SMR-300
The SMR-300 is a Generation III+ pressurised water reactor from Holtec International. 0 units are operating and 0 are under construction, out of 10 on record.
Operating
0
—
Under construction
0
Planned
10
Cancelled
0
0 retired
A 300 MWe pressurised light water SMR from Holtec, proposed for the site of the Palisades plant in Michigan which Holtec itself owns and restarted. Uses conventional LEU fuel.
Design
| Vendor | Holtec International |
|---|---|
| Reactor type | Pressurised water reactor (PWR) |
| Generation | III+ |
| Capacity range | 300 MWe gross |
| Coolant | Light water |
| Typical enrichment | 3–5% U-235 |
Where it is built
| United States | 10 units |
|---|
All SMR-300 units
| Unit | Country | Status | Gross MW | Online |
|---|---|---|---|---|
| Blue Castle nuclear power plant SMR-1 | United States | Announced | 300 | — |
| Blue Castle nuclear power plant SMR-2 | United States | Announced | 300 | — |
| Blue Castle nuclear power plant SMR-3 | United States | Announced | 300 | — |
| Blue Castle nuclear power plant SMR-4 | United States | Announced | 300 | — |
| Oyster Creek nuclear power plant SMR 1 | United States | Announced | 300 | — |
| Oyster Creek nuclear power plant SMR 2 | United States | Announced | 300 | — |
| Oyster Creek nuclear power plant SMR 3 | United States | Announced | 300 | — |
| Oyster Creek nuclear power plant SMR 4 | United States | Announced | 300 | — |
| Palisades nuclear power plant 2 | United States | Pre-construction | 300 | 2030 |
| Palisades nuclear power plant 3 | United States | Pre-construction | 300 | 2030 |
Sources
- SMR-300 — vendor documentation
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release — CC BY 4.0 · retrieved 2026-09-06