Super-Safe, Small and Simple (4S)
| Designer: | Toshiba Corporation |
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| Reactor Power: | 30 MWt |
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| Electrical Output: | 10 MWe |
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| Outlet Conditions: | 510°C |
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| Coolant: | Liquid-metal (sodium) |
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| Fuel Design: | 18 hexagonal fuel assemblies - U-10%Zr Alloy with 19.9% enrichment |
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| Refueling: | 30 years |
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| Letter of Intent: | Updated March 15, 2011 |
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| Licensing Plan: | Design Approval |
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| Expected Submittal: | Second quarter 2012 |
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| Design Information: | Small, sodium-cooled, underground reactor |
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| Status/Other Info: | Working with the city of Galena, AK as a potential COL partner. |
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| Website: | N/A | |
Page Last Reviewed/Updated Tuesday, June 14, 2011

