Office of Environmental Management (EM)
DOE’s Office of Environmental Management runs the cleanup of Cold War nuclear weapons production sites, the largest environmental remediation program in the world. Coverage tracks EM budgets, contract awards, tank waste treatment, and site closure milestones across Hanford, Savannah River, Oak Ridge, Idaho, Portsmouth, and Paducah.
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High-Level & Tank Waste
Newest jumbo SDU at Savannah River to undergo leak testing
Work crews at the Department of Energy’s Savannah River Site in South Carolina are starting what DOE dubs a “leak-tightness” test on its fifth super-sized saltstone disposal unit (SDU) at the federal complex near Aiken, S.C. Starting Monday, Oct. 27, environmental contractor Savannah River Mission Completion was to begin running the test on SDU-10, DOE […]
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Cleanup & Remediation
Savannah River staff, work not yet hit by shutdown: DOE
Liquid waste treatment, plutonium down-blending, and other work at the Department of Energy’s Savannah River Site (SRS) in South Carolina have not yet been affected yet by the federal shutdown, according to a DOE spokesperson. Questions about potential impacts at the 310-square-mile site were initially sent to SRS offices near Aiken, S.C. before being directed […]
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Cleanup & Remediation
New EM boss will find old infrastructure, other challenges, DNFSB says
As Tim Walsh, the new Department of Energy assistant secretary for Environmental Management, settles into his office, he will find a letter from a federal watchdog about old equipment and ongoing safety concerns within the DOE nuclear complex. Walsh was sworn in to head the $8-billion nuclear cleanup office on Thursday Oct. 23 after being […]
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Cleanup & Remediation
Walsh introduces himself in email to Environmental Management crew
Despite the government shutdown, Tim Walsh, the new head of the Department of Energy’s Office of Environmental Management (EM) introduced himself to staff this week in a “Dear EM Team” email. “I’m thrilled to be sworn in as the EM Assistant Secretary and privileged to lead this exceptional organization,” said Walsh, who was sworn-in by […]
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Budget & Policy
Contractor group says NNSA, DOE contractors have 2-4 weeks of funding left
The Professional Services Council (PSC), a trade association representing 400 federal contractors, wrote a letter Oct. 28 to Congressional leaders mourning the federal government shutdown, citing its effect on the National Nuclear Security Administration (NNSA) among other agencies. The letter, obtained by the Exchange Monitor, was addressed to Senate Majority Leader John Thune (R-S.D.), Senate […]
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Cleanup & Remediation
House Cleanup Caucus gathering called off
The House Cleanup Caucus event scheduled for the evening of Nov. 4 at the House Rayburn Building in Washington, D.C. has been postponed, apparently due to the ongoing federal government shutdown, The organizers announced the move Tuesday. No makeup date was announced in the emailed notice. The invitation-only gathering is hosted by the Energy Facility […]
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Cleanup & Remediation
Walsh introduces himself in email to Environmental Management staff
Despite the government shutdown, Tim Walsh, the new head of the Department of Energy’s Office of Environmental Management (EM) introduced himself to staff this week in a “Dear EM Team” email. “I’m thrilled to be sworn in as the EM Assistant Secretary and privileged to lead this exceptional organization,” said Walsh, who was sworn-in by […]
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Cleanup & Remediation
Four Rivers could stick around at Paducah into 2028
The Department of Energy’s nuclear cleanup office expects to extend by up to a year the Deactivation and Remediation contract held by Four Rivers Nuclear Partnership at the Paducah Site in Kentucky. According to an online procurement notice from late June, DOE’s Office of Environmental Management expects to extend the contract period up to 12 […]
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Cleanup & Remediation
New EM boss will find old infrastructure, other challenges, DNFSB says
As Tim Walsh, the new Department of Energy assistant secretary for Environmental Management, settles into his office, he will find a letter from a federal watchdog about old equipment and ongoing safety concerns within the DOE nuclear complex. Walsh was sworn in to head the $8-billion nuclear cleanup office on Thursday Oct. 23 after being […]
