Where else could you find this kind of energy? At the Nuclear Regulatory Commission (NRC) our power comes from our people. Hardworking Americans who oversee the safe use of nuclear technology that powers communities, revolutionizes medicine, and empowers America.

Learn More

Research & Applications

ARDP recipient Southern announces molten salt fast reactor demonstration plans

November 19, 2021, 9:29AMNuclear News
The Molten Chloride Reactor Experiment will be built at Idaho National Laboratory to demonstrate criticality in a fast-spectrum salt-cooled reactor within five years. (Image: Southern Company)

Southern Company and the Department of Energy have announced an agreement to demonstrate the world’s first fast-spectrum salt reactor in collaboration with TerraPower and a host of other participants at Idaho National Laboratory. With this announcement, at least four of the DOE’s Advanced Reactor Demonstration Project awardees featuring four different coolants—helium (X-energy), sodium (TerraPower), fluoride salt (Kairos Power), and chloride salt (Southern, with TerraPower)—have announced a site and a commitment to build either a full-size demo reactor or a scaled-down experimental reactor.

To continue reading, log in or create a free account!

Related Articles

Mark Peters: Building on a strong foundation

July 10, 2026, 3:09PMNuclear NewsLucas Geiger

Summer at the American Nuclear Society carries with it a sense of renewed momentum as the incoming president takes office and starts making plans for the year ahead. This has been particularly...

ICYMI: Counting up INL’s reactors

July 10, 2026, 7:10AMNuclear News

Over the past two weeks, in the “Trivia Tuesday” and “Throwback Thursday” sections of Nuclear News Daily, we have dug into the story of Idaho National Laboratory’s official list of...

DOME: Legacy built, future ready

June 26, 2026, 2:59PMNuclear News

In 2019, a familiar landmark at Idaho National Laboratory was scheduled for demolition. Though striking for both its physical presence and its significance to nuclear history, the containment...