DNFSB spots possible bottleneck in Hanford’s waste vitrification

December 15, 2025, 7:02AMRadwaste Solutions

Workers change out spent 27,000-pound TSCR filter columns and place them on a nearby storage pad during a planned outage in 2023. (Photo: DOE)

While the Department of Energy recently celebrated the beginning of hot commissioning of the Hanford Site’s Waste Treatment and Immobilization Plant (WTP), which has begun immobilizing the site’s radioactive tank waste in glass through vitrification, the Defense Nuclear Facilities Safety Board has reported a possible bottleneck in waste processing. According to the DNFSB, unless current systems run efficiently, the issue could result in the interruption of operations at the WTP’s Low-Activity Waste Facility, where waste vitrification takes place.

During operations, the LAW Facility will process an average of 5,300 gallons of tank waste per day, according to Bechtel, the contractor leading design, construction, and commissioning of the WTP. That waste is piped to the facility after being treated by Hanford’s Tanks Side Cesium Removal (TSCR) system, which filters undissolved solid material and removes cesium from liquid waste.

According to a November 7 activity report by the DNFSB, the TSCR system may not be able to produce waste feed fast enough to keep up with the LAW Facility’s vitrification rate.

Hanford completes 20 containers of immobilized waste

December 10, 2025, 12:08PMRadwaste SolutionsRadwaste Solutions Staff
A WTP crew vitrified the first Hanford Site tank waste inside one of two melters in the Low-Activity Waste Facility. Top right, a camera inside the melter’s pour cave shows the vitrified waste being poured into a stainless steel container as well as the hot liquid inside the container. Bottom right, the first two containers filled with vitrified waste in the pour cave prior to being lidded, swabbed to verify their exteriors are free of contamination, and then moved into the export bay. (Photos: DOE)

The Department of Energy has announced that the Hanford Site’s Waste Treatment and Immobilization Plant (WTP) has reached a commissioning milestone, producing more than 20 stainless steel containers of immobilized low-activity radioactive waste.

After decades, Hanford’s WTP begins vitrifying tank waste

October 17, 2025, 7:00AMRadwaste Solutions
Hanford’s WTP crew celebrate the first vitrification of radioactive waste in the plant’s Low-Activity Waste Facility. (Photo: Bechtel)

The Department of Energy’s Office of Environmental Management and its contractor Bechtel announced on October 15 the start of nuclear vitrification operations at the Waste Treatment and Immobilization Plant (WTP), also known as the Vit Plant, at the Hanford Site in Washington state.

Energy secretary denies reports of DOE plans to axe Hanford’s WTP

September 11, 2025, 9:27AMNuclear News
An aerial view of the Hanford Site’s 200 Area and the Waste Treatment and Immobilization Plant, also known as the Vit Plant. (Photo: DOE)

Energy Secretary Chris Wright issued a statement on September 9 denying reports that the Department of Energy plans to terminate the Waste Isolation Pilot Plant (WTP) at the Hanford Site in Washington state.

Hanford looks inside sealed nuclear reactors using modern technology

August 28, 2025, 12:04PMNuclear News
Lidar technology creates detailed imaging by scanning the interior structure of cocooned reactors at the Hanford Site, supporting future monitoring and safety planning. (Image: DOE)

A new imaging technology is being used on decommissioned reactors at the Department of Energy's Hanford Site in Washington state, revealing a detailed look inside the sealed enclosures.

Hanford teams prepare for first tank waste transfer

June 18, 2025, 12:16PMRadwaste Solutions
Hanford contractor teams rehearse procedures for the first transfer of waste from one of the site’s underground tanks to the WTP later this summer. (Photo: DOE)

The Department of Energy’s Office of Environmental Management said that crews at its Hanford Site in Washington state are preparing for the site’s first-ever transfer of radioactive waste from one of its large underground tanks, Tank AP-106, to the Waste Treatment and Immobilization Plant (WTP).