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Budget & Policy
Coming up:
Here are events related to nuclear matters that Exchange Monitor staff are tracking: (With the federal shutdown still in effect at press time it is advisable to double-check with sponsors to see if government-related speakers/events are still scheduled. ) October 27: CANCELLED: The Congressional Nuclear Security Working Group is canceling for now the discussion on […]
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High-Level & Tank Waste
Newest jumbo SDU at Savannah River to undergo leak testing
Work crews at the Department of Energy’s Savannah River Site in South Carolina are starting what DOE dubs a “leak-tightness” test on its fifth super-sized saltstone disposal unit (SDU) at the federal complex near Aiken, S.C. Starting Monday, Oct. 27, environmental contractor Savannah River Mission Completion will start running the test on SDU-10, DOE said […]
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Uranium Enrichment & Fuel Cycle
Wrap Up: Centrus plans earnings call; Bill highlights reactor decom $$; BWXT hires Canada gov VP; more
Bethesda, Md.-based uranium broker and enrichment technology developer Centrus Energy will hold its third quarter earnings call for this year on Nov. 6 at 8:30 a.m. Eastern Time. The company’s third quarter, which ended on Sept. 30, will also be released on Nov. 5 prior to the earnings call with Wall Street analysts. Centrus experienced […]
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Cleanup & Remediation
Walsh officially sworn in as EM-1
Tim Walsh, a combat veteran and real estate developer, was officially sworn in by Secretary of Energy Chris Wright Thursday to lead the Department of Energy’s roughly $8-billion-dollar nuclear cleanup program. DOE’s Office of Environmental Management shared the news via a LinkedIn post with Walsh alongside Wright. The caption says “he is finally here.” The […]
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Vitrification & Grout
First few canisters filled at Hanford’s Waste Treatment Plant
The Department of Energy Waste Treatment Plant (WTP) at the Hanford Site in Washington state has filled seven canisters with vitrified tank waste as of Friday Oct. 17, according to DOE. As of Friday morning, Oct. 17 at Hanford “7 containers were full, an 8th was almost complete, and the 9th was in the process […]
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Cleanup & Remediation
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 […]
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Transuranic Waste
New Mexico should not hold up out-of-state shipments to WIPP, ECA says
The Department of Energy’s Waste Isolation Pilot Plant (WIPP) should stay open to shippers of defense-related transuranic waste from across-the-country, the Energy Communities Alliance told New Mexico’s Environment Secretary James Kenney in a letter Friday. The Washington, D.C.-based Energy Communities Alliance (ECA) wrote to Kenney in reaction to statements that the head of the New […]
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High-Level & Tank Waste
Idaho lab’s IWTU to remain offline into 2026
Already offline for most of 2025, the Integrated Waste Treatment Unit (IWTU) at the Department of Energy’s Idaho National Laboratory, will remain out of service until early 2026, a DOE spokesperson said this week. After DOE and Amentum-led contractor Idaho Environmental Coalition returned the facility to operation July 17, the IWTU shut down five days […]
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High-Level & Tank Waste
Idaho lab’s IWTU to remain offline into 2026
Already offline for most of 2025, the Integrated Waste Treatment Unit (IWTU) at the Department of Energy’s Idaho National Laboratory, will remain out of service until early 2026, a DOE spokesperson said this week. After DOE and Amentum-led contractor Idaho Environmental Coalition returned the facility to operation July 17, the facility shut down five days […]
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Transuranic Waste
New Mexico should not hold up out-of-state shipments to WIPP, ECA says
The Department of Energy’s Waste Isolation Pilot Plant (WIPP) should stay open to shippers of defense-related transuranic waste from across-the-country, the Energy Communities Alliance told New Mexico’s Environment Secretary James Kenney in a letter Friday. The Washington, D.C.-based Energy Communities Alliance (ECA) wrote to Kenney in reaction to statements that the head of the New […]
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Vitrification & Grout
First few canisters filled at Hanford’s Waste Treatment Plant
