Office of Nuclear Energy | US Department of Energy

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@ENERGY’s home for nuclear energy research, demos, and deployment. RT/Mentions aren't endorsements.

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FULL CIRCLE: In April 1965, the U.S. launched its first and only space reactor into space. SNAP-10A was a sodium-potassium-cooled fast reactor developed as part of a Department of War 🇺🇸 R&D project to power a satellite.

43,767 views

On this day in 1965, the U.S. launched its first and only space reactor into space. SNAP-10A was a sodium-potassium-cooled fast reactor developed as part of a @DeptofDefense R&D project to power a satellite.

75,055 views

EXPLORE THE CORE: Take a sneak peek inside the world’s most powerful research reactor at Idaho National Lab.

10,570 views

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WATCH: It's not every day you get to see a test reactor pulse!

0:25

WATCH: It's not every day you get to see a test reactor pulse!

Office of Nuclear Energy | US Department of Energy

7,232,311 views • 11 months ago

0:25

WATCH: It's not every day you get to see a test reactor pulse!

Office of Nuclear Energy | US Department of Energy

689,402 views • 3 months ago

NUCLEAR IN OUTER SPACE 🪐: U.S. Department of Energy is working with NASA to develop new technologies like space reactors to provide reliable power on the Moon, Mars, and beyond.

1:38

NUCLEAR IN OUTER SPACE 🪐: U.S. Department of Energy is working with NASA to develop new technologies like space reactors to provide reliable power on the Moon, Mars, and beyond.

Office of Nuclear Energy | US Department of Energy

690,805 views • 4 months ago

Watch 👀 the difference between silicon carbide (right) and traditional fuel cladding (left) in this video of a loss-of-coolant test ⬇️

0:38

Watch 👀 the difference between silicon carbide (right) and traditional fuel cladding (left) in this video of a loss-of-coolant test ⬇️

Office of Nuclear Energy | US Department of Energy

27,491 views • 14 days ago

WATCH: X-energy is developing this high-temperature gas reactor fueled by ultra-robust TRISO particles.

1:34

WATCH: X-energy is developing this high-temperature gas reactor fueled by ultra-robust TRISO particles.

Office of Nuclear Energy | US Department of Energy

26,131 views • 1 month ago

WATCH: X-energy is developing this high-temperature gas reactor that they say can’t melt down.

1:34

WATCH: X-energy is developing this high-temperature gas reactor that they say can’t melt down.

Office of Nuclear Energy | US Department of Energy

52,021 views • 3 months ago

1:00

President Donald J. Trump is investing billions in nuclear energy to create jobs across the country and drive down emissions to help meet the nation's climate goals.

Office of Nuclear Energy | US Department of Energy

175,355 views • 2 years ago

Introducing the nation’s largest nuclear power plant – Plant Vogtle.

0:59

Introducing the nation’s largest nuclear power plant – Plant Vogtle.

Office of Nuclear Energy | US Department of Energy

93,392 views • 1 year ago

1:02

WATCH: This first-of-a-kind test loop Idaho National Lab is being used to advance molten salt R&D — including the world’s first fast-spectrum, salt fueled reactor experiment.

Office of Nuclear Energy | US Department of Energy

26,071 views • 4 months ago

1:34

WATCH: X-energy is developing this high-temperature gas reactor fueled by ultra-robust TRISO particles.

Office of Nuclear Energy | US Department of Energy

39,186 views • 6 months ago

LEADING THE CHARGE: U.S. Department of Energy announces that Westinghouse Nuclear and Radiant will be the first advanced reactor developers scheduled to conduct their fueled microreactor experiments in DOME — the world’s first microreactor test bed at Idaho National Lab. Learn more:

1:00

LEADING THE CHARGE: U.S. Department of Energy announces that Westinghouse Nuclear and Radiant will be the first advanced reactor developers scheduled to conduct their fueled microreactor experiments in DOME — the world’s first microreactor test bed at Idaho National Lab. Learn more:

Office of Nuclear Energy | US Department of Energy

56,542 views • 11 months ago

Fission and fusion are two physical processes that produce massive amounts of energy from atoms. They yield millions of times more energy than other power sources through nuclear reactions but differ in 5 key ways.

1:02

Fission and fusion are two physical processes that produce massive amounts of energy from atoms. They yield millions of times more energy than other power sources through nuclear reactions but differ in 5 key ways.

Office of Nuclear Energy | US Department of Energy

17,532 views • 4 months ago

0:25

WATCH 👀: It's not every day you get to see a test reactor pulse!

Office of Nuclear Energy | US Department of Energy

53,911 views • 1 year ago

NUCLEAR 101: Fast reactors use fast-moving neutrons to make better use of nuclear fuel. They can operate on both fissile material and recycled fuel from other reactors to drastically reduce waste while increasing the performance of nuclear power plants. Here’s how they work:

2:17

NUCLEAR 101: Fast reactors use fast-moving neutrons to make better use of nuclear fuel. They can operate on both fissile material and recycled fuel from other reactors to drastically reduce waste while increasing the performance of nuclear power plants. Here’s how they work:

Office of Nuclear Energy | US Department of Energy

21,228 views • 6 months ago

The AI boom is coming, and nuclear can help power it.

1:05

The AI boom is coming, and nuclear can help power it.

Office of Nuclear Energy | US Department of Energy

26,097 views • 10 months ago

ALL ABOARD⛴️ : On this day in 1959, the U.S. launched the NS Savannah — the world’s first merchant ship powered by nuclear energy.

1:08

ALL ABOARD⛴️ : On this day in 1959, the U.S. launched the NS Savannah — the world’s first merchant ship powered by nuclear energy.

