SMRMap SMR companies, designs, and deployment projects — sourced, limited coverage

Explore SMR projects worldwide.

A source-linked directory of SMR and labeled microreactor projects, the organizations behind them, and their designs.

Elementl Letart Township BWRX-300 proposalHTR-PM Shidaowan demonstrationAkademik Lomonosov floating NPPLinglong One (ACP100) ChangjiangCAREM-25Darlington BWRX-300 Unit 1Natrium Kemmerer Unit 1Kairos Hermes 1Kairos Hermes 2Long Mott Generating Station (Xe-100 at Dow Seadrift)TVA Clinch River BWRX-300Oklo Aurora-INLNB Power ARC-100 at Point LepreauBREST-OD-300 SeverskRITM-200N JizzakhRolls-Royce SMR WylfaNuScale VOYGR Doicești (Romania)Holtec Pioneer Units 1 and 2 (SMR-300 at Palisades)UAMPS Carbon Free Power Project (cancelled)Cascade Advanced Energy FacilityTemelin Rolls-Royce SMROSGE Wloclawek BWRX-300OSGE Stawy Monowskie BWRX-300OSGE Stalowa Wola BWRX-300SaskPower Rafferty SMR (Estevan area)Project Pele (INL microreactor demonstration)Yakutia land-based RITM-200N (Ust-Kuyga)Baim / Cape Nagloynyn floating PEB-106 (RITM-200S)Oklo Aurora at Eielson AFB (DAF microreactor pilot)Aalo-X at Idaho National LaboratoryAntares Mark-0 at Idaho National LaboratoryDeployable Energy Unity at Idaho National LaboratoryValar Atomics Ward 250Aalo commercial proposal at Texas A&M-RELLISKairos commercial proposal at Texas A&M-RELLISNatura MSR-100 proposal at Texas A&M-RELLISTerrestrial Energy IMSR at Texas A&M-RELLISLast Energy PWR-5 pilot at Texas A&M-RELLISOklo Aurora campus, Pike County, OhioThorcon 500, Kelasa IslandOSGE Ostrołęka BWRX-300 proposalOSGE Kraków / Nowa Huta BWRX-300 proposalRolls-Royce SMR Tušimice candidate locationRolls-Royce SMR Dětmarovice candidate locationDuke Belews Creek technology-neutral SMR proposalHoltec Oyster Creek SMR proposalHoltec Green River / Blue Castle, Utah proposalLast Energy Haskell County PWR-20 campusLast Energy Llynfi PWR-20 proposalLast Energy London Gateway PWR-20 proposalAEP Rockport BWRX-300 proposalAEP Joshua Falls SMR proposalDominion North Anna SMR proposalGlobal First Power Chalk River MMR (paused)Tarapur BSMR-200 lead proposalTarapur SMR-55 lead proposalBARC Visakhapatnam HTGCR hydrogen demonstration proposalRadiant Kaleidos demonstration at INL DOMERadiant Kaleidos Buckley Space Force Base proposalNatura MSR-1 demonstration at Abilene Christian UniversityACR-300 SMR proposal at Atucha (Meitner Energy)Tata / BWXT BANR Green River, Wyoming proposalJimmy Cristanol Bazancourt heat microreactor proposalPenn State FRONTIER eVinci research proposalUniversity of Illinois KRONOS MMReVinci DOME nuclear test reactorProject TETRA / TETRA-1 pilot at Texas A&M RELLISShearwater NuScale Wylfa feasibility proposal (2021)ZE PAK Pątnów SMR proposal (2021 cooperation agreement)Energoatom / Holtec Rivne SMR-160 proposal (MoU-era)Dimitrovgrad SVBR-100 pilot proposal (2013 land lease)USNC MMR Idaho National Laboratory demonstration proposal (2020 ARDP)Midpoint SMR Project #1 (Sawtooth / SEDC, Jerome County)Surry Green Energy Center SMR campus proposalNine Mile Point Gen III+ SMR early site permit evaluationCentrica / X-energy Xe-100 plant at HartlepoolHoltec / EDF SMR-300 proposal at CottamCwmni Egino small modular reactor proposal at TrawsfynyddVideberg Kraft Rolls-Royce SMR plant on the Värö peninsula (Ringhals)Studsvik new nuclear at the Nyköping home siteCopenhagen Atomics critical experiment at the Paul Scherrer InstituteCalogena nuclear heating plant at CEA CadaracheStellaria Alvin experimental reactor (INB Alpha) at Cadarachenewcleo / JAVYS LFR-AS-200 study at Bohunice V1Necsa SMR demonstration reactor at PelindabaPBMR demonstration power plant at Koeberg (terminated)Nuclea Morpheus test reactor siting at the Utah San Rafael Energy LabDarlington BWRX-300 Units 2-4Moltex SSR-W at Point LepreauHTGR-POLA research reactor (NCBJ)GE Hitachi PRISM plutonium-reuse proposal at Sellafield (not taken forward)Pylon / LOKI MMR experiment proposal for INL's DOMENuCube test microreactor at the Utah San Rafael Energy LabNarvik Kjernekraft SMR plant proposal at Fornes, BallangenSINAP small modular thorium molten-salt research reactor (10 MWe), MinqinHuakun One floating reactor platform demonstration at the Taipingling siteShandong Haiyang integrated small reactor demonstration project (heat only)

Open interactive map · 97 of 203 projects mapped

Land outline: Natural Earth (public domain).

203 source-linked projects and proposals · 202 organizations · 182 designs · 29 countries

Curated, source-linked records — not a complete worldwide inventory, and not a count of operating power plants. About our coverage →

Example projects

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Examples from the directory — a small mix of stages and regions, not rankings or recommendations.

Example companies

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Public and privately held organizations from verified directory records — not popularity or performance rankings.

Recorded milestones

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  1. Last Energy announces DOE approval of PWR-5 final safety analysis
    Last Energy PWR-5 pilot at Texas A&M-RELLIS · Last Energy announces PWR-5 documented safety analysis approval
  2. INL reports DOE approval of MARVEL's final documented safety analysis
    MARVEL microreactor test bed at INL's TREAT facility · INL news release (6 Oct 2026): MARVEL reactor gets federal safety approval as its primary vessel arrives in Idaho
  3. Belledune transportable plant: BWXT BANR microreactor selected
    Belledune Prodigy transportable nuclear proposal · BWXT: BWXT's BANR microreactor chosen for Canadian transportable nuclear power plant project (5 October 2026)
  4. Pioneer 1 and 2: preliminary safety analysis report submitted (construction permit application part 2)
    Holtec Pioneer Units 1 and 2 (SMR-300 at Palisades) · Holtec: Major regulatory developments in the Palisades Pioneer Unit 1 & 2 program (30 September 2026)
  5. Véron: CNDP notice updated; debate reports available
    newcleo LFR-AS-30 at Beaumont-en-Véron / Savigny-en-Véron · CNDP: the public debate's report and assessment are online (notice updated 30 September 2026)
  6. DOE approves PWR-5 Phase 1 environmental categorical exclusion
    Last Energy PWR-5 pilot at Texas A&M-RELLIS · DOE PWR-5 Phase 1 NEPA categorical exclusion, DOE-ID-26-008