Fusion Advanced Manufacturing Parity Act
- Sponsor
- Rep. Miller, Carol D. [R-WV-1]
- Committees
- Ways and Means Committee (primary)
- Last action
- Sep 17, 2025
Bottom line
The bill incentivizes domestic manufacturing of fusion energy components and expands tax credits for critical minerals, aiming to bolster the U.S. clean energy supply chain and technological leadership.
What it actually does
This bill amends the Internal Revenue Code of 1986 to expand the Section 45X Advanced Manufacturing Production Credit to include a wide range of fusion energy components. It defines these components and establishes a tax credit equal to 25 percent of their sales price, with a phase-out schedule beginning in 2032 and concluding at the end of 2034. Additionally, the bill updates and expands the list of critical minerals eligible for the existing advanced manufacturing production credit.
Proponents argue
Proponents argue that this bill is crucial for stimulating the nascent U.S. fusion energy industry, fostering innovation, creating high-tech manufacturing jobs, and accelerating the development of a clean, abundant energy source. They emphasize that incentivizing domestic production of these advanced components and critical minerals is vital for national energy security and global competitiveness in the clean energy transition.
Opponents contend
Potential opponents might raise concerns about the cost to taxpayers, arguing that such targeted tax credits could distort markets or that fusion energy is still too speculative for significant public investment. They might also question the effectiveness of tax credits compared to direct grants or other forms of support, or contend that the credit could disproportionately benefit large corporations over smaller innovators.
The bill is concise and focused, making it relatively accessible for an informed reader to understand its core provisions and implications.
Section 2(a)(1)(A)(iii) and (c)(1)(A)(iv)
Inclusion of Fusion Energy Components in Section 45X Credit
This provision expands the existing Section 45X Advanced Manufacturing Production Credit to include 'fusion energy components.' Manufacturers of these components will now be eligible for a tax credit equal to 25 percent of the sales price of each component, aiming to incentivize domestic production in this emerging energy sector.
Supporters argue
Supporters argue this credit is essential to kickstart domestic manufacturing of critical fusion energy technologies, ensuring the U.S. leads in this emerging clean energy sector and creates high-value jobs.
Critics contend
Critics might argue that this creates a new carve-out in the tax code, potentially leading to market distortions or favoring specific technologies over others, and that the long-term economic benefits are uncertain.
Tradeoffs
Balances the desire to foster a new domestic industry with concerns about government intervention in markets and potential costs to the Treasury.
Section 2(a)(2)(C) (new paragraph (6))
Detailed Definitions for Fusion Energy Technology
This section provides extensive and specific definitions for what constitutes a 'fusion energy component,' listing 20 distinct types such as high-temperature superconducting magnets, fusion chambers, blanket systems, and high-energy lasers. It also defines a 'fusion energy machine' as one used for electricity or process heat, as per the Atomic Energy Act.
Section 2(a)(1)(B)(iii) (new subparagraph (D))
Gradual Phase-Out of Fusion Energy Component Credit
The bill introduces a phase-out schedule for the fusion energy component credit. For components sold in calendar year 2032, the credit will be 75% of the original amount; in 2033, it will be 50%; in 2034, it will be 25%; and after December 31, 2034, the credit will be 0%.
Section 2(a)(2)(D) (new paragraph (7))
Expansion of Eligible Critical Minerals for Production Credit
This provision amends the definitions of several critical minerals eligible for the advanced manufacturing production credit. It adds beryllium hydroxide and beryllium fluoride to beryllium, expands lithium to include lithium chloride, lithium fluoride, lithium-6, lithium-7, and lithium tetrafluoroberyllate, broadens tungsten and vanadium definitions, and includes boron (converted to boron carbide or ferroboron) and copper chromium zirconium alloys. It also adds Deuterium, Helium-3, and Tritium to the list of applicable critical minerals.
Expands the definition of several critical minerals (beryllium, lithium, tungsten, vanadium, boron, copper chromium zirconium, deuterium, helium-3, tritium) that are eligible for the advanced manufacturing production credit.
Section 2(a)(2)(D) (amending Section 45X(c)(7))
Why it matters:This is standard legislative practice for updating existing statutory definitions, but its technical nature makes it easy for a non-expert to overlook its broader implications for domestic supply chains.
Case for: Supporters argue that these precise updates are essential to ensure the advanced manufacturing credit effectively incentivizes the production of a wider range of materials critical for modern technologies, including fusion energy, thereby strengthening national security and economic resilience.
Case against: No specific opposition is typically raised against such technical updates, though some might argue about the specific inclusions or exclusions, or the purity thresholds.
Estimated impact: This provision could significantly broaden the scope of materials eligible for tax credits, potentially impacting numerous domestic mining and processing operations and reducing reliance on foreign sources for these materials.