DOE briefs committee on spent nuclear fuel responsibilities, transportation tests and consolidated storage planning

The U.S. Department of Energy (DOE) briefed the Wyoming Joint Minerals Committee on the federal role for spent nuclear fuel and high‑level waste, transportation practices, and early planning work for consolidated storage and geological disposal. DOE staff said the briefing was informational — not a site‑selection effort — and emphasized public outreach and technical demonstrations intended to build public confidence in transport and storage.

Why it matters: DOE officials described the national backlog of commercial spent fuel, the federal programmatic responsibility to accept and dispose of material under the Nuclear Waste Policy Act, and the costs associated with maintaining material at reactor sites while a long‑term solution is developed. Committee members asked about transport routes and safety, the federal Nuclear Waste Fund balance, and timing for consolidated storage or repository work.

Key points from DOE presenters: Paul Murray and division director Marla Morales summarized program history and current plans. They noted that the federal government entered into contracts under the Nuclear Waste Policy Act that anticipated DOE would take title to spent fuel (utilities subsequently sued when pickups were delayed), and said the utility litigation has cost the federal government billions in judgments. DOE staff reported there is roughly $50 billion in the Nuclear Waste Fund (presentation figure) and said interest on that balance was shown in testimony as accruing at about $1.7 billion annually.

DOE described the scale of stored commercial fuel: roughly 95,000 metric tons of commercial spent nuclear fuel currently discharged and about 2,000 tons discharged per year from operating plants; long‑term totals would be higher if new reactors are built. The office outlined an expected sequencing for federal action in testimony: consolidated interim storage sites could be pursued in the next decade(s) and a permanent deep geological repository remains a longer‑term program with a multi‑decade timeline.

Transportation and demonstrations: DOE described an ‘‘Atlas’’ purpose‑built railcar and plans for public demonstrations intended to address community safety concerns. DOE said test demonstrations could include drop, fire and submersion scenarios using full‑scale casks to show performance to communities and tribes. The department emphasized that transportation of spent fuel has historical precedent and safety data from naval and DOE movements but acknowledged public concerns and the need for community engagement.

Public conversation and next steps: DOE said it is preparing a request for expressions of interest to begin paid, voluntary outreach with communities interested in learning more; the department offered committee members a site visit to Idaho National Laboratory to view stored commercial fuel. DOE officials stressed again that they were not at the meeting to propose or site a DOE storage or reprocessing facility for Wyoming and said future steps would include continued research, demonstrations, and outreach.

Committee reaction: legislators asked about cask monitoring and long‑term corrosion questions for marine/coastal sites; DOE officials said ongoing research projects and instrumentation programs are under way to demonstrate long‑term storage performance. Several legislators suggested follow‑up briefings and welcomed the offer for a technical visit to Idaho National Laboratory.

Sources: presentation and Q&A with Paul Murray and Marla Morales, U.S. Department of Energy; committee Q&A and public comment during the Joint Minerals Committee hearing.