Project List
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| Design | Organisation | Headquarters | Country | Thermal power (MWth) | Outlet temperature (°C) | Spectrum (thermal/fast) | Fuel type | Reactor type |
|---|---|---|---|---|---|---|---|---|
| 4S | Toshiba Energy Systems & Solutions Corporation | Kawasaki, Kanagawa | Japan | 30 and 135 | 510 | Fast | Metallic U-Zr alloy | Fast spectrum |
| ACP100 | CNNC(6) | Beijing | China | 385 | 320 | Thermal | UO2 pellets | Water-cooled |
| ACPR50S | CGN(4) | Shenzhen | China | 200 | 320 | Thermal | UO2 pellets or UO2-Gd2O3 pellets | Water-cooled |
| A-HTR-100 | Eskom | Sandton | South Africa | 100 | 1 200 | Thermal | TRISO pebble | Gas-cooled |
| AP300TM SMR | Westinghouse Electric Company | Cranberry Township, Pennsylvania | United States | 990 | 325 | Thermal | UO2 pellets | Water-cooled |
| ARC-100 | ARC Clean Technology | Washington DC | United States | 286 | 510 | Fast | Metallic U-Zr alloy | Fast spectrum |
| Aurora Powerhouse | Oklo | Santa Clara, California | United States | 40 | 500 | Fast | Metallic U‐Zr Alloy | Fast spectrum |
| BANR | BWXT(1) | Lynchburg, Virginia | United States | 50 | 800 | Thermal | UCO(2) TRISO and UN(3) TRISO prismatic | Gas-cooled |
| Blue Capsule | Blue Capsule Technology | Aix-en-Provence | France | 150 | 750 | Thermal | TRISO prismatic | Other |
| BREST-OD-300 | NIKIET(14) | Moscow | Russia | 700 | 535 | Fast | MNUP(15) fuel | Fast spectrum |
| BWRX-300 | GE Hitachi Nuclear Energy | Wilmington, North Carolina | United States | 870 | 288 | Thermal | UO2 pellets | Water-cooled |
| Calogena | Gorgé | Paris | France | 30 | 100 | Thermal | UO2 or uranium silicide | Water-cooled |
| CAREM | CNEA(5) | Buenos Aires | Argentina | 100 | 326 | Thermal | UO2 pellets | Water-cooled |
| CMSR(16) | Seaborg Technologies | Copenhagen | Denmark | 250 | 670 | Thermal | Molten salt | Molten salt |
| DF300 | Dual Fluid Energy | Vancouver, British Columbia | Canada | 600 | 1 000 | Fast | Liquid metallic U-Cr alloy | Fast spectrum |
| Energy Well | CVŘ(7) | Husinec, Central Bohemian Region | Czechia | 20 | 700 | Thermal | TRISO prismatic | |
| eVinci microreactor | Westinghouse Electric Company | Cranberry Township, Pennsylvania | United States | 15 | 750 | Thermal | TRISO | |
| FLEX | MoltexFLEX | Warrington | United Kingdom | 60 | 700 | Thermal | Molten salt | Molten salt |
| GTHTR300 | JAEA(10) | Ibaraki | Japan | 600 | 950 | Thermal | TRISO prismatic | Gas-cooled |
| HAPPY200 | SPIC(17) | Beijing | China | 200 | 120 | Thermal | UO2 pellets | Water-cooled |
| Hermes | Kairos Power | Alameda, California | United States | 35 | 650 | Thermal | TRISO pebble | Molten salt |
| HEXANA | Hexana | Aix-en-Provence | France | 800 | 510 | Fast | MOX | Fast spectrum |
| HTGR-POLA | NCBJ(13) | Otwock | Poland | 30 | 750 | Thermal | TRISO prismatic | Gas-cooled |
| HTMR-100 | Stratek Global | Centurion, Pretoria | South Africa | 100 | 750 | Thermal | TRISO pebble | Gas-cooled |
| HTR-PM | INET(9) | Beijing | China | 500 | 750 | Thermal | TRISO pebble | Gas-cooled |
| HTTR | JAEA | Ibaraki | Japan | 30 | 950 | Thermal | TRISO prismatic | Gas-cooled |
| IMSR(18) | Terrestrial Energy | Oakville, Ontario | Canada | 884 | 700 | Thermal | Molten salt | Molten salt |
