Sable Fast Reactor
Sable Fast Reactor, Series B
Preferred equity in a sodium fast reactor with integrated salt storage, siting where a coal plant already has the transmission.
A fast spectrum needs no moderator, and sodium at atmospheric pressure removes the high-pressure containment problem. Bolting a molten salt heat store onto the secondary side turns a baseload machine into one that can follow load and sell into peak pricing. Siting at a retiring coal plant inherits the switchyard, the transmission rights and the workforce.
$4,410,000 committed of $5,000,000
$2,205,000 released · 88% subscribed
- Minimum
- $100
- Instrument
- Preferred equity
- Term
- None
- Investors
- 2,218
$18 per unit
Closes September 15, 2026 · 2 days remaining
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Principal risks of this offering
- Sodium reacts violently with both water and air, and the sodium fire history of earlier fast reactors is a matter of public record.
- Metallic fuel fabrication at commercial scale depends on a HALEU supply chain still under construction.
- No construction permit has been issued and the application has not yet been filed.
- Preferred equity ranks below any future debt and could return nothing.
General risks of private securities
Private securities are speculative and illiquid. You should be prepared to hold this position for its full term and to lose the entire amount invested. Nuclear construction has a documented history of schedule and cost overrun. Platforms that sold equity in unbuilt energy projects have mostly failed; those that sold debt against operating assets with contracted offtake have mostly survived. That history is why the TRL tier of an offering matters more than its headline return.
A TRL score is not a prediction and not a rating. Read the offering documents in full before committing capital.