ADVANCED REACTOR MILESTONES

Reactors Come to Life at INL

Advanced reactor developers are achieving criticality at Idaho National Laboratory, demonstrating technologies that will help power the next generation of nuclear energy.

Antares Mark-0
First commercial demonstration to achieve criticality through DOE's Reactor Pilot Program.
Deployable Energy's Unity
Built to provide resilient, transportable nuclear power for remote, defense and infrastructure-constrained applications.
Aalo Atomic's Aalo-X
Developed to provide reliable, scalable power for industrial, remote and energy-intensive applications, like data centers.
Our Mission Areas

Science. Solutions.
Stronger Tomorrow.

The Idaho National Laboratory brings together world-class researchers, specialized facilities and unmatched capabilities to solve complex challenges. We turn scientific discovery into practical solutions across nuclear energy, national security and integrated energy technologies that strengthen our nation, improve everyday life and create a safer, more secure future.

Nuclear Energy

Advanced reactors, advanced fuels and reliable power.

Integrated Energy

Connecting power, transportation and the grid.

National Security

Everyday protection for all Americans.

INL Documentary

The Road to Advanced Nuclear:
INL at the Heart of Nuclear Innovation

In 1951, four small lightbulbs flickered to life in the Idaho desert and changed the world forever. Now, after five decades, Idaho National Laboratory is leading the most ambitious nuclear energy push since Apollo 11. Meet the scientists, engineers, and companies building the reactors that will power America’s future.

Latest News

Discover What's Happening at INL

Innovation with Impact

INL combines scientific expertise, specialized facilities and long-term partnerships to address the nation’s energy and security challenges.

$2B

Research portfolio supporting national priorities

254

Active patents advancing new technologies

890

Square miles of research and testing facilities

Accelerating Nuclear Energy

As the nation’s nuclear energy laboratory, INL provides the facilities, expertise and research capabilities that help move advanced reactors from concept to deployment. Working with industry, government and academia, we’re strengthening America’s energy future.

The next generation of nuclear energy depends on the science, facilities and partnerships that begin at INL.

75 Years of Scientific Leadership

From pioneering the world’s first usable electricity from nuclear power to today’s advanced energy research, INL has spent decades solving the nation’s toughest challenges.

History of INL