NANO Nuclear Energy
Listed microreactor developer whose KRONOS MMR is a 15 MWe high-temperature gas-cooled reactor. The first unit is planned on the University of Illinois Urbana-Champaign campus.
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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.
- KRONOS MMR 1
- TypeReactor coolant/technology family. Gas-cooled fast is separated from thermal HTGR designs; sodium-cooled includes both fast and thermal-spectrum designs.
- HTGR 4
- 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.
- Micro 4
- 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.
- 15 4
- MWt / module MWtThermal output of one reactor module as published by the company or its regulator.
- 45 1
- FuelFuel form and enrichment class as published (for example LEU UO2, HALEU TRISO, fuel salt).
- Not published
- 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).
- Construction under review 1
- RegulatorsNational regulators the company has formally engaged (NRC, CNSC, ONR, ASN, and others), semicolon-separated.
- NRC 1
- Licensing detailThe milestones behind the licensing stage, by regulator, with dates.
- University of Illinois submitted the KRONOS construction permit application on 2026-03-31; NRC docketed it on 2026-05-18 and set the review schedule on 2026-06-16. 123
- Latest milestoneDate of the milestone that sets the licensing stage (for example the day a construction permit was issued or an application docketed).
- 2026-05-18 3
- First siteLocation of the first-of-a-kind commercial or demonstration unit, with the owner or host.
- University of Illinois Urbana-Champaign campus 12
- 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.
- Not published
- OwnershipPublic (listed shares), Private (venture or privately held), Subsidiary (a unit or joint venture of a larger company) or State-owned.
- Public 5
- TickerExchange and ticker of the company or its listed parent.
- NASDAQ: NNE 5
- ListedFirst trading day of the company's shares (or its listed parent's current ticker) on the exchange named in Ticker.
- 2024-05-08 7
- 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.
- Yes 5
- Data-center partnersHyperscalers and data-center operators the company has a signed or announced agreement with, semicolon-separated.
- Tillman Digital Gateway; Supermicro 56
- Data-center dealsWhat each data-center or hyperscaler agreement covers: partner, type of agreement, capacity and date.
- Non-binding framework with Tillman Digital Gateway (2026-08-24) targeting 2 GW by the mid-2030s and 6 GW by 2040, with up to $100M in milestone warrants; MOU with Supermicro on on-site reactors for AI data centers (2026-05-06). 56
- HQCountry of the company's headquarters.
- United States 5
- RegionHeadquarters region.
- North America 5
Sources
- NRC: KRONOS project accessed 2026-11-11
- ANS: UIUC submits MMR construction permit application accessed 2026-11-11
- KRONOS MMR selected for full NRC review accessed 2026-11-11
- NANO Nuclear 15 MWe Gen IV microreactor accessed 2026-11-11
- Power Engineering: up to 6 GW for data centers accessed 2026-11-11
- NANO Nuclear: MOU with Supermicro accessed 2026-11-11
- NANO Nuclear: IPO pricing, Nasdaq trading from 8 May 2024 accessed 2026-11-11
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