| Jimmy SMR | Jimmy | Paris | France | 10 | 550 | Thermal | UCO TRISO prismatic | Gas-cooled |
| Kaleidos | Radiant Industries | El Segundo, California | United States | 1.9 | 700 | Thermal | TRISO Prismatic | Gas-cooled |
| KLT-40S | ROSATOM | Moscow | Russia | 300 | 316 | Thermal | UO2 pellets | Water-cooled |
| LFR-AS-200 | newcleo | London | United Kingdom | 480 | 530 | Fast | MOX | Fast spectrum |
| LFTR | Flibe Energy | Huntsville, Alabama | United States | 600 | 650 | Thermal | Molten salt | Molten salt |
| MMR(19) | USNC(20) | Seattle, Washington | United States | 10 to 50 | 660 | Thermal | TRISO prismatic | Gas-cooled |
| MoveluX | Toshiba Energy Systems & Solutions Corporation | Kawasaki, Kanagawa | Japan | 10 | 680 | Thermal | Uranium silicide | Fast spectrum |
| Natrium Reactor Plant | TerraPower | Bellevue, Washington | United States | 840 | 500 | Fast | Metallic U-Zr alloy | Fast spectrum |
| NUWARD SMR | NUWARD | Paris | France | 1 080 | 307 | Thermal | UO2 pellets | Water-cooled |
| Otrera 300 | Otrera Nuclear Energy | Aix-en- Provence | France | 300 | 550 | Fast | MOX | Fast spectrum |
| Project Pele | BWXT | Lynchburg, Virginia | United States | N/A | N/A | Thermal | TRISO | Gas-cooled |
| PWR-20 | Last Energy | Washington DC | United States | 60 | 300 | Thermal | UO2 pellets | Water-cooled |
| Pylon D1 | USNC | Seattle, Washington | United States | 1 | 727 | Thermal | TRISO prismatic | Gas-cooled |
| RITM-200M | ROSATOM | Moscow | Russia | 396 | 318 | Thermal | UO2 pellets | Water-cooled |
| RITM-200N | ROSATOM | Moscow | Russia | 190 | 321 | Thermal | UO2 pellets | Water-cooled |
| RITM-200S | ROSATOM | Moscow | Russia | 396 | 318 | Thermal | UO2 pellets | Water-cooled |
| RR SMR | Rolls-Royce SMR | Manchester | United Kingdom | 1 358 | 325 | Thermal | UO2 pellets | Water-cooled |
| SC-HTGR(8) | Framatome | Lynchburg, Virginia | United States | 625 | 750 | Thermal | TRISO prismatic | Gas-cooled |
| SEALER-55 | Blykalla | Stockholm | Sweden | 140 | 550 | Fast | Uranium nitride | Fast spectrum |
| SMART | KAERI(11) | Daejon | Korea | 365 | 322 | Thermal | UO2 pellets | Water-cooled |
| SMR-300 | Holtec International | Jupiter, Florida | United States | 1 000 | N/A | Thermal | UO2 pellets | Water-cooled |
| SSR-W(12) | Moltex Energy | Saint John, New Brunswick | Canada | 750 | 590 | Fast | Molten salt | Molten salt |
| TEPLATOR | UWB and CIIRC CTU(21) | Prague | Czechia | 170 | 180 | Thermal | SNF from LWRs(22) or natural uranium | Water-cooled |
| ThorCon 500 | ThorCon International | Dubai | United Arab Emirates | 1 100 | 704 | Thermal | Molten salt | Molten salt |
| Thorizon One | Thorizon | Amsterdam | Netherlands | 250 | 550 | Thermal or fast | Molten salt | Molten salt |
| VOYGR | NuScale Power | Portland, Oregon | United States | 250 | 321 | Thermal | UO2 pellets | Water-cooled |
| Westinghouse LFR | Westinghouse Electric Company | Cranberry Township, Pennsylvania | United States | 950 | 530-650(23) | Fast | UO2 pellets or MOX; then UN pellets | Fast spectrum |
| XAMR | NAAREA | Nanterre | France | 80 | 625 | Fast | Molten salt | Molten salt |
| Xe-100 | X-energy | Rockville, Maryland | United States | 200 | 750 | Thermal | TRISO‐X pebble | Gas-cooled |