Beta© 2026 Adaptrex, LLC
Beta© 2026 Adaptrex, LLC
Federal grant · cooperative agreement (b)
Competitive Cooperative Agreement: Advanced Reactor Demonstration Foa# DE-FOA-0002271 Pathway 1 Advanced Reactor Demonstrations (DEMOS) Award to X Energy, LLC This Program Is Intended to Facilitate the Development of U.s. Private Industry Advanced Nuclear Reactor Demonstrations. It Will Provide Funding for Several Advanced Reactors That Are Reliable, Cost Effective, Licensable, and Commercially Viable. These Designs Are Expected to Enable a Market Environment in Which Commercial Reactor Services Are Available That Are Safe and Affordable to Both Construct and Operate When Compared to Competing, Alternative Sources of Energy in the Near- and Mid-term. These Designs Are Expected to Provide Significant Improvements in Safety, Security, Economics, and Environmental Impacts Over Current Nuclear Power Plant Designs.
Committed
$921.7 Million
Paid out
$541.0M
59%
Committed, not yet paid
$380.7M
41%
Everything here is this single award's whole record — signed, amended, paid — not a fiscal-year slice. The by-year charts elsewhere split an award across the years it was committed; this page keeps it whole.
Committed is what the government has legally promised on this award so far. Contracts can also carry a ceiling — the maximum if every option is exercised. Unspent ceiling is headroom, not money owed.
The cash actually disbursed against this award. The gap from committed is the disbursement pipeline: promised, not yet cashed.
Each transaction is a signing event — an action that created or changed the award, dated the day it was signed — not a payment. Negative amounts are real: money de-committed at closeout or renegotiation.
One bar, the award’s whole arithmetic: paid out, then committed, not yet paid, then .
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