DEPARTMENT OF ENERGY NATIONAL SECURITY PROGRAMS.

SEC. 4701. DEPARTMENT OF ENERGY NATIONAL SECURITY PROGRAMS. SEC. 4701. DEPARTMENT OF ENERGY NATIONAL SECURITY PROGRAMS(In Thousands of Dollars) ProgramFY 2026 RequestConference Authorized Discretionary Summary By Appropriation Energy And Water Development, And Related Agencies Appropriation Summary: Nuclear Energy160,000160,000 Defense Uranium Enrichment D&D278,0000 Atomic Energy Defense Activities National nuclear security administration: Weapons activities20,074,40021,028,745 Defense nuclear nonproliferation2,284,6002,284,600 Naval reactors2,346,0002,101,000 Federal salaries and expenses555,000555,000 Total, National Nuclear Security Administration25,260,00025,969,345 Environmental and other defense activities: Defense environmental cleanup6,956,0006,956,000 Other defense activities1,182,0001,182,000 Total, Environmental & other defense activities8,138,0008,138,000 Total, Atomic Energy Defense Activities33,398,00034,107,345139 STAT. 1555 Total, Discretionary Funding33,836,00034,267,345 Nuclear Energy Idaho sitewide safeguards and security160,000160,000 Total, Nuclear Energy160,000160,000 Defense Uranium Enrichment D&D Defense Uranium Enrichment D&D Program278,0000 Program decrease[–278,000] Total, Defense Uranium Enrichment D&D278,0000 Weapons Activities Stockpile Management Stockpile Major Modernization B61–12 Life Extension Program16,00016,000 W80–4 Life Extension Program1,259,0481,259,048 SLCM-N Warhead050,000 Reconciliation adjustment[50,000] W87–1 Modification Program649,096649,096 W93 Program806,797806,797 B61–1349,35749,357 Total, Stockpile Major Modernization2,780,2982,830,298 Stockpile services Stockpile Sustainment1,720,2001,720,200 Weapons Dismantlement and Disposition82,36782,367 Production Operations1,020,2431,020,243 Nuclear Enterprise Assurance117,193117,193 Subtotal, Stockpile Services2,940,0032,940,003 Total, Stockpile Management5,720,3015,770,301 Production Modernization Primary Capability Modernization Plutonium Modernization Los Alamos Plutonium Modernization Los Alamos Pit Production982,263982,263 21–D–512 Plutonium Pit Production Project, LANL509,316509,316 15–D–302 TA–55 Reinvestments Project, Phase 3, LANL7,9427,942 07–D–220-04 Transuranic Liquid Waste Facility, LANL5,8655,865 04–D–125 Chemistry and Metallurgy Research Replacement Project, LANL00 Subtotal, Los Alamos Plutonium Modernization1,505,3861,505,386 Savannah River Plutonium Modernization Savannah River Pit Production75,48675,486 21–D–511 Savannah River Plutonium Processing Facility, SRS1,130,0001,130,000 Subtotal, Savannah River Plutonium Modernization1,205,4861,205,486 Enterprise Plutonium Support122,094122,094 Total, Plutonium Modernization2,832,9662,832,966 High Explosives and Energetics High Explosives & Energetics132,023132,023 21–D–510 HE Synthesis Formulation and Production, PX00 PFAS Binder Mitigation and Future Alternatives00139 STAT. 1556 Total, High Explosives and Energetics132,023132,023 Total, Primary Capability Modernization2,964,9892,964,989 Secondary Capability Modernization Secondary Capability Modernization770,186770,186 18–D–690 Lithium Processing Facility, Y–12065,000 Reconciliation adjustment[65,000] 06–D–141 Uranium Processing Facility, Y–120500,000 Reconciliation adjustment[500,000] Total, Secondary Capability Modernization770,1861,335,186 Tritium and Defense Fuels Program Tritium and Defense Fuels Program568,384568,384 18–D–650 Tritium Finishing Facility, SRS00 Total, Tritium and Defense Fuels Program568,384568,384 Non-Nuclear Capability Modernization221,588221,588 26–D–511 MESA Photolithography Capability (MPC), SNL40,00040,000 26–D–510 Product Realization Infrastructure for Stockpile Modernization (PRISM), LLNL15,00015,000 Warhead Assembly Modernization34,33634,336 Capability Based Investments177,996177,996 22–D–513 Power Sources Capability, SNL0115,000 