Snapshot from Jun 25, 2026 at 22:38 UTC. For live data and tracking: View Live
Events / Regulatory / Oklo to use Cold War Plutonium
Regulatory government contract

Oklo to use Cold War Plutonium

Analysis based on 12 articles · First reported May 26, 2026 · Last updated May 27, 2026

Sentiment
40
Attention
6
Articles
12
Market Impact
Direct
Live prominence charts, article sentiment distribution, and event development timeline available on the NewsDesk Dashboard
Market Impact

The selection of Oklo Inc.>>> for advanced talks on using surplus Plutonium>>> as nuclear fuel has positively impacted Oklo Inc.>>>'s stock price, which rose significantly. This event signals a potential shift in the nuclear energy sector, creating new opportunities for companies involved in advanced reactor technologies and potentially reducing United States>>> nuclear liabilities.

Nuclear Energy Defense
Event Summary

Oklo Inc.>>>, a nuclear power company, has been selected by the U.S. Energy Department for advanced talks to use Cold War-era plutonium as nuclear reactor fuel. This initiative follows an executive order by President Donald Trump>>> to repurpose approximately 20 metric tons of surplus Plutonium>>> from dismantled nuclear warheads, halting a previous disposal program. Oklo Inc.>>> plans to collaborate with European company Newcleo>>> to develop this fuel. While proponents like Oklo Inc.>>> CEO Jacob DeWitte>>> and Newcleo>>> CEO Stefano Buono>>> emphasize the benefits of converting a liability into an energy source and reducing United States>>> nuclear liabilities, United States — Democratic Party (United States)>>> lawmakers have raised concerns about nuclear proliferation risks, citing the material's potential to create 2,000 atomic bombs. The involvement of U.S. Energy Secretary Chris Wright>>>, a former Oklo Inc.>>> board member, has also drawn attention.

Key Actions
95 United States — United States Department of Energy selected for talks Oklo Inc.
95 United States — United States Department of Energy selected companies
90 Donald Trump issued executive orders United States — United States Department of Energy
80 Oklo Inc. plans to develop fuel Newcleo
70 Donald Trump issued executive orders
70 United States — Democratic Party (United States) urged to cancel plan Donald Trump
60 Ed Markey wrote letter United States — United States Department of Energy
20 Chris Wright divested shares Oklo Inc.
Entities Involved
priv
Oklo Inc.
Oklo Inc. has been selected by the U.S. Energy Department for advanced talks to use Cold War-era plutonium as nuclear reactor fuel, which could significantly boost its business and stock price.
Importance 100 Sentiment 70
govactor
United States — United States Department of Energy
The United States — United States Department of Energy>>> is facilitating the repurposing of surplus plutonium for advanced nuclear technologies, aligning with the Trump administration's executive order.
Importance 90 Sentiment 50
cmdt
Plutonium
Surplus Cold War-era Plutonium>>> is being repurposed as nuclear reactor fuel, transforming a liability into a potential energy source.
Importance 80 Sentiment 30
per
Donald Trump
Donald Trump>>> signed an executive order to halt the disposal of surplus plutonium and instead make it available for advanced nuclear technologies.
Importance 70 Sentiment 30
cnt
United States
The United States>>> is repurposing its Cold War-era plutonium, aiming to reduce nuclear liabilities and advance nuclear energy technology.
Importance 70 Sentiment 40
priv
Newcleo
Newcleo>>> is partnering with Oklo Inc.>>> to develop the plutonium fuel, bringing expertise and potential capital to the project.
Importance 60 Sentiment 60
per
Jacob DeWitte
Jacob DeWitte>>>, CEO of Oklo Inc.>>>, highlighted the program's potential to use existing surplus material as bridge fuel for advanced reactors.
Importance 50 Sentiment 60
polparty
United States — Democratic Party (United States)
United States — Democratic Party (United States)>>> lawmakers have expressed concerns about nuclear proliferation risks associated with the plan to use surplus plutonium as fuel.
Importance 50 Sentiment -40
ngo
Nuclear Threat Initiative
Nuclear Threat Initiative, a non-profit, criticizes the plan due to proliferation concerns and past failures in converting plutonium to fuel.
Importance 50 Sentiment -30
per
Ed Markey
Ed Markey, a Democratic Senator, has opposed the plan, citing weapons proliferation concerns, economic inefficiency, and potential adverse effects on national defense.
Importance 45 Sentiment -20
per
Stefano Buono
Stefano Buono>>>, CEO of Newcleo>>>, stated that using plutonium as fuel would reduce United States>>> nuclear liabilities.
Importance 40 Sentiment 50
oth
Standard Nuclear
Standard Nuclear is one of the five companies selected by the United States — United States Department of Energy to enter advanced negotiations for surplus plutonium.
Importance 40 Sentiment 20
priv
Exodys Energy
Exodys Energy is one of the five companies selected by the United States — United States Department of Energy to enter advanced negotiations for surplus plutonium.
Importance 40 Sentiment 20
priv
Shine Technologies
Shine Technologies is one of the five companies selected by the United States — United States Department of Energy to enter advanced negotiations for surplus plutonium.
Importance 40 Sentiment 20
priv
Flibe Energy
Flibe Energy is one of the five companies selected by the United States — United States Department of Energy to enter advanced negotiations for surplus plutonium.
Importance 40 Sentiment 20
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