Blue Capsule
Develops a sodium-cooled high-temperature reactor for industrial heat, steam and electricity. CEA describes 150 MWt of heat or 50 MWe of electricity; ASNR lists the industrial prototype in preparatory review.
Facts
Source per value- DesignThe company's lead reactor design name(s) as the company or its regulator names them; semicolon-separated when it markets more than one.
- BLUE CAPSULE industrial prototype 1
- TypeReactor coolant/technology family. Gas-cooled fast is separated from thermal HTGR designs; sodium-cooled includes both fast and thermal-spectrum designs.
- Sodium-cooled 23
- Size classDerived from published electric output per module: Micro is 20 MWe or less, Small is above 20 and up to 300 MWe, Medium is above 300 MWe. Legacy heat-only classifications use one third of thermal output as an explicit comparison convention, not a claimed electric rating.
- Small 2
- MWe / module MWeNet (or gross where only gross is published) electric output of one reactor module as the company or its regulator publishes it. Null for heat-only designs.
- 50 2
- MWt / module MWtThermal output of one reactor module as published by the company or its regulator.
- 150 12
- FuelFuel form and enrichment class as published (for example LEU UO2, HALEU TRISO, fuel salt).
- TRISO 23
- Licensing stageFurthest licensing milestone reached with any national regulator: Operating; Construction licensed (construction permit or licence issued); DOE test authorization (a test reactor authorized or built under the US Department of Energy, for example the Reactor Pilot Program or the DOME test bed); Construction under review (construction, site or creation application filed); Design approved (design certification, standard design approval or GDA completed); Design review (formal design review under way, such as UK GDA, CNSC vendor design review or a French safety-options review); Pre-licensing (pre-application engagement only).
- Pre-licensing 1
- RegulatorsNational regulators the company has formally engaged (NRC, CNSC, ONR, ASN, and others), semicolon-separated.
- ASNR 1
- Licensing detailThe milestones behind the licensing stage, by regulator, with dates.
- ASNR lists Blue Capsule in project preparatory review in 2026, before the formal regulatory assessment phase. No construction licence is established by this listing. 1
- Latest milestoneDate of the milestone that sets the licensing stage (for example the day a construction permit was issued or an application docketed).
- Not published
- First siteLocation of the first-of-a-kind commercial or demonstration unit, with the owner or host.
- Not published
- First powerYear the company or its host utility targets for first operation (criticality or commercial operation, as stated) of the first unit. A plan, not a guarantee.
- 2,035 2
- OwnershipPublic (listed shares), Private (venture or privately held), Subsidiary (a unit or joint venture of a larger company) or State-owned.
- Not published
- TickerExchange and ticker of the company or its listed parent.
- Not published
- ListedFirst trading day of the company's shares (or its listed parent's current ticker) on the exchange named in Ticker.
- Not published
- FundingHeadline funding: equity raised, public listing, government cost-share awards (DOE ARDP, GAIN, Great British Nuclear and others), with amounts and dates.
- Not published
- Data-center dealTrue when the company has a signed, announced agreement (PPA, framework, MOU, investment or capacity reservation) with a hyperscaler or data-center operator.
- Not published
- Data-center partnersHyperscalers and data-center operators the company has a signed or announced agreement with, semicolon-separated.
- Not published
- Data-center dealsWhat each data-center or hyperscaler agreement covers: partner, type of agreement, capacity and date.
- Not published
- HQCountry of the company's headquarters.
- Not published
- RegionHeadquarters region.
- Not published
Sources
- ASNR: Blue Capsule prototype and preparatory review status accessed 2026-11-11
- CEA: Blue Capsule specifications and first commissioning target accessed 2026-11-11
- Blue Capsule: sodium pool and TRISO fuel accessed 2026-11-11
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