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Industry Update—September 2025

Here is a recap of industry happenings from the recent past:

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Progress continues on ITER vacuum vessel construction

Westinghouse Electric Company has signed a $180 million contract with the ITER Organization for the assembly of ITER’s vacuum vessel. Westinghouse has been collaborating with ITER for more than a decade, including in the manufacturing of sectors for the tokamak device’s vacuum vessel, in cooperation with its partners in the AMW consortium, Ansaldo Nucleare and Walter Tosto. After all the vacuum vessel sectors are in place, Westinghouse plans to simultaneously weld the nine sectors to form one circular ring-shaped torus.

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ANS's webinar on security in floating and offshore nuclear power

The American Nuclear Society’s Nuclear Nonproliferation Policy Division (NNPD) held a webinar recently exploring the security aspects of floating and offshore nuclear power.

Moderator Shikha Prasad, CEO of Srijan LLC and immediate past chair of the NNPD, began the discussion by recapping the recent exponential growth in the field and its future economic potential before introducing the presenters, each of whom spoke about the work they and their organizations are doing to advance the field.

Below are brief summaries of each speaker’s presentation. To see their thoughts and the ensuing Q&A, click here.

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Kairos Power and BWXT team up on TRISO

Kairos Power and BWX Technologies announced today that they will work together to “collaboratively explore” optimizing commercial production of TRISO fuel for Kairos’s planned advanced reactor fleet—beginning with the 50-MWe Hermes 2, slated for operation in 2030—and other potential customers. Their collaboration could include jointly developing a TRISO fuel fabrication facility.

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Aalo breaks ground in Idaho

Eight days after Aalo Atomics released the details of its securing of $100 million in Series B funding, the company announced that it has broken ground on the 50-MWe Aalo-X. Sited in the desert beside Idaho National Laboratory, it will be the company’s first nuclear power plant, and it remains on track to go on line by July 4, 2026.

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Nuclear power on the moon: What we’re watching

After the Trump administration’s new push to get a nuclear reactor on the moon by 2030 was first reported by Politico last month, media played up the shock value for people new to the concept. Few focused on the technical details of the new plan for lunar fission surface power (FSP), which halts and replaces a program that began under the first Trump administration with an early hope of getting a reactor on the moon by the end of 2026. Now, the focus is on streamlining NASA’s internal processes to support commercial space companies that can build a reactor with more than twice the power and mass and have it ready for launch by 2030.

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