Clinch River SMR nuclear power plant 4
Announced United States
Gross capacity
300MW
Clinch River SMR nuclear power plant 4 is a boiling water reactor unit at Clinch River SMR nuclear power plant in United States rated at 300 MW gross. It is announced.
Specification
| Reactor type | Boiling water reactor (BWR) |
|---|---|
| Model | BWRX-300 |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 300MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Clinch River SMR nuclear power plant |
|---|---|
| Unit | 4 |
| Country | United States |
| Owner | Tennessee Valley Authority100% |
| Coordinates | 35.8894, -84.3793 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- Framatome BWR fuel assemblies
- Global Nuclear Fuel BWR fuel assemblies
- Westinghouse Electric Company BWR fuel assemblies
Upstream
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Fabricator capability is recorded against reactor type and model line, not against named units —
utilities do not publish fuel contracts. See the fuel chain.
Other units at Clinch River SMR nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Clinch River SMR nuclear power plant 1 | Pre-construction | 300 |
| Clinch River SMR nuclear power plant 2 | Announced | 300 |
| Clinch River SMR nuclear power plant 3 | Announced | 300 |
Other BWRX-300 units
47 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Alberta nuclear power plant 1 | Canada | Announced | 315 |
| Alberta nuclear power plant 2 | Canada | Announced | 315 |
| Clinch River SMR nuclear power plant 1 | United States | Pre-construction | 300 |
| Clinch River SMR nuclear power plant 2 | United States | Announced | 300 |
| Clinch River SMR nuclear power plant 3 | United States | Announced | 300 |
| Darlington New nuclear power plant 1 | Canada | Under construction | 300 |
| Darlington New nuclear power plant 2 | Canada | Announced | 300 |
| Darlington New nuclear power plant 3 | Canada | Announced | 300 |
| Darlington New nuclear power plant 4 | Canada | Announced | 300 |
| