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FIA Supply Chain Report

The FIA Supply Chain Report is a 2024 study by the Fusion Industry Association and the U.S. Department of Energy outlining the materials, components, and workforce needed to build a commercial fusion power plant in the United States. It identifies key supply chain gaps and provides strategic recommendations.

Overview

The Fusion Industry Association (FIA) Supply Chain Report, officially titled Building a U.S. Fusion Supply Chain, is a foundational analysis published in March 2024 in partnership with the U.S. Department of Energy (DOE). The report presents a comprehensive assessment of the materials, technologies, and workforce required to construct and operate a commercial fusion power plant (FPP) in the United States. Its primary objective is to identify critical gaps in the domestic supply chain and propose actionable strategies for government and industry to ensure the timely and economic deployment of fusion energy. The report serves as a strategic roadmap for policymakers, investors, and the burgeoning fusion industry, transitioning the conversation from scientific feasibility to industrial-scale implementation.

Key Findings and Analysis

The report's analysis is anchored to a reference first-of-a-kind (FOAK) 1 GWe fusion power plant, for which a detailed bill of materials (BOM) was developed. This generic model, while not specific to any single fusion concept, allows for a quantitative assessment of supply chain needs. The analysis is structured around three key areas: materials, components, and workforce.

Materials

The study quantifies the demand for critical materials and identifies potential bottlenecks. Key findings include:

  • High-Temperature Superconductors (HTS): The report identifies HTS wire as a primary long-lead-time item. A single FPP is estimated to require approximately 40,000 kilometers of HTS tape. Current global production capacity is insufficient to meet the projected demand from a fleet of FPPs, necessitating a significant scale-up of manufacturing capabilities.
  • Tritium: A FOAK plant will require an initial tritium inventory of 1-10 kg, with a tritium breeding ratio (TBR) greater than 1.0 for self-sufficiency. The report highlights the extremely limited global supply of tritium and underscores the urgent need to develop robust tritium breeding, extraction, and handling technologies.
  • Structural Materials: Specialized steels, such as reduced-activation ferritic/martensitic (RAFM) steels, and advanced alloys are required for the vacuum vessel and blanket components. The report notes that while the U.S. has foundational capabilities, domestic production of these specialized materials at the required scale and quality is not yet established.
  • Lithium and Beryllium: Lithium, for tritium breeding, and beryllium, as a neutron multiplier, are identified as materials with supply chains that require strengthening. The report estimates a need for 100-200 tonnes of enriched lithium-6 per plant.

Components

The report analyzes the manufacturing readiness for major FPP systems:

  • Magnets: Beyond HTS wire production, the fabrication of large, complex superconducting magnets is a major challenge. The required manufacturing tolerances and scale exceed those of current projects like ITER.
  • Blankets and Divertors: These plasma-facing components must withstand extreme heat and neutron fluxes. The report identifies a need for advanced manufacturing techniques and facilities to produce these systems, particularly those involving liquid metals like lithium or lead-lithium.
  • Power Conversion Systems: While leveraging existing technologies from the fission and fossil fuel industries, the report notes that balance-of-plant systems will need to be adapted for the unique operating conditions of a fusion core, including pulsed operation in some concepts and the handling of tritium.

Workforce

A significant portion of the report is dedicated to human capital. It projects a need for approximately 5,400 workers for the construction of a single FPP, including 2,400 craft laborers and 600 engineers. The analysis points to a nationwide shortage of skilled trades (welders, electricians, pipefitters) and specialized scientific and engineering talent. It calls for the development of new university curricula, vocational training programs, and credentialing standards specifically for the fusion industry.

Historical Development

The report's genesis lies in the U.S. government's strategic shift towards accelerating commercial fusion energy, as articulated in the White House's Bold Decadal Vision for Commercial Fusion Energy announced in 2022. This vision spurred the creation of new public-private partnerships, most notably the DOE's Milestone-Based Fusion Development Program. As private companies began designing pilot plants under this program, the question of industrial readiness became paramount.

The FIA, representing the private fusion sector, and the DOE's fusion energy program, led by figures like Scott Hsu, recognized that scientific progress alone was insufficient. A robust domestic supply chain was identified as a critical dependency for the success of the milestone program and the broader decadal vision. The report was commissioned to provide the data-driven foundation for a national fusion industrialization strategy. It was developed through a series of workshops and consultations involving over 130 stakeholders from 65 different organizations, including fusion developers, suppliers, national laboratories, and universities, between 2022 and its publication in 2024.

