| Design | Output | Type | Designers | Country | Status | |
| KLT-40S | 70 | Floating NPP | OKBM Afrikantov | Russian Federation | Under | |
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| construction | |
| HTR-PM | 210 | HTGR | INET, Tsinghua University | China | Under | |
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|
|
| construction | |
| CAREM | 30 | PWR | CNEA | Argentina | Under | |
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|
| construction | |
| ACP100 | 100 | PWR | CNNC | China | Conceptual | |
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|
| Design | |
| CAP150/200 | 150/200 | PWR | CGNPC | China | Conceptual | |
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|
| Design | |
| AHWR-300 | 300 | PHWR | BARC | India | Conceptual | |
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|
| Design | |
| IRIS | 335 | PWR | IRIS Consortium | Multi Countries | Conceptual | |
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|
| Design | |
| DMS | 300 | BWR | Hitachi GE | Japan | Conceptual | |
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|
| Design | |
| IMR | 350 | PWR | MHI | Japan | Conceptual | |
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|
| Design | |
| IMSR | 185 - 192 | MSR | Terrestrial Energy | Canada | Conceptual | |
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|
| Design | |
| MSTW | 100 | MSR | Seaborg Technologies | Denmark | Conceptual | |
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|
| Design | |
| ThorCon | 250 | MSR | Martingale | International | Conceptual | |
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| Consortium | Design | |