Federal agency contract profile
Department of Energy: Federal Contract Spending & Top Vendors
Data through 2026-08-19 · FY2026 to date
- Obligations, FY2026 to date
- $48.8B
- Contract awards
- 4,183
- Average award size
- $11.7M
- vs. prior full fiscal year
- 0.6% growth
| Item | Obligations |
|---|---|
| FY21 | $37.7B |
| FY22 | $41.2B |
| FY23 | $44.6B |
| FY24 | $46B |
| FY25 | $48.5B |
| FY26 | $48.8B |
Obligations grew 0.6% year over year, from $48.5B in FY2025 to $48.8B in FY2026 to date.
The Department of Energy obligated $48.8B in contract obligations in FY2026 to date across 4,183 awards, with an average award size of $11.7M and year-over-year change up 0.6%. The Department of Energy’s obligations have risen steadily from $37.7B in FY21 to $48.8B in FY26. Facilities Support Services is the largest procurement category at $24B, followed by Research and Development in the Physical, Engineering, and Life Sciences at $7.5B and related R&D subcategories totaling additional billions. The Department of Energy’s top vendors in FY2026 to date include TRIAD NATIONAL SECURITY, LLC at $5.2B and NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC at $4.7B, with several national lab contractors and site operators receiving multi-billion dollar obligations. Contracting for remediation, hazardous waste treatment, and chemical manufacturing are material parts of the portfolio, with Remediation Services at $3.4B, Hazardous Waste Treatment and Disposal at $784M, and Other Basic Inorganic Chemical Manufacturing at $2.9B. These figures reflect fiscal year to date totals and partial current-year reporting.
How has Department of Energy spending changed over recent fiscal years?
The Department of Energy’s obligations increased each fiscal year from $37.7B in FY21 to $48.8B in FY26. The Department of Energy recorded $48.5B in FY25 and $46B in FY24, showing a steady upward path through the period. The Department of Energy’s year-over-year change is up 0.6% for FY2026 to date.
| Item | Obligations |
|---|---|
| Facilities Support Services | $24B |
| Research and Development in the Physical, Engineering, and Life Sciences | $7.5B |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $3.5B |
| Remediation Services | $3.4B |
| Other Basic Inorganic Chemical Manufacturing | $2.9B |
| All Other Professional, Scientific, and Technical Services | $2.1B |
| Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $831M |
| Hazardous Waste Treatment and Disposal | $784M |
| Research and Development in Biotechnology | $648M |
| Unknown | $627M |
Facilities Support Services was Energy's largest contract category, with $24B obligated (49.2% of contract spending).
What categories and vendors dominate Department of Energy contracting?
Facilities Support Services dominates with $24B in obligations for FY2026 to date. The Department of Energy’s top vendors include TRIAD NATIONAL SECURITY, LLC at $5.2B, NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC at $4.7B, and LAWRENCE LIVERMORE NATIONAL SECURITY, LLC at $3.4B. The Department of Energy also obligates substantial amounts for R&D categories and remediation, including $7.5B for Research and Development in the Physical, Engineering, and Life Sciences and $3.4B for Remediation Services.
| Item | Obligations |
|---|---|
| TRIAD NATIONAL SECURITY, LLC | $5.2B |
| NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC | $4.7B |
| LAWRENCE LIVERMORE NATIONAL SECURITY, LLC | $3.4B |
| SAVANNAH RIVER NUCLEAR SOLUTIONS LLC | $3.4B |
| CONSOLIDATED NUCLEAR SECURITY, LLC | $3.1B |
| UT-BATTELLE LLC | $2.6B |
| HONEYWELL FEDERAL MANUFACTURING & TECHNOLOGIES, LLC | $2.1B |
| BATTELLE ENERGY ALLIANCE, LLC | $2B |
| FLUOR MARINE PROPULSION, LLC | $1.9B |
| PANTEXAS DETERRENCE, LLC | $1.6B |
TRIAD NATIONAL SECURITY, LLC led all Energy contractors with $5.2B, 10.7% of obligations.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | TRIAD NATIONAL SECURITY, LLC | $5.2B |
| 2 | NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC | $4.7B |
| 3 | LAWRENCE LIVERMORE NATIONAL SECURITY, LLC | $3.4B |
| 4 | SAVANNAH RIVER NUCLEAR SOLUTIONS LLC | $3.4B |
| 5 | CONSOLIDATED NUCLEAR SECURITY, LLC | $3.1B |
| 6 | UT-BATTELLE LLC | $2.6B |
| 7 | HONEYWELL FEDERAL MANUFACTURING & TECHNOLOGIES, LLC | $2.1B |
| 8 | BATTELLE ENERGY ALLIANCE, LLC | $2B |
| 9 | FLUOR MARINE PROPULSION, LLC | $1.9B |
| 10 | PANTEXAS DETERRENCE, LLC | $1.6B |
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Frequently asked questions
How much does Department of Energy spend on contracts?
The Department of Energy obligated $48.8B in contracts in FY2026 to date across 4,183 awards, with an average award size of $11.7M and year-over-year change up 0.6%.
What does Energy buy?
The Department of Energy buys a lot of Facilities Support Services, which totaled $24B in FY2026 to date, along with Research and Development in the Physical, Engineering, and Life Sciences at $7.5B, Remediation Services at $3.4B, and Other Basic Inorganic Chemical Manufacturing at $2.9B.
Who are Energy's largest contractors?
TRIAD NATIONAL SECURITY, LLC is the largest contractor at $5.2B, followed by NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC at $4.7B, and LAWRENCE LIVERMORE NATIONAL SECURITY, LLC at $3.4B.
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