Reconciliation adjustment[115,000] Total, Production Modernization4,792,4795,472,479 Stockpile Research, Technology, and Engineering Assessment Science980,959980,959 26–D–512 LANSCE Modernization Project (LAMP), LANL20,00020,000 24–D–513 Z-pinch Experimental Underground System (ZEUS) Test Bed Facilities Improvement (ZTBFI), NNSS057,345 Reconciliation adjustment[57,345] 17–D–640 U1a Complex Enhancements Project, NNSS064,000 Reconciliation adjustment[64,000] Engineering and Integrated Assessments399,777399,777 26–D–513 Combined Radiation Environments for Survivability Testing, SNL52,24852,248 Inertial Confinement Fusion699,206699,206 26–D–514 NIF Enhanced Fusion Yield Capability, LLNL26,00026,000 Advanced Simulation and Computing865,995865,995 Weapon Technology and Manufacturing Maturation276,279276,279 Total, Stockpile Research, Technology, and Engineering3,320,4643,441,809 Academic Programs94,00094,000 Total, Academic Programs94,00094,000 Infrastructure and Operations Operations of facilities1,722,0001,722,000 Safety and environmental operations194,360194,360 Maintenance and repair of facilities920,000920,000 Recapitalization741,179741,179 Construction: 25–D–511 PULSE New Access, NNSS048,000 Reconciliation adjustment[48,000]139 STAT. 1557 23–D–517 Electrical Power Capacity Upgrade, LANL085,000 Reconciliation adjustment[85,000] Total, Construction0133,000 Total, Infrastructure and operations3,577,5393,710,539 Secure transportation asset Operations and equipment299,541299,541 Program direction149,244149,244 Total, Secure transportation asset448,785448,785 Defense Nuclear Security Operations and Maintenance1,245,4181,245,418 Total, Defense nuclear security1,245,4181,245,418 Information technology and cybersecurity811,208781,208 Program decrease[–30,000] Legacy contractor pensions64,20664,206 Total, Weapons Activities20,074,40021,028,745 Defense Nuclear Nonproliferation Defense Nuclear Nonproliferation Programs Global material security International nuclear security62,86562,865 Radiological security186,406186,406 Nuclear smuggling detection and deterrence140,601140,601 Total, Global material security389,872389,872 Material management and minimization Reactor Conversion and Uranium Supply63,38363,383 Nuclear Material Removal and Elimination61,00061,000 Plutonium Disposition150,686150,686 Total, Material management & minimization275,069275,069 Nonproliferation and arms control221,008221,008 Defense nuclear nonproliferation R&D Proliferation Detection269,376269,376 Nuclear Detonation Detection307,435307,435 Forensics R&D20,46020,460 Nonproliferation Stewardship Program149,383149,383 Total, Defense nuclear nonproliferation R&D746,654746,654 Nonproliferation Construction: 18–D–150 Surplus Plutonium Disposition Project, SRS50,00050,000 Total, Nonproliferation construction50,00050,000 Total, Defense Nuclear Nonproliferation Programs1,682,6031,682,603 Nuclear counterterrorism and incident response program Emergency Management33,12233,122 Counterterrorism and Counterproliferation596,878596,878 Total, Nuclear Counterterrorism and Incident Response Program630,000630,000 Legacy contractor pensions20,99320,993 Use of Prior Year Balances–48,996–48,996 Total, Defense Nuclear Nonproliferation2,284,6002,284,600139 STAT. 1558 Naval Reactors Naval reactors development884,579884,579 Columbia-Class reactor systems development35,30035,300 Naval reactors operations and infrastructure703,581703,581 Program direction61,54061,540 Construction: 26–D–530 East Side Office Building75,00075,000 25–D–530 Naval Examination Acquisition Project60,00060,000 14–D–901 Spent Fuel Handling Recapitalization Project, NRF526,000281,000 Program decrease[–245,000] Total, Construction661,000416,000 Total, Naval Reactors2,346,0002,101,000 Federal Salaries And Expenses Program Direction555,000555,000 Total, Federal Salaries And Expenses555,000555,000 Defense