 1 of its 3 known rounds.
- Where is Avalanche Energy headquartered?
- Avalanche Energy is headquartered in Richland, US.