Pacific Fusion
12 known investors
Pacific 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.
Climate TechDeep TechEnergy
Founders & leadership
KL
Keith LeChieninFounder
Investors · 12
Acario InnovationSan Mateo
Alumni VenturesManchester · $100K – $10M
Basecamp FundManchester · $100K – $10M
Berkeley FrontierBerkeley
DCVC (Data Collective)Palo Alto · $5M – $25M
LeitmotifPalo Alto
Lightspeed Venture PartnersMenlo Park · $1.7M – $87M
LOWERCARBONJackson · $1M – $50M
Lowercarbon CapitalNew York · $100K – $5M
Red Bear VenturesIthaca · $200K – $1.3M
Trousdale VenturesWest Hollywood · $1M – $5M
UP PartnersSanta Monica · $1M – $10M
Founder mafia
2 people who came through Pacific Fusion went on to found or lead other companies.
Competitors · 5
by search overlapHelion Energy123 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.
F120 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.
Commonwealth Fusion Systems108 shared keywordsCommonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
Interestingengineering70 shared keywordsInteresting Engineering is an online media publication covering news and analysis on engineering, science, and technology topics including nuclear energy, semiconductors, robotics, quantum computing, and defense. It offers articles, columns, case studies, and research along with a subscription for ad-free access.
General Fusion66 shared keywordsGeneral Fusion develops Magnetized Target Fusion (MTF) technology, combining plasma physics, mechanical compression, and liquid metal systems to build a practical, cost-competitive fusion power plant. The company operates large-scale demonstration machines, including LM26 at its Vancouver facility, on a roadmap toward a first fusion plant producing energy in the mid-2030s.
Companies competing with Pacific Fusion for the same Google search keywords, organic and paid, via search-intersection analysis.
Frequently asked questions
- What does Pacific Fusion do?
- Pacific 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.
- Who founded Pacific Fusion?
- Pacific Fusion was founded by Keith LeChien.
- Who are Pacific Fusion's investors?
- Pacific Fusion's investors include Acario Innovation, Alumni Ventures, Basecamp Fund, Berkeley Frontier, DCVC (Data Collective), Leitmotif, Lightspeed Venture Partners, LOWERCARBON and 4 more.