Hanford proposes “decoupled” approach to remediating former chem lab

June 13, 2025, 7:01AMRadwaste Solutions
Hanford’s 324 Building, circa 2015. (Photo: DOE)

Working with the Environmental Protection Agency, the Department of Energy has revised its planned approach to remediating contaminated soil underneath the Chemical Materials Engineering Laboratory (commonly known as the 324 Building) at the Hanford Site in Washington state. The soil, which has been designated the 300-296 waste site, became contaminated as the result of a spill of highly radioactive material in the mid-1980s.

Novel waste analysis process approved for Hanford

June 11, 2025, 9:31AMRadwaste Solutions
Solomon Bairai of Navarro-ATL prepares a Twister Stir Bar sample for analysis at the Hanford Site's 222-S Laboratory. (Photo: DOE)

A new method has received Washington state’s approval for use at the 222-S Laboratory at the Department of Energy’s Hanford Site, improving how experts analyze tank waste and providing more precise data to support safe and efficient cleanup.

Hanford advances WTP cold commissioning with introduction of waste simulants

May 28, 2025, 12:00PMRadwaste Solutions
Workers offload nitrogen into the LAW Facility at Hanford’s Waste Treatment and Immobilization Plant. The nitrogen, mixed with other materials, will simulate tank waste as the facility prepares for waste operations later this year. (Photo: DOE)

The Department of Energy’s Office of Environmental Management announced that it has introduced waste simulant chemicals to the Hanford Site’s Waste Treatment and Immobilization Plant (WTP) as part of the cold commissioning testing of the plant’s Low-Activity Waste Facility.

Hanford completes 2,000-gallon TBI waste shipment

May 5, 2025, 7:00AMRadwaste Solutions
Hanford workers move a 330-gallon double-wall transport container of treated tank waste. (Photo: DOE)

As part of its Test Bed Initiative (TBI) demonstration project, the Department of Energy’s Office of Environmental Management completed two shipments of treated, low-activity tank waste from the Hanford Site near Richland, Wash. The approximately 2,000 gallons of TBI waste will be solidified in grout and permanently disposed of at Waste Control Specialists’ (WCS) federal disposal facility in Andrews County, Texas, and at EnergySolutions’ disposal facility in Clive, Utah.

DOE report: Cost to finish cleaning up Hanford site could exceed $589 billion

April 17, 2025, 9:30AMRadwaste Solutions
Hanford crews break up concrete and remove contaminated soil near the site’s former K Area reactors in 2023. (Photo: DOE)

The cost to complete the cleanup of the Department of Energy’s Hanford Site in Washington state could cost as much as $589.4 billion, according to the 2025 Hanford Lifecycle Scope, Schedule, and Cost Report, which was released by the DOE on April 15. While that estimate is $44.2 billion lower than the DOE’s 2022 estimate of $640.6 billion, a separate, low-end estimate has since grown by more than 21 percent, to $364 billion.

The life cycle report, which the DOE is legally required to issue every three years under agreement with the U.S. Environmental Protection Agency and Washington State Department of Ecology (Ecology), summarizes the remaining work scope, schedule, and cost estimates for the nuclear site. For more than 40 years, Hanford’s reactors produced plutonium for America’s defense program.

Will policies outlined in Project 2025 affect nuclear much?

March 31, 2025, 9:31AMNuclear NewsJames Conca

James Conca

I think so. The near future for nuclear depends on both the cabinet picks for Energy, Defense, Interior, and Commerce, and how well the new secretaries stick to the Project 2025 plan, the Heritage Foundation’s conservative blueprint for the future.

Those who want to read the entire 900-­page Mandate for Leadership can find it easily online. The section relating to nuclear power and waste begins on page 363: “Department of Energy and Related Commissions,” by Bernard L. McNamee. The nuclear weapons–related portions are scattered throughout.

It is obvious from the beginning of the chapter that McNamee doesn’t really understand the Department of Energy. He can be forgiven, since most people don’t. For the several months following their appointments, new energy secretaries generally fail to understand what the DOE does—except for real nuclear folks like Ernest Moniz, who held the position from 2013 to 2017. Most think that the DOE is all about energy, when really it is mostly about weapons and waste.

