Office of Nuclear Energy


What is a Nuclear Microreactor?
February 26, 2021
Microreactors are not defined by their fuel form or coolant. Instead, they have three main features.
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What is a Radioisotope Power System?
February 16, 2021
Nuclear has powered space exploration for decades. Learn radioisotope power systems' role in the most successful space missions in U.S. history.
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Advantages and Challenges of Nuclear Energy
January 26, 2021
An overview of the main advantages of nuclear energy and the challenges currently facing the industry today.
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NUCLEAR 101: How Does a Nuclear Reactor Work?
January 22, 2021
Learn how boiling and pressurized light-water reactors work.
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Nuclear Milestones

BWXT and ORNL Demonstrate New 3D Printing Process for High Temperature Materials
March 3, 2021
National lab and BWX Technologies develop a new way to manufacture and qualify parts and materials for high-temperature reactor applications.
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Idaho National Lab Starts Second Plutonium Target Campaign for NASA Space Missions
February 17, 2021
DOE is scaling up the production of plutonium-238 heat source material to help meet future goals set by NASA.
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High-Tech Railcar Designed to Transport Spent Nuclear Fuel Moves to Next Phase
February 9, 2021
Eight-axle Fortis railcar moves to fabrication and testing phase.
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Irradiated Accident Tolerant Fuel Experiments Shipped to ORNL
December 4, 2020
Accident tolerant fuel experiments by GE's Global Nuclear Fuel shipped to Oak Ridge National Laboratory after 24 months in a commercial reactor.
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Press Releases

DOE Announces Public Hearings on Draft Versatile Test Reactor Environmental Impact Statement
Public hearings will be held online January 27, 2021 and January 28, 2021.
January 8, 2021
DOE Awards $20 million for Advanced Reactor Concepts
DOE to support three U.S. advanced reactor designs through cost-shared partnerships to assist industry designs through their earliest stages.
December 22, 2020
DOE Releases Draft Environmental Impact Statement for Versatile Test Reactor
DOE invites the public to review and comment on a Draft Environmental Impact Statement for construction of the Versatile Test Reactor project.
December 21, 2020
Energy Department’s Advanced Reactor Demonstration Program Awards $30 Million in Initial Funding for Risk Reduction Projects
DOE to support five U.S. advanced reactor designs through cost-shared partnerships to prepare them for future demonstrations.
December 16, 2020
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