Accelerator-Driven Sub-Critical Molten-Salt Assembly (ADS+MSA Facility)
Special Notice from Department of Energy.
Data as of Oct 24, 2026. Sources: SAM.gov and Grants.gov. Snapshot govcon-directory-20261024T104923Z-2151694.
This product uses the Grants.gov API but is not endorsed or certified by the U.S. Department of Health and Human Services. Counts and totals are computed by DSE from public SAM.gov and Grants.gov notices. Text from Grants.gov may be shortened or have contact details removed. The original notice on Grants.gov is the authoritative version.
Closing in 60 days
Notice details
- Agency
- Department of Energy
- Sub-tier agency
- ENERGY, DEPARTMENT OF
- Notice type
- Special Notice
- Solicitation number
- S-195186
- Product/service code
- AJ15
- Place of performance
- Los Alamos, New Mexico
- Posted
- Jun 24, 2026
- Response deadline
- Dec 23, 2026
- Source
- SAM.gov
Description
An accelerator-driven, sub-critical molten-salt nuclear system that centrally produces large quantities of tritium for fusion energy. By pairing accelerator-driven subcritical operation with molten-salt chemistry, the system offers a controllable, safety-forward pathway to produce fusion fuel, recover useful energy and convert legacy nuclear liabilities into strategic energy assets. Overview: The Accelerator-Driven Sub-Critical Molten-Salt Assembly (ADS+MSA) is a centralized nuclear facility that uses a high-power particle accelerator coupled to a liquid molten-salt system to reliably produce kilogram-scale quantities of tritium. Because the system is sub-critical, nuclear reactions only occur when driven by the accelerator, providing inherent safety and operational control. By combining proven accelerator technology with modern molten-salt chemistry, the ADS+MSA removes a major bottleneck to commercial fusion energy, recovers useful energy, and strengthens U.S. energy security and national security missions under existing Department of Energy safety frameworks rather than commercial reactor licensing. Key Advantages: Enables large-scale commercial fusion energy by providing a reliable, centralized source of tritium, eliminating the need for fusion plants to breed their own fuel and significantly reducing cost, complexity, and deployment risk. Operates in an inherently safe, sub-critical configuration in which nuclear reactions stop when the accelerator is turned off
Summarized from the official notice. The description is shortened; read the full text on the official notice.
Official notice
Requirements and amendments are controlled by the official notice.
DSE verdict
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See DSE GovCon plans →Prior awards (USAspending)
Department of Energy obligated $327,577,822 under NAICS 541715 on awards whose period of performance started in the last 12 months.
Source: USAspending.gov, U.S. Department of Treasury, Bureau of the Fiscal Service, https://www.usaspending.gov. Accessed Oct 24, 2026. Award totals are computed by DSE from USAspending.gov award data.
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Set up free alerts →Frequently asked questions
When is the response deadline?
The published deadline is Dec 23, 2026. That is 60 days after the data date.
What NAICS code applies?
NAICS 541715, Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
Which agency issued this notice?
Department of Energy.
Where is the official notice?
The link under Official notice opens the source listing.