# Commonwealth Fusion Systems joins UKAEA's tritium blanket testing programme

_Monday, July 6, 2026 at 8:00 AM EDT · Science · Latest · Tier 2 — Notable_

![Commonwealth Fusion Systems joins UKAEA's tritium blanket testing programme — Primary](https://world-nuclear-news.org/images/articles/LIBRTIbuilding(UKAEA)_89207.jpg)

LONDON -- The UK Atomic Energy Authority has named US private fusion company Commonwealth Fusion Systems as the first international company to join its flagship Lithium Breeding Tritium Innovation programme, World Nuclear News reported. UKAEA has announced that Commonwealth Fusion Systems (CFS) is the first international company to join the Lithium Breeding Tritium Innovation programme. CFS and UKAEA will work together, designing the experimental setup, developing testing protocols, and conducting experiments at the Lithium Breeding Tritium Innovation facility. The programme is the flagship initiative of the UK Atomic Energy Authority for tritium blanket testing. The US company is the first international participant in the programme. The collaboration will focus on the experimental setup and testing protocols at the facility. World Nuclear News reported the development as CFS joins the UKAEA's tritium blanket testing programme. The authority named the company for this role in the programme. The work involves designing the experimental setup for the initiative. Testing protocols will be developed in partnership. Experiments will be conducted at the Lithium Breeding Tritium Innovation facility as part of the agreement between the two organizations.

## Sources

- [World Nuclear News](https://www.world-nuclear-news.org/articles/cfs-joins-ukaeas-tritium-blanket-testing-programme)

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Retrieved: 2026-07-07T02:29:37.269Z
Publisher: Tech & Business (techandbusiness.org)