Office of Nuclear Energy | US Department of Energy

25,726 views • 10 months ago

Meet Browns Ferry 👋 It’s one of the largest nuclear power plants in the country that provides reliable, secure, and affordable power to millions of homes each day in the Tennessee valley. Tennessee Valley Authority

0:47

Meet Browns Ferry 👋 It’s one of the largest nuclear power plants in the country that provides reliable, secure, and affordable power to millions of homes each day in the Tennessee valley. Tennessee Valley Authority

Office of Nuclear Energy | US Department of Energy

27,879 views • 1 year ago

"These aren't your parent's reactors." U.S. Department of Energy's Mike Goff breaks down 3 reasons you need to know about advanced reactors. 👇 #NuclearSciWeek

1:26

"These aren't your parent's reactors." U.S. Department of Energy's Mike Goff breaks down 3 reasons you need to know about advanced reactors. 👇 #NuclearSciWeek

Office of Nuclear Energy | US Department of Energy

47,821 views • 2 years ago

Why do YOU think we should invest in nuclear energy? U.S. Department of Energy's Dr. Katy Huff breaks down three reasons why we should this #EarthDay. 🌎 #InvestInOurPlanet

1:39

Why do YOU think we should invest in nuclear energy? U.S. Department of Energy's Dr. Katy Huff breaks down three reasons why we should this #EarthDay. 🌎 #InvestInOurPlanet

Office of Nuclear Energy | US Department of Energy

50,910 views • 3 years ago

EBR-I was the first power plant to produce usable electricity through atomic fission. It powered four 200-watt lightbulbs in 1951 and eventually generated enough electricity to light the entire facility.

0:50

EBR-I was the first power plant to produce usable electricity through atomic fission. It powered four 200-watt lightbulbs in 1951 and eventually generated enough electricity to light the entire facility.

Office of Nuclear Energy | US Department of Energy

13,335 views • 6 months ago

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Office of Nuclear Energy | US Department of Energy

Shorts

FULL CIRCLE: In April 1965, the U.S. launched its first and only space reactor into space. SNAP-10A was a sodium-potassium-cooled fast reactor developed as part of a Department of War 🇺🇸 R&amp;D project to power a satellite.

On this day in 1965, the U.S. launched its first and only space reactor into space. SNAP-10A was a sodium-potassium-cooled fast reactor developed as part of a @DeptofDefense R&amp;D project to power a satellite.

EXPLORE THE CORE: Take a sneak peek inside the world’s most powerful research reactor at Idaho National Lab.

Videos

Watch Anya Live

WATCH: It's not every day you get to see a test reactor pulse!

WATCH: It's not every day you get to see a test reactor pulse!

NUCLEAR IN OUTER SPACE 🪐: U.S. Department of Energy is working with NASA to develop new technologies like space reactors to provide reliable power on the Moon, Mars, and beyond.

Watch 👀 the difference between silicon carbide (right) and traditional fuel cladding (left) in this video of a loss-of-coolant test ⬇️

WATCH: X-energy is developing this high-temperature gas reactor fueled by ultra-robust TRISO particles.

WATCH: X-energy is developing this high-temperature gas reactor that they say can’t melt down.

President Donald J. Trump is investing billions in nuclear energy to create jobs across the country and drive down emissions to help meet the nation's climate goals.

Introducing the nation’s largest nuclear power plant – Plant Vogtle.

WATCH: This first-of-a-kind test loop Idaho National Lab is being used to advance molten salt R&amp;D — including the world’s first fast-spectrum, salt fueled reactor experiment.

WATCH: X-energy is developing this high-temperature gas reactor fueled by ultra-robust TRISO particles.

LEADING THE CHARGE: U.S. Department of Energy announces that Westinghouse Nuclear and Radiant will be the first advanced reactor developers scheduled to conduct their fueled microreactor experiments in DOME — the world’s first microreactor test bed at Idaho National Lab. Learn more:

Fission and fusion are two physical processes that produce massive amounts of energy from atoms. They yield millions of times more energy than other power sources through nuclear reactions but differ in 5 key ways.

WATCH 👀: It's not every day you get to see a test reactor pulse!

NUCLEAR 101: Fast reactors use fast-moving neutrons to make better use of nuclear fuel. They can operate on both fissile material and recycled fuel from other reactors to drastically reduce waste while increasing the performance of nuclear power plants. Here’s how they work:

The AI boom is coming, and nuclear can help power it.

ALL ABOARD⛴️ : On this day in 1959, the U.S. launched the NS Savannah — the world’s first merchant ship powered by nuclear energy.

Meet Browns Ferry 👋 It’s one of the largest nuclear power plants in the country that provides reliable, secure, and affordable power to millions of homes each day in the Tennessee valley. Tennessee Valley Authority

"These aren't your parent's reactors." U.S. Department of Energy's Mike Goff breaks down 3 reasons you need to know about advanced reactors. 👇 #NuclearSciWeek

Why do YOU think we should invest in nuclear energy? U.S. Department of Energy's Dr. Katy Huff breaks down three reasons why we should this #EarthDay. 🌎 #InvestInOurPlanet

EBR-I was the first power plant to produce usable electricity through atomic fission. It powered four 200-watt lightbulbs in 1951 and eventually generated enough electricity to light the entire facility.

FULL CIRCLE: In April 1965, the U.S. launched its first and only space reactor into space. SNAP-10A was a sodium-potassium-cooled fast reactor developed as part of a Department of War 🇺🇸 R&D project to power a satellite.

On this day in 1965, the U.S. launched its first and only space reactor into space. SNAP-10A was a sodium-potassium-cooled fast reactor developed as part of a @DeptofDefense R&D project to power a satellite.

WATCH: This first-of-a-kind test loop Idaho National Lab is being used to advance molten salt R&D — including the world’s first fast-spectrum, salt fueled reactor experiment.