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National Nuclear Security Administration (NNSA)

The NNSA is the semi-autonomous DOE agency responsible for the U.S. nuclear weapons stockpile, naval reactor propulsion, and nuclear nonproliferation programs. Reporting covers warhead life extension, plutonium pit production, site contracts, budget requests, and the agency’s laboratory and production plant complex.

  • House Dems “urgently demand” end to furloughs as labs send workers home

    House lawmakers condemned the furloughs of 1,400 of DOE’s semi-autonomous National Nuclear Security Administration (NNSA) workers in a letter to Secretary of Energy Chris Wright and NNSA administrator Brandon Williams. “As Secretary Wright noted in his press availability in Las Vegas, furloughing NNSA employees has never happened before. Government shutdowns, however, have occurred throughout the […]

  • Nuclear working group event with Brandon Williams postponed

    The Congressional Nuclear Security Working Group and Advanced Nuclear Weapons Alliance Deterrence Center (ANWA) postponed a Monday meeting at the Capitol with Brandon Williams, head of the National Nuclear Security Administration. “Due to the federal government shutdown, the planned Discussion with The Honorable Brandon Williams and Dr. Richard Tighe [CEO of Consolidated Nuclear Security, the […]

  • NNSA furloughs 80% of workforce, focus on keeping Pantex and Y-12 open

    The National Nuclear Security Administration (NNSA) furloughed around 1,400 employees, 80% of its workforce, with only 375 exempted as critical personnel that will still come into work Monday. “Today, roughly 80% of the National Nuclear Security Administration is being furloughed,” Sen. Roger Wicker, chairman of the Senate Armed Services Committee, said in a statement Monday. […]

  • EnergySec thanks Cortez Masto for vote, says ‘virtually all’ NNSS fed employees furloughed

    Secretary of Energy Chris Wright, in a press conference Monday in Nevada., said all of the federal employees at Nevada National Security Site (NNSS) had been furloughed. Wright spoke in two press conferences in Nevada Monday, one being in Las Vegas and one being at the physical site of NNSS in Mercury, Nev. north of […]

  • Portsmouth, Paducah union reps troubled by shutdown limbo

    United Steelworkers (USW) representatives at the Department of Energy’s Portsmouth and Paducah Sites say they are troubled by lack of information coming from DOE and its contractors during the government shutdown. In an online conversation Wednesday, union representatives told Exchange Monitor they are reaching out to elected officials from Kentucky and Ohio about confusion and […]

  • EnergySec thanks Cortez Masto for vote, says ‘virtually all’ NNSS fed employees furloughed

    Secretary of Energy Chris Wright, in a press conference Monday in Nevada., said all of the federal employees at Nevada National Security Site (NNSS) had been furloughed. Wright spoke in two press conferences in Nevada Monday, one being in Las Vegas and one being at the physical site of NNSS in Mercury, Nev. north of […]

  • NNSA furloughs 80% of workforce, focus on keeping Pantex and Y-12 open

    The National Nuclear Security Administration (NNSA) furloughed around 1,400 employees, 80% of its workforce, with only 375 exempted as critical personnel that will still come into work Monday. A source told the Exchange Monitor Monday the current focus is keeping the Y-12 National Security Complex and Pantex Plant running since both sites run out of […]

  • Australia doubles sub supplier qualification investments

    The Australian government announced it was doubling its investment in a submarine supplier qualification pilot program that is helping companies qualify to enter the supply chain of the U.S. submarine industrial base. The Australian Submarine Supplier Qualification Pilot is specifically meant to provide more ways for Australian small and medium enterprises to access the American […]

  • Oak Ridge industry day highlights data center potential

    The Department of Energy will consider the potential return to the government when it weighs proposals for developing data centers and power plants around the Oak Ridge Site in Tennessee, a DOE official said during a virtual meeting Wednesday. DOE will be looking at the “financial capability” of the applicants, Marla Larson-Williams of Oak Ridge […]

