Federal assistance program · Assistance Listing 81.121

Nuclear Energy Research, Development and Demonstration

Explore the numbers

Money by year

Fiscal yearObligated (USAspending)
FY2023$888.56M
FY2024$526.09M
FY2025$1.12B
FY2026$962.75M

Obligations are money committed in prime awards, as agencies report them to USAspending.gov (FY2023 on; data through 2026-09-30).

Where it goes, FY2025

Largest recipients, FY2025

  • X Energy, LLC $636.84M
  • US SFR Owner LLC $334.68M
  • Kairos Power LLC $35.00M
  • Holtec Government Services LLC $26.48M
  • Constellation Energy Generation, LLC $17.00M
  • Framatome Inc $16.85M
  • GE Vernova Operations LLC $15.38M
  • Westinghouse Electric Company LLC $11.00M
  • General Atomics $6.71M
  • Advanced Reactor Concepts, LLC $3.49M

The program's own description and reported accomplishments (from SAM.gov) aren't loaded yet.

Nuclear Energy Research, Development and Demonstration · SpendQuery