89303325DEM000122↗

Name: 89303325DEM000122: The U.S. Department of Energy (Doe), Environmental Management Consolidated Business Center (Emcbc) Is Soliciting for the Potential Contract Award for the Continued Management and Operation of All Uranium Hexafluoride (Uf6) Activities at Pppo. This in
Creator: SpendQuery
License: https://www.usa.gov/government-works

THE U.S. DEPARTMENT OF ENERGY (DOE), ENVIRONMENTAL MANAGEMENT CONSOLIDATED BUSINESS CENTER (EMCBC) IS SOLICITING FOR THE POTENTIAL CONTRACT AWARD FOR THE CONTINUED MANAGEMENT AND OPERATION OF ALL URANIUM HEXAFLUORIDE (UF6) ACTIVITIES AT PPPO. THIS IN

Idc · Department of Energy · to Mission Conversion Services Alliance, LLC (UEI X6QUFXZRKZW4) · data as of 2026-10-21

Obligated to date$357.51M42 actions

Potential value$2.50Bif every option is used

Period2024-11-08 → 2030-09-30current end date

What it is

Product or service: Operation of Production Buildings (PSC M1EC)
Industry: Other Basic Inorganic Chemical Manufacturing (NAICS 325180)
Contracting office: Em-Environmental Management Con Bus CTR (893033)
Competition: Full and open competition · 4 offers received
Pricing: Cost plus award fee
How it was bought: Contract vehicle (IDV) itself
Solicitation: 89303320REM000070

Obligations by fiscal year

FY2025$45.62M

FY2026$311.88M

SpendQuery holds FY2023 on; earlier years are on USAspending.gov.

Subcontractors: where the money went next

No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.

Every action

42 actions since 2024-11-08. Each is a modification or amendment with the money it added or took back.

Date	Modification	Kind	Amount	What the agency wrote
2026-09-30	P00041	Funding only	$150.0K	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION
2026-09-30	P00040	Funding only	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION
2026-09-30	P00039	Funding only	$2.28M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION
2026-09-22	P00038	Change order	$5.00M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - CHANGE ORDER FOR CONTINUED HIGH PURITY DEPLETED URANIUM PROJECT SUPPORT AND INCREMENTAL FUNDING OBLIGATION.
2026-09-16	P00037	Funding only	$31.63M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-08-31	P00036	Funding only	$22.66M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-08-31	P00035	Change order	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - CHANGE ORDER FOR PORTSMOUTH REINDUSTRIALIZATION SUPPORT.
2026-08-18	P00034	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - REVISE SECTION J, ATTACHMENT J-2 REQUIREMENTS SOURCES AND IMPLEMENTING DOCUMENTS.
2026-07-30	P00033	Funding only	$25.34M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-07-16	P00032	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - REVISIONS SECTION J, LIST OF ATTACHMENTS, ATTACHMENTS J-5 PPPO SITE SERVICES AND INTERFACE REQUIREMENTS MATRIX AND J-7 PPPO FACILITIES RESPONSIBILITIES MATRIXES.
2026-07-09	P00031	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - 12B CYLINDER SUPPORT.
2026-07-08	P00030	Funding only	$10.80M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-06-29	P00029	Funding only	$38.51M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-06-04	P00028	Funding only	$10.00M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-05-20	P00027	Funding only	$41.89M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-05-20	P00026	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - UPDATES TO CONTRACT SECTIONS B, C, I, AND J. THIS ACTION INCORPORATES THE REQUIREMENTS OF EO 14398.
2026-05-19	P00025	Funding only	-$21.00M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING DE-OBLIGATION
2026-05-12	P00024	Funding only	$9.94M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION
2026-04-28	P00023	Funding only	$13.11M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION
2026-03-31	P00022	Funding only	$18.50M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION
2026-03-05	P00021	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - DEFINITIZATION OF CHANGE ORDER MODIFICATIONS P00007 AND P00008 FOR PADUCAH INFORMATION TECHNOLOGY SUPPORT AND NATIONAL NUCLEAR SECURITY ADMINISTRATION PROGRAM SUPPORT.
2026-02-27	P00020	Funding only	$8.50M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2026-02-04	P00019	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - REVISIONS TO CONTRACT SECTION C - PERFORMANCE WORK STATEMENT, SECTION H - SPECIAL CONTRACT REQUIREMENTS, AND SECTION J ATTACHMENT J-4, SUMMARY OF CONTRACT DELIVERABLES
2026-02-02	P00018	Funding only	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - ADMINISTRATIVE ACCOUNTING LINE ITEM CODE CORRECTION.
2026-01-27	P00017	Funding only	$49.20M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2025-12-31	P00016	Funding only	$12.84M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2025-11-26	P00015	Funding only	$18.14M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2025-11-13	P00014	Funding only	$6.60M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2025-11-10	P00013	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - REVISIONS TO CONTRACT SECTION C - PERFORMANCE WORK STATEMENT AND SECTION J - LIST OF ATTACHMENTS.
2025-11-06	P00012	Funding only	$7.24M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2025-10-22	P00011	Funding only	$560.2K	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2025-09-26	P00010	Funding only	$38.52M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2025-09-24	P00009	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - REVISIONS TO SECTION C AND SECTION J ATTACHMENTS.
2025-09-15	P00008	Change order	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - CHANGE ORDER FOR NATIONAL NUCLEAR SECURITY ADMINISTRATION AND OTHER SITE ENTITY SUPPORT.
2025-09-15	P00007	Change order	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - CHANGE ORDER FOR PADUCAH INFORMATION TECHNOLOGY SUPPORT
2025-09-10	P00006	Funding only	$1.60M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION FOR CONTRACT LINE ITEM NUMBER 00001.
2025-08-07	P00005	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - REVISIONS TO CONTRACT SECTION C, SECTION G, AND SECTION J, ATTACHMENT J-4.
2025-07-28	P00004	Funding only	$1.50M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION FOR CONTRACT LINE ITEM NUMBER 00001.
2025-07-01	P00003	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - CONTRACT SECTION H.5 - DOE-H-2001 EMPLOYEE COMPENSATION: PAY AND BENEFITS.
2025-05-30	P00002	Supplemental agreement (work within scope)	$0	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - VARIOUS CONTRACT SECTION REVISIONS.
2025-05-29	P00001	Funding only	$3.50M	PORTSMOUTH PADUCAH PROJECT OFFICE OPERATIONS AND SITE MISSION SUPPORT - INCREMENTAL FUNDING OBLIGATION.
2024-11-08	0		$500.1K	THE U.S. DEPARTMENT OF ENERGY (DOE), ENVIRONMENTAL MANAGEMENT CONSOLIDATED BUSINESS CENTER (EMCBC) IS SOLICITING FOR THE POTENTIAL CONTRACT AWARD FOR THE CONTINUED MANAGEMENT AND OPERATION OF ALL URANIUM HEXAFLUORIDE (UF6) ACTIVITIES AT PPPO. THIS IN

Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-21). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗

Putting the award page together from the records…