Current Status (as of 2026)

Since its publication, the FIA Supply Chain Report has become a key reference document for U.S. fusion policy. Its findings are actively shaping the strategic direction of federal R&D funding and public-private partnership programs. The DOE's Fusion Energy Sciences program and ARPA-E have incorporated the report's recommendations into their funding opportunity announcements, prioritizing research in areas identified as critical gaps, such as HTS manufacturing, tritium fuel cycle technologies, and advanced materials.

Several initiatives directly address the report's calls to action. The DOE has launched programs focused on scaling up HTS wire production and is funding the establishment of a materials testing facility to qualify structural alloys for fusion environments. Industry consortiums are forming to standardize components and develop shared manufacturing infrastructure. Universities are beginning to establish specialized graduate programs and micro-credentials in fusion engineering and technology, directly responding to the identified workforce needs.

Notable Implementations

The report's influence is evident in the strategic planning of both public and private entities. The eight companies selected for the DOE's Milestone-Based Fusion Development Program are required to develop detailed supply chain plans as part of their deliverables, and many explicitly reference the FIA report in their roadmaps.

  • Commonwealth Fusion Systems (CFS): As a leading developer of HTS-based tokamaks, CFS is actively working to build out the HTS supply chain. The company's own manufacturing scale-up for its SPARC and ARC projects aligns with the report's emphasis on the critical need for HTS wire.
  • Type One Energy: This stellarator company is also reliant on HTS magnets and has emphasized the need for a robust domestic supply chain in its planning for its Infinity One pilot plant.
  • U.S. Department of Energy: The DOE is using the report to justify budget requests to Congress for targeted investments in fusion-enabling technologies. It has become a cornerstone of the argument for a sustained, whole-of-government approach to building a domestic fusion industry.

Open Challenges

Despite providing a clear roadmap, the report highlights several formidable challenges that remain to be solved:

  1. Investment at Scale: The capital investment required to build out the necessary manufacturing facilities for HTS, tritium systems, and specialized materials runs into the billions of dollars. Mobilizing this level of private and public capital ahead of a definitive demonstration of net energy gain remains a primary challenge.
  2. Qualification and Standardization: Materials and components for a licensed FPP must undergo rigorous nuclear-grade qualification. There is currently no established regulatory framework or standardized testing protocol for many fusion-specific components. Developing these standards is a complex, multi-year process.
  3. Tritium Fuel Cycle Closure: The report's most urgent warning concerns the tritium supply. Achieving a TBR > 1.0 in a practical, integrated system has never been demonstrated. The technologies for extracting bred tritium from blankets efficiently and handling it in a closed loop are still at a low technology readiness level (TRL).
  4. Workforce Development Pipeline: Building a skilled workforce cannot be done overnight. The report calls for a decade-long effort to create educational and training programs, but aligning academic institutions, trade unions, and industry requires significant coordination and sustained funding.

Outlook

The FIA Supply Chain Report has set the agenda for the industrialization phase of fusion energy in the United States for the next 5-15 years. In the near term (5 years), its primary impact will be to direct federal and private R&D toward the most critical supply chain gaps. Expect to see increased funding for HTS wire production, tritium technologies, and materials science. The establishment of dedicated user facilities for component testing is also a likely outcome.

In the medium term (10 years), as milestone-based programs progress and pilot plant designs mature, the report's BOM will be refined. This will enable more targeted investments in specific manufacturing capabilities. The first factories dedicated to producing fusion components, such as magnets or blanket modules, may break ground. The initial cohorts of students from new fusion engineering programs will enter the workforce.

Over the 15-year horizon, the success of these efforts will determine whether the U.S. can build its first commercial FPPs with a secure domestic supply chain. The report serves as both a guide and a warning: achieving the bold decadal vision for fusion energy is not only a scientific challenge but an industrial one, requiring immediate and concerted action.

References

  1. Building a U.S. Fusion Supply Chain — Fusion Industry Association & U.S. Department of Energy (2024)
  2. DOE, Fusion Industry Association Release Report on Developing a U.S. Supply Chain for Fusion Energy — U.S. Department of Energy (2024)
  3. An Action Plan for the U.S. Fusion Energy Strategy — Fusion Industry Association (2024)
  4. A Bold Decadal Vision for Commercial Fusion Energy — The White House Office of Science and Technology Policy (2022)
  5. DOE Announces $46 Million for Public-Private Partnerships to Advance Fusion Energy — U.S. Department of Energy (2023)
  6. US fusion supply chain report released — World Nuclear News (2024)
  7. Powering the Future: A Vision for Fusion Energy Research in the U.S. — National Academies of Sciences, Engineering, and Medicine (2021)