The Department of Energy Waste Treatment Plant (WTP) at the Hanford Site in Washington state has filled seven canisters with vitrified tank waste as of Friday, according to DOE. As of Friday morning, Oct. 17 at Hanford “7 containers were full, an 8th was almost complete, and the 9th was in the process of being […]
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Cleanup & Remediation
As shutdown drags on, DOE calls off nuclear cleanup advisory meeting
The federal shutdown enters its 20th day on Monday Oct. 20 and with no breakthrough expected soon, the Department of Energy has called off next week’s meeting of advisory board leaders for the Office of Environmental Management (EM). In an announcement emailed to Exchange Monitor late Friday, DOE said the EM Site-Specific Advisory Board (EM […]
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Budget & Policy
Coming Up:
Here are events related to nuclear matters that Exchange Monitor staff are tracking: (With the federal shutdown still in effect at press time it is advisable to double-check with sponsors to see if government-related speakers/events are still scheduled. ) October 22: The Senate Foreign Relations Committee will hold a business meeting where they’ll consider S.2130, […]
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Vitrification & Grout
Elected officials react to startup to vit plant startup
Lawmakers from Washington state reacted this week to news that the Waste Treatment and Immobilization Plant (WTP) has finally turned some of its less-radioactive tank waste in glass form for disposal at the Department of Energy’s Hanford Site. “It’s difficult to overstate how important this milestone is in the Hanford cleanup effort,” Washington Gov. Bob […]
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Budget & Policy
Wrap Up: ‘House of Dynamite’ opens; Undersecretary in limbo; DOE hand joins L&A; meetings and more
“House of Dynamite,” a major motion picture about a potential nuclear strike on a major U.S. city, has opened in theatres and streams on Netflix Oct. 24. The thriller, directed by Oscar-winner Kathryn Bigelow, known for movies “The Hurt Locker” and “Zero Dark Thirty,” centers around the U.S. Strategic Command, the White House Situation Room […]
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Data Centers & Energy Demand
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 […]
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Vitrification & Grout
WTP to start operations with one of two melters
The Waste Treatment and Immobilization Plant (WTP) at the Department of Energy’s Hanford Site in Washington is expected to start operations this week with only one melter in operation, an Oregon panel heard last week. The plant, designed to vitrify radioactive liquid tank waste into a glass-like solid, will start up this week operating only […]
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Vitrification & Grout
Decades in the making, Hanford WTP makes first glass
Twenty-five years after the Department of Energy contracted Bechtel National to build a plant to vitrify radioactive sludge into a glass form, the Waste Treatment and Immobilization Plant (WTP) began operation this week at the Hanford Site at Richland, Wash. DOE’s Office of Environmental Management said Wednesday Hanford’s Direct-Feed Low-Activity Waste Facility (DFLAW) at WTP […]
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Transuranic Waste
WIPP caps off fiscal 2025 with 61 shipments in September
The Department of Energy’s Waste Isolation Pilot Plant (WIPP) in New Mexico received 61 shipments of transuranic (TRU) waste during September, marking its highest monthly total for the 2025 fiscal year and the calendar year thus far. Last month’s total is six more than the 55 shipments of TRU waste sent in August, and the […]
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Transuranic Waste
WIPP caps off fiscal 2025 with 61 shipments in September
The Department of Energy’s Waste Isolation Pilot Plant (WIPP) in New Mexico received 61 shipments of transuranic (TRU) waste during September, marking its highest monthly total for the 2025 fiscal year and the calendar year thus far. Last month’s total is six more than the 55 shipments of TRU waste sent in August, and the […]
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Vitrification & Grout
Decades in the making, Hanford WTP makes first glass
Twenty-five years after the Department of Energy contracted Bechtel National to build a plant to vitrify radioactive sludge into a glass form, the Waste Treatment and Immobilization Plant (WTP) began operation this week at the Hanford Site at Richland, Wash. DOE’s Office of Environmental Management said Wednesday Hanford’s Direct-Feed Low-Activity Waste Facility (DFLAW) at WTP […]