Senate committee hears from energy secretary nominee Chris Wright

January 15, 2025, 3:02PMNuclear News

Wright

Chris Wright, president-elect Trump’s pick to lead the U.S. Department of Energy, spent hours today fielding questions from members of the U.S. Senate’s committee on Energy and Natural Resources.

During the hearing, Wright—who’s spent most of his career in fossil fuels—made comments in support of nuclear energy and efforts to expand domestic generation in the near future. Asked what actions he would take as energy secretary to improve the development and deployment of SMRs, Wright said: “It’s a big challenge, and I’m new to government, so I can’t list off the five levers I can pull. But (I’ve been in discussions) about how to make it easier to research, to invest, to build things. The DOE has land at some of its facilities that can be helpful in this regard.”

Comments received on Hanford’s tank waste plans

January 7, 2025, 9:30AMRadwaste Solutions
Testing is conducted at the Hanford Site’s Waste Treatment and Immobilization Plant. (Photo: DOE)

The Department of Energy has agreed to hold a 30-day review and comment period on a draft environmental analysis associated with a proposed plan for retrieving, grouting, and transporting some of Hanford’s low-activity tank waste for out-of-state disposal.

Hanford pauses D&D prep work on REDOX facility

December 16, 2024, 3:00PMRadwaste Solutions
Demolition work being conducted on Hanford’s REDOX facility in July 2024. (Photo: DOE)

Work to prepare Hanford’s Reduction Oxide Plant (REDOX) for decontamination and demolition has been put on hold as the Department of Energy shifts focus to higher-priority work at the nuclear site in Washington state.

Hot cell window replacements completed at Hanford lab

November 8, 2024, 9:30AMRadwaste Solutions

Workers recently completed an 18-month project replacing 11 hot cell windows at the 222-S Laboratory at the Department of Energy’s Hanford Site in Washington state. Hanford contractor Navarro-ATL manages the lab.

Hanford treats 2,000 gallons of tank waste as part of TBI project

November 1, 2024, 7:01AMRadwaste Solutions
Using cameras placed inside a temporary shelter, nuclear chemical operator Joe McCoy monitors the pretreatment activities of the Hanford Site’s TBI demonstration. (Photo: DOE-EM)

The Department of Energy’s Office of Environmental Management said that contractors have completed the treatment of 2,000 gallons of radioactive and chemical waste as part of the Hanford Site’s Test Bed Initiative project, which aims to demonstrate the feasibility of alternative options for retrieving and treating low-activity tank waste at the site in Washington state.

BWXT approved to begin work under Hanford tank waste contract

October 21, 2024, 9:30AMRadwaste Solutions
Hanford’s Waste Treatment and Immobilization Plant, also known as the Vit Plant. (Photo: Bechtel National)

BWX Technologies announced that the Department of Energy has approved Hanford Tank Waste Operations & Closure (H2C) to begin work under a contract valued at up to $45 billion to clean up tank waste at the Hanford Site near Richland, Wash. H2C is a limited liability company made up of BWXT Technical Services Group, Amentum Environment and Energy, and Fluor Federal Services.

DOE consolidates Hanford’s management offices

October 7, 2024, 7:00AMRadwaste Solutions
The Hanford Field Office leadership team gathers around a new sign at the Stevens Center Complex in Richland, Wash., on October 1. (Photo: DOE)

Beginning last week, the two Department of Energy offices responsible for the environmental cleanup of the department’s Hanford Site have been combined under a new name: the Hanford Field Office. Previously, management of the 586-square-mile site near Richland, Wash., was split between the Richland Operations Office and the DOE Office of River Protection (ORP).

GAO: DOE should pause work on Hanford’s HLW Facility

October 3, 2024, 9:30AMRadwaste Solutions
Hanford’s HLW Facility under construction in early 2024. (Photo: Bechtel National)

The Government Accountability Office has recommended that the Department of Energy put a hold on construction of its High-Level Waste Facility at the Hanford Site near Richland, Wash. The GAO said design and construction of the facility, part of Hanford’s Waste Treatment and Immobilization Plant, also known as the Vit Plant, should be paused until several actions are taken, including considering other alternatives for managing the site’s high-level radioactive liquid waste.