Environmental Cleanup Closure sites: Closure sites administration500500 Richland: River corridor and other cleanup operations68,56268,562 Central plateau remediation754,259754,259 Richland community and regulatory support10,70010,700 Construction: 22–D–402 L–897, 200 Area Water Treatment Facility4,0004,000 Total, Construction—Richland4,0004,000 Total, Richland837,521837,521 Office of River Protection: Waste Treatment Immobilization Plant Commissioning390,415390,415 Rad liquid tank waste stabilization and disposition923,212923,212 Construction: 01–D–16D High-Level Waste Facility600,000600,000 01–D–16E Pretreatment Facility00 15–D–409 Low Activity Waste Pretreatment System78,60078,600 23–D–403, Hanford 200 West Area Tank Farms Risk Management Project108,200108,200 Total, Construction—Office of River Protection 786,800786,800 Total, Office of River Protection2,100,4272,100,427 Idaho National Laboratory: Idaho cleanup and waste disposition452,242452,242 Idaho community and regulatory support3,7793,779 Construction: 22–D–403 Idaho Spent Nuclear Fuel Staging Facility2,0002,000 23–D–402—Calcine Construction2,0002,000 Total, Construction—Idaho4,0004,000 Total, Idaho National Laboratory460,021460,021 NNSA sites and Nevada off-sites139 STAT. 1559 Lawrence Livermore National Laboratory1,9551,955 Nuclear facility D & D Separations Process Research Unit950950 Nevada Site64,83564,835 Sandia National Laboratories1,0301,030 Los Alamos National Laboratory278,288278,288 Los Alamos Excess Facilities D&D1,6931,693 Total, NNSA sites and Nevada off-sites348,751348,751 Oak Ridge Reservation: OR Nuclear facility D & D346,562346,562 Total, OR Nuclear facility D & D346,562346,562 U233 Disposition Program63,00063,000 OR cleanup and disposition75,00075,000 Construction: 14–D–403 Outfall 200 Mercury Treatment Facility34,88534,885 17–D–401 On-site waste disposal facility15,05015,050 Total, Construction—Oak Ridge49,93549,935 Total, OR cleanup and waste disposition187,935187,935 OR community & regulatory support5,9005,900 OR technology development and deployment3,3003,300 Total, Oak Ridge Reservation543,697543,697 Savannah River Sites: Savannah River risk management operations396,394396,394 Construction: 19–D–701 SR Security Systems Replacement708708 Total, Savannah River Risk Management Operations397,102397,102 SR Community and Regulatory Support5,3175,317 Savannah River National Laboratory Operations & Maintenance90,71990,719 Radioactive Liquid Tank Waste Stabilization and Disposition1,066,0001,066,000 Construction: 20-D–401 Saltstone Disposal Unit #10, 11, 1252,50052,500 Total, Construction—Savannah River sites52,50052,500 Total, Savannah River sites1,611,6381,611,638 Waste Isolation Pilot Plant Waste Isolation Pilot Plant413,424413,424 Construction: 21–D–401 Hoisting Capability Project2,0002,000 Total, Construction—Waste Isolation Pilot Plant2,0002,000 Total, Waste Isolation Pilot Plant415,424415,424 Program Direction312,818312,818 Program Support20,32020,320 Safeguards and Security288,871288,871 Technology Development and Deployment16,01216,012 Total, Defense Environmental Cleanup6,956,0006,956,000 Other Defense Activities Environment, health, safety and security Program direction90,55590,555139 STAT. 1560 Environment, Health, Safety & Security141,908141,908 Total, Environment, Health, safety and security232,463232,463 Office of Enterprise Assessments Program direction59,13259,132 Enterprise Assessments30,02230,022 Total, Office of Enterprise Assessments89,15489,154 Specialized security activities441,000441,000 Office of Legacy Management Legacy management177,716177,716 Program direction22,54222,542 Total, Office of Legacy Management200,258200,258 Defense-related administrative support214,626214,626 Office of hearings and appeals4,4994,499 Subtotal, Other Defense Activities1,182,0001,182,000 Total, Other Defense Activities1,182,0001,182,000