Holtec International
Holtec International is the nuclear steam supply system vendor for 10 reactor units on record, 0 of them operating, totalling 0.0 GW of gross capacity across 0 countries.
Operating units
0
0.0 GW gross
Under construction
0
Planned
10
Retired
0
Dry cask storage supplier and decommissioning operator that moved into reactor design with the SMR-300. Owner of the Palisades plant in Michigan, the first US reactor to be restarted after entering decommissioning.
Company
| Headquarters | Jupiter, Florida, USA |
|---|---|
| Founded | not recorded |
| Ownership | private |
| Roles in the chain | vendor, dry_storage |
Design lines
| Design | Generation | Capacity | Operating | Units |
|---|---|---|---|---|
| SMR-300 | III+ | 300 MWe gross | — | 10 |
Installed base
| Unit | Country | Status | Model | Gross MW | Online |
|---|---|---|---|---|---|
| Blue Castle nuclear power plant SMR-1 | United States | Announced | SMR-300 | 300 | — |
| Blue Castle nuclear power plant SMR-2 | United States | Announced | SMR-300 | 300 | — |
| Blue Castle nuclear power plant SMR-3 | United States | Announced | SMR-300 | 300 | — |
| Blue Castle nuclear power plant SMR-4 | United States | Announced | SMR-300 | 300 | — |
| Oyster Creek nuclear power plant SMR 1 | United States | Announced | SMR-300 | 300 | — |
| Oyster Creek nuclear power plant SMR 2 | United States | Announced | SMR-300 | 300 | — |
| Oyster Creek nuclear power plant SMR 3 | United States | Announced | SMR-300 | 300 | — |
| Oyster Creek nuclear power plant SMR 4 | United States | Announced | SMR-300 | 300 | — |
| Palisades nuclear power plant 2 | United States | Pre-construction | SMR-300 | 300 | 2030 |
| Palisades nuclear power plant 3 | United States | Pre-construction | SMR-300 | 300 | 2030 |
Sources
- Holtec International — company source
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release — CC BY 4.0 · retrieved 2026-09-06