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DEEP RESEARCH · Fusion/EnableFusion

Fusion Commercialization and EnableFusion’s Foundry Strategy

A report on Korea’s fabless/foundry model inside the global private-fusion startup race

Written: 2025-10-19 · Fusion industry and startup analysis · Naver Blog

Investment decisions are your own responsibility. This material is research, not a recommendation to buy or sell.

0. Bottom line first

The source identifies EnableFusion as a top pick for the next three years in fusion. The reason is that it is not simply betting on building its own power plant, but on a fusion foundry model that combines KSTAR/ITER experience with a network of roughly 250 Korean manufacturers to provide design, procurement, and manufacturing solutions for overseas fusion projects.

1. The fusion-market shift

Official fact: The source says fusion commercialization is shifting from government-led long-term research to private-startup competition. AI-era power demand is encouraging big-tech power purchase agreements, while CFS and Helion target commercial generation in the early 2030s with partners such as Google and Microsoft.

Interpretation: The biggest risk in fusion investing is whether a specific reactor approach reaches commercial generation. EnableFusion's appeal is that it is exposed to precision manufacturing and systems integration needed across multiple projects, rather than only trying to pick one winning physics architecture.

Fusion-industry transitionFrom public research to private commercialization
Power demandAI data centers
Private capitalStartups and PPAs
Manufacturing bottleneckVacuum vessels, magnets, parts
FoundryDesign, procurement, delivery
EnableFusion is aiming to become an infrastructure supplier to the fusion ecosystem.

2. EnableFusion business model

Official fact: EnableFusion was founded in December 2023. At the time of analysis, it had less than one year of operating history, so three-year cash-flow data did not exist. Rather than building its own fusion power plants, it aims for a fabless or fusion-foundry model: designing reactors for overseas companies and government projects, connecting them with qualified Korean manufacturers, and managing delivery.

  • The most visible customer candidate is tied to Italy's DTT project, where the source says the company is discussing a vacuum-vessel supply contract as preferred bidder.
  • The technical moat is practical tacit knowledge accumulated through KSTAR and ITER.
  • The relationship moat is industry trust and a network of roughly 250 Korean companies involved in KSTAR and ITER.
  • The policy moat is alignment with the Korean government's KRW 1.2tn fusion-energy acceleration strategy.

3. People, funding, and shareholders

NameRoleBackground
Lee Kyung-sooBoard chair, co-founderFormer National Fusion Research Institute head, former ITER deputy director-general, led KSTAR development
Choi Doo-hwanCo-CEO, co-founderFormer POSCO ICT CEO, experience managing large technology projects
Kwon Oh-joonManagement adviserFormer POSCO chairman
Jung Ki-jungDirectorHead of ITER Korea
Hwang Yong-seokDirectorProfessor of nuclear engineering at Seoul National University
RoundTimingAmountInvestors/type
SeedDecember 2023About KRW 30bnStrategic investors including Solid, Kiswire, and LS Electric
Series APlanned for 2026Target US$100mn, about KRW 143.8bnGlobal VCs and institutional investors
InvestorInvestmentOwnership
KiswireKRW 6bn26.67%
LS ElectricKRW 1.5bn7%
SolidKRW 1.5bn5.77%

4. Global comparison and three-year watch points

CategoryCFSHelion
Founded2018, MIT spinout2013
Core technologyTokamak plus high-temperature superconducting magnetsFRC magneto-inertial pulsed approach
FuelDeuterium-tritiumDeuterium-helium-3
Commercial targetEarly 2030s ARC, 400MW2028 Orion, 50MW
Main investorsGoogle, Bill Gates, Eni, TemasekSam Altman, Peter Thiel, SoftBank
Main partnersGoogle, Eni, MITMicrosoft, Nucor
Orders

DTT vacuum vessel

The preferred-bidder discussion needs to turn into an actual contract and delivery reference.

Funding

Series A

The planned US$100mn 2026 round is the first major validation checkpoint from global investors.

Policy

KRW 1.2tn strategy

The key is whether the national acceleration strategy translates into concrete projects and support.

Network

250-company ecosystem

The KSTAR/ITER supplier network must become quality, delivery, and cost competitiveness.

Sources

Naver original