What was the dollar value of contract DEAC0506OR23177?

The total obligated amount for contract DEAC0506OR23177 is $806,329,290.

When was contract DEAC0506OR23177 awarded?

Contract DEAC0506OR23177 was first awarded on October 5, 2007.

What NAICS code does contract DEAC0506OR23177 fall under?

Contract DEAC0506OR23177 is classified under NAICS code 541710.

What agency awarded contract DEAC0506OR23177?

Contract DEAC0506OR23177 was awarded by Department Of Energy.

Contract DEAC0506OR23177

Name: Contract DEAC0506OR23177 — federal award record
Creator: BesaGov
License: https://www.usa.gov/government-works

Jefferson Science Associates, Llc · Department Of Energy · October 5, 2007

Cost Plus Award FeeFull & Open CompetitionNAICS 541710

Jefferson Science Associates, Llc was awarded a federal contract by Department Of Energy on October 5, 2007 for $806.33 million of work in research and development in the physical, engineering, and life sciences. Performance is in Newport News, VA. It was awarded under full and open competition. The contract has been modified 142 times since the base award It uses cost-plus contract pricing. The most recent modification was on June 23, 2026. If all options are exercised, the contract could reach $3.79 billion.

Obligated to date

$806.33M

$806,329,290

Current value

$3.39B

Potential value

$3.79B

if all options exercised

Modifications

142

Latest June 23, 2026

Contract details

PIID: DEAC0506OR23177
Award type: Definitive Contract
Pricing: Cost Plus Award Fee
Set-aside: No Set Aside Used.
Competition: Full And Open Competition
NAICS: 541710 · Research And Development In The Physical, Engineering, And Life Sciences
Product / service: Oper Of Govt R&D Goco Facilities
Place of performance: Newport News, VA
First action: October 5, 2007
Latest action: June 23, 2026

Description

MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: -33,225.85; NON-APPROPRIATED FUNDS: $0)

Modification timeline

June 23, 2026

Mod 477 · Funding Only Action

$3.12B
June 11, 2026

Mod 476 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: -$160,118,424.20; NON-APPROPRIATED FUNDS: -$2,168,440.64)

$3.12B
March 30, 2026

Mod 472 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: -$5,181,387.76; NON-APPROPRIATED FUNDS: $0)

$3.29B
February 25, 2026

Mod 471 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: $19,473,597; NON-APPROPRIATED FUNDS: $150,000)

$3.30B
February 2, 2026

Mod 470 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: -620,555.58; NON-APPROPRIATED FUNDS: $22,280.53)

$3.28B

December 12, 2025

Mod 469 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: -$116.81; NON-APPROPRIATED FUNDS: $90,062)

$3.28B
November 24, 2025

Mod 468 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: $89,521,503; NON-APPROPRIATED FUNDS: $0)

$3.28B
November 10, 2025

Mod 467 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: $0; NON-APPROPRIATED FUNDS: $46,195)

$3.19B
October 29, 2025

Mod 466 · Funding Only Action
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: $2,880,770.43; NON-APPROPRIATED FUNDS: $0)

$3.19B
October 24, 2025

Mod 465 · Supplemental Agreement For Work Within Scope
MANAGEMENT AND OPERATION OF THE THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY (APPROPRIATED FUNDS: $0; NON-APPROPRIATED FUNDS: $0)

$3.18B

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Top contractors in NAICS 541710

Lifetime obligated dollars across all federal contracts in this NAICS code.

#	Contractor	Contracts	Obligated
1	Lawrence Livermore National Security, Llc	1	$2.89B
2	Battelle Memorial Institute	1	$718.51M
3	Uchicago Argonne, Llc	1	$554.49M
4	The Regents Of The University Of California	1	$463.23M
5	The Leland Stanford Junior University	3	$284.79M
6	Lockheed Martin Corp	1	$125.39M
7	Jefferson Science Associates, Llc	1	$121.19M
8	Association Of Universities For Research In Astronomy, Inc.	1	$64.12M
9	Smithsonian Institution	2	$58.74M
10	Iowa State University Of Science And Technology	1	$10.36M

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Frequently asked questions

What is contract DEAC0506OR23177?

Contract DEAC0506OR23177 is a federal contract awarded to Jefferson Science Associates, Llc by Department Of Energy on October 5, 2007 for $806.33 million of work classified under RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES. It has been modified 142 times since the base award.

Who won contract DEAC0506OR23177?

Jefferson Science Associates, Llc won contract DEAC0506OR23177 from Department Of Energy.

How much is contract DEAC0506OR23177 worth?

Contract DEAC0506OR23177 has obligated $806.33 million to date, with a total potential value of $3.79 billion if all options are exercised.