  • Radiant to build microreactor factory in Oak Ridge

    Radiant Nuclear plans to build its first portable nuclear generator factory on land near the Department of Energy’s Oak Ridge Site in Tennessee, the company announced this week.  The El Segundo, Calif. based microreactor developer company will invest $280 million in its new factory and create 175 new jobs in Roane County, according to Tennessee […]

  • Oak Ridge industry day highlights data center potential

    The Department of Energy is holding a virtual industry day Wednesday on the potential for data center development at the Oak Ridge Site in Tennessee. The session, scheduled between 1 p.m. and 3:15 p.m. Eastern Time, will include details about a request for proposal (RFP) process for artificial intelligence-related data centers at the federal complex. […]

  • NNSA head warns House speaker of shutdown impacts

    Brandon Williams, administrator of the National Nuclear Security Administration (NNSA), warned House Speaker Mike Johnson (R-La.) last week that a prolonged shutdown would force temporary suspension of nuclear security programs. Williams told Johnson this in a private meeting, Politico reported. Williams, who oversees the nation’s nuclear weapons stockpile and nonproliferation programs, said such programs and […]

  • Radiant to build microreactor factory in Oak Ridge

    Radiant Nuclear plans to build its first portable nuclear generator factory on land near the Department of Energy’s Oak Ridge Site in Tennessee, the company announced this week.  The El Segundo, Calif. based microreactor developer company will invest $280 million in its new factory and create 175 new jobs in Roane County, according to Tennessee […]

  • NNSA head warns House speaker of shutdown impacts

    Brandon Williams, administrator of the National Nuclear Security Administration (NNSA), warned House Speaker Mike Johnson (R-La.) last week that a prolonged shutdown would force temporary suspension of nuclear security programs. Williams told Johnson this in a private meeting, Politico reported. Williams, who oversees the nation’s nuclear weapons stockpile and nonproliferation programs, said such programs and […]

  • Wrap Up: Holtec drops N.M. interim storage plan; DNFSB reports on Y-12 emergency system; Charter extended for radiation panel

    Holtec International has canceled plans to build an interim nuclear waste storage facility in New Mexico, months after an U.S. Supreme Court ruling that made way for such projects in New Mexico and Texas. “After discussions with our longtime partner in the HI-STORE project, the Eddy-Lea Energy Alliance [ELEA], and due to the untenable path […]

  • Rosen grills NNSA defense programs nominee on nuclear weapons testing

    WASHINGTON – For technical reasons there is no current need for the United States to conduct above-ground or underground nuclear weapons’ tests, David Beck, President Donald Trump’s nominee for deputy administrator of defense programs at the National Nuclear Security Administration (NNSA), told a Senate hearing Tuesday.  Beck was responding to Sen. Jacky Rosen (D-Nev.), whose […]

  • Defense Nuclear Nonproliferation head at NNSA sworn in

    Matthew Napoli, President Donald Trump’s pick for Deputy Administrator for Defense Nuclear Nonproliferation (DNN) at the National Nuclear Security Administration (NNSA), was sworn in Oct. 3 by Secretary of Energy Chris Wright. Napoli announced the swearing in on his LinkedIn page Sunday.  “A special thank you to the incredible NNSA leadership team of Brandon Williams […]

  • DNFSB wants louder Y-12 emergency notification system

    Management for a Y-12 building found its emergency notification system in “degrading condition” due to its volume levels lowering, according to a September nuclear watchdog report. The buildings in question are Building 9204-2E and Building 9204-2, which are conjoined by a section of a wall. While work orders have been placed to repair the emergency […]

  • Senate-passed NDAA includes Wicker amendment on Pantex Plant

    The Senate, amid an ongoing government shutdown, passed its mammoth annual authorization bill, the 2026 National Defense Authorization Act (NDAA), 70-20 Thursday with an en bloc amendment that includes a provision on an explosives facility in Amarillo, Texas. Sen. Roger Wicker (R-Miss.), chairman of the Senate Armed Services Committee, had a 71-page en bloc amendment […]

  • NNSA funded until Friday Oct. 10, Energy Secretary Chris Wright says, Rosen begs to differ

    The National Nuclear Security Administration will move into “emergency shutdown procedures” Friday if the government does not reopen, Secretary of Energy Chris Wright said last week on Fox News. “We have about eight more days of funding for the National Nuclear Security Administration [NNSA],” Wright said in an Oct. 2 interview with Fox News’s Laura […]

  • NNSA funded until Oct. 10, EnergySec Wright says, Rosen begs to differ

    The Department of Energy’s National Nuclear Security Administration will move into “emergency shutdown procedures” Friday if the government does not reopen, Secretary of Energy Chris Wright said last week on Fox News. “We have about eight more days of funding for the National Nuclear Security Administration [NNSA],” Wright said in an Oct. 2 interview with […]

  • Rosen grills NNSA defense programs nominee on nuclear weapons testing

    WASHINGTON – For technical reasons there is no current need for the United States to conduct above-ground or underground nuclear weapons’ tests, David Beck, President Donald Trump’s nominee for deputy administrator of defense programs at the National Nuclear Security Administration (NNSA), told a Senate hearing Tuesday.  Beck was responding to Sen. Jacky Rosen (D-Nev.), whose […]

  • Defense Nuclear Nonproliferation head at NNSA sworn in

    Matthew Napoli, President Donald Trump’s pick for Deputy Administrator for Defense Nuclear Nonproliferation (DNN) at the National Nuclear Security Administration (NNSA), was sworn in Oct. 3 by Secretary of Energy Chris Wright. Napoli announced the swearing in on his LinkedIn page Sunday.  “A special thank you to the incredible NNSA leadership team of Brandon Williams […]

  • NNSA funded until Oct. 10, Energy Secretary Chris Wright says

    The National Nuclear Security Administration will move into “emergency shutdown procedures” this week if the government does not reopen, Secretary of Energy Chris Wright said last week on Fox News. “We have about eight more days of funding for the National Nuclear Security Administration [NNSA],” Wright said in an Oct. 2 interview with Fox News’s […]

  • USAF wants to solidify requirements for Sentinel silos, launch centers

    As the Air Force restructures the program for the future intercontinental ballistic missile, it wants to solidify requirements for the missile silos and launch centers before possibly recertifying the program for engineering and manufacturing development (EMD) in 2027. In an interview, run by Exchange Monitor affiliate Defense Daily in September at the Air and Space […]

  • EM takes down Test Cell C at Nevada National Security Site

      The Department of Energy’s nuclear cleanup office said last week it has taken down a major 1960s era contaminated facility at the Nevada National Security Site (NNSS). After three years of labor intensive work, crews directed by DOE’s Office of Environmental Management (EM) have dismantled Test Cell C at the Nevada site’s Area 25, […]

  • Cortez Masto fears shutdown impact on NNSS in splitting with Dems

    Sen. Catherine Cortez Masto (D-Nev.) cited the potential impact on in-state military installations as well as the Department of Energy’s Nevada National Security Site as her reason for supporting a Republican-led continuing resolution Tuesday night. “A government shutdown would force tens of thousands of Nevada military personnel, union members, law enforcement agents and military nurses […]

  • NNSA requests proposals for AI data centers at Savannah River Site

    The Department of Energy’s National Nuclear Security Administration (NNSA) Tuesday published a request seeking proposals from contractors looking to build and power artificial intelligence (AI) data centers at Savannah River Site in Aiken, S.C. The notice calls for “entities interested in entering a long-term lease” located at Savannah River Site. Interested parties would be involved […]

  • LANL and NNSA complete tritium container treatment

    The National Nuclear Security Administration (NNSA) and its Los Alamos National Laboratory (LANL) have completed treating four flanged tritium waste containers, according to a Sept. 26 press release by the New Mexico Environment Department. The Department of Energy’s semiautonomous branch in charge of maintaining the nation’s nuclear weapons stockpile informed the New Mexico Environment Department […]

  • NNSA has not notified Congress effectively of cost growth, GAO says

    The National Nuclear Security Administration (NNSA) has not used effective strategies to manage cost growth notifications for its construction projects, according to a report by the Government Accountability Office (GAO). The GAO squeezed this report on NNSA and one more Sept. 30 before the government shut down at 12:01 a.m. Eastern time Wednesday. “Over the […]