Nuclear
Air Force rescinds $100M award for Oklo microreactor
In August, the Sam Altman–backed startup was tentatively chosen as the winner of a military contract to build an SMR by 2027. Bids are now being reconsidered.
By Eric Wesoff .
Nuclear
Nuclear
20-plus countries pledge to triple the world’s nuclear energy by 2050
At COP28, many major players are banding together to plan a big ramp-up of nuclear power. But without China’s help, is the target realistic?
By Eric Wesoff .
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Podcast
The cost of nuclear
Building reactors in South Korea is far cheaper than building in the U.S., but why?PlayBy 48 min .
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Nuclear
Future of small reactors at stake as NuScale deal flops
The startup’s most promising project has been canceled. It was supposed to build the first next-gen reactor in the U.S. — and usher in a new era for nuclear.By Eric Wesoff .
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Nuclear
Nucor bets on silver bullet for ‘green’ steel: Nuclear fusion
The steelmaking giant said Helion Energy would build a fusion reactor by 2030 at one of Nucor’s steel plants. But fusion is still more dream than reality.By Eric Wesoff .
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Nuclear
Nuclear startup Oklo looks to rebound with backing from Sam Altman
The microreactor pioneer has a SPAC deal, signed customers and potential sources for its specialized fuel. Now it needs an OK from regulators.By Eric Wesoff .
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Nuclear
Vogtle 3 nuclear reactor is finally, seriously — for real — online
The beleaguered project is the first U.S. nuclear reactor built in three decades. It comes after six years of delays and a final price tag of over $30 billion.By Maria Gallucci .
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Clean energy
Is the biggest US public utility finally catching up on clean energy?
Tennessee Valley Authority is buying massive amounts of renewables. But critics say it's still relying too much on fossil fuels to serve its 10 million customers.By Julian Spector .
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Nuclear
The US may soon get its first new source of nuclear fuel in 70 years
Next-gen nuclear plants could be critical to the energy transition, but first, they’ll need fuel. Centrus has overcome a key regulatory barrier to meeting that need.By Eric Wesoff .
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Podcast
Live: Is advanced nuclear ready for liftoff?
This week, we explore what it will take to build a lasting advanced nuclear industry in America.PlayBy 65 min .
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Nuclear
Avalanche raises $40M to pursue vision of tiny nuclear fusion reactor
The startup is spurning room-sized reactors in favor of a small, modular design. But it’s unclear when or if fusion technology — large or small — will pan out.By Eric Wesoff .
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