In Development
Natrium
Sodium-cooled fast reactor with integrated molten salt energy storage, enabling flexible output from 345 MWe to 500 MWe peak.
TerraPowerMolten Salt Energy Storage
In Development
Integrated thermal energy storage system using molten salt to decouple reactor output from grid delivery, enabling peak power output.
Latest update Sep 18, 2026
01
Current status
Part of the Natrium system - allows flexible power dispatch to complement intermittent renewables. Company Natrium page (re-verified Sept 18, 2026) still lists greater-than-or-equal-to 5 hours of storage and a boost from 345 MWe to 500 MWe.
02
Specifications4
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More from TerraPower2
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