Nuclear

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 . 22 November 2023
Podcast

The cost of nuclear

Building reactors in South Korea is far cheaper than building in the U.S., but why?

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By Shayle Kann . 48 min . 16 November 2023
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 . 9 November 2023
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 . 3 October 2023
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 . 8 September 2023
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 . 31 July 2023
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 . 26 July 2023
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 . 12 July 2023
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.

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By Stephen Lacey . 65 min . 17 May 2023
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 . 27 April 2023