Federal agency contract profile
Department of Energy: Federal Contract Spending & Top Vendors
Data through 2026-09-28 · FY2026 to date
- Obligations, FY2026 to date
- $52.7B
- Contract awards
- 4,776
- Average award size
- $11M
- vs. prior full fiscal year
- 8.5% growth
| Item | Obligations |
|---|---|
| FY21 | $37.7B |
| FY22 | $41.2B |
| FY23 | $44.6B |
| FY24 | $46B |
| FY25 | $48.5B |
| FY26 | $52.7B |
Obligations grew 8.5% year over year, from $48.5B in FY2025 to $52.7B in FY2026 to date.
The Department of Energy obligated $52.7B in contracts in FY2026 to date. The Department of Energy recorded 4,776 awards with an average award size of $11M, and obligations were up 8.5% year over year. Obligations rose steadily from $37.7B in FY21 to $52.7B in FY26, with intermediate totals of $41.2B in FY22, $44.6B in FY23, $46B in FY24, and $48.5B in FY25. Facilities Support Services is the largest spending category at $25.3B, followed by Research and Development in the Physical, Engineering, and Life Sciences at $8.1B and Remediation Services at $3.7B. TRIAD NATIONAL SECURITY, LLC is the top vendor at $5.3B, with NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC at $5.2B and LAWRENCE LIVERMORE NATIONAL SECURITY, LLC at $3.6B. The page covers contract obligations only, and the FY2026 total is a fiscal year to date figure.
How have Energy's contract obligations changed over recent fiscal years?
The Department of Energy's obligations increased each fiscal year from FY21 through FY26. Obligations moved from $37.7B in FY21 to $41.2B in FY22, $44.6B in FY23, $46B in FY24, $48.5B in FY25, and $52.7B in FY26. The Department of Energy's obligations were up 8.5% year over year for the current fiscal year to date. The FY2026 total is a partial, fiscal year to date figure.
| Item | Obligations |
|---|---|
| Facilities Support Services | $25.3B |
| Research and Development in the Physical, Engineering, and Life Sciences | $8.1B |
| Remediation Services | $3.7B |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $3.6B |
| Other Basic Inorganic Chemical Manufacturing | $2.9B |
| All Other Professional, Scientific, and Technical Services | $2.4B |
| Unknown | $1.1B |
| Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $844M |
| Hazardous Waste Treatment and Disposal | $787M |
| Research and Development in Biotechnology | $763M |
Facilities Support Services was Energy's largest contract category, with $25.3B obligated (48.0% of contract spending).
Which industries and vendors account for the largest share of Energy's contracting?
Facilities Support Services accounts for the largest share at $25.3B, followed by Research and Development in the Physical, Engineering, and Life Sciences at $8.1B and Remediation Services at $3.7B. The Department of Energy's top vendors are TRIAD NATIONAL SECURITY, LLC at $5.3B and NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC at $5.2B, with LAWRENCE LIVERMORE NATIONAL SECURITY, LLC at $3.6B. Several other vendors exceed $1.6B, including SAVANNAH RIVER NUCLEAR SOLUTIONS LLC, CONSOLIDATED NUCLEAR SECURITY, LLC, and UT-BATTELLE LLC.
| Item | Obligations |
|---|---|
| TRIAD NATIONAL SECURITY, LLC | $5.3B |
| NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC | $5.2B |
| LAWRENCE LIVERMORE NATIONAL SECURITY, LLC | $3.6B |
| SAVANNAH RIVER NUCLEAR SOLUTIONS LLC | $3.4B |
| CONSOLIDATED NUCLEAR SECURITY, LLC | $3.3B |
| UT-BATTELLE LLC | $2.8B |
| HONEYWELL FEDERAL MANUFACTURING & TECHNOLOGIES, LLC | $2.2B |
| BATTELLE ENERGY ALLIANCE, LLC | $2.1B |
| FLUOR MARINE PROPULSION, LLC | $1.9B |
| PANTEXAS DETERRENCE, LLC | $1.6B |
TRIAD NATIONAL SECURITY, LLC led all Energy contractors with $5.3B, 10.0% of obligations.
| Rank | Vendor | Obligations |
|---|---|---|
| 1 | TRIAD NATIONAL SECURITY, LLC | $5.3B |
| 2 | NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC | $5.2B |
| 3 | LAWRENCE LIVERMORE NATIONAL SECURITY, LLC | $3.6B |
| 4 | SAVANNAH RIVER NUCLEAR SOLUTIONS LLC | $3.4B |
| 5 | CONSOLIDATED NUCLEAR SECURITY, LLC | $3.3B |
| 6 | UT-BATTELLE LLC | $2.8B |
| 7 | HONEYWELL FEDERAL MANUFACTURING & TECHNOLOGIES, LLC | $2.2B |
| 8 | BATTELLE ENERGY ALLIANCE, LLC | $2.1B |
| 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 $52.7B in contracts in FY2026 to date. The Department of Energy recorded 4,776 awards with an average award size of $11M, and obligations were up 8.5% year over year. The FY2026 total is a partial, fiscal year to date figure.
What does Energy buy?
Energy buys a large amount of Facilities Support Services, with $25.3B obligated to that category in FY2026 to date. The Department of Energy also obligated $8.1B for Research and Development in the Physical, Engineering, and Life Sciences and $3.7B for Remediation Services, with additional spending across other R&D and chemical manufacturing categories.
Who are Energy's largest contractors?
TRIAD NATIONAL SECURITY, LLC is the largest contractor at $5.3B, followed by NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC at $5.2B and LAWRENCE LIVERMORE NATIONAL SECURITY, LLC at $3.6B. Other top contractors include SAVANNAH RIVER NUCLEAR SOLUTIONS LLC ($3.4B), CONSOLIDATED NUCLEAR SECURITY, LLC ($3.3B), and UT-BATTELLE LLC ($2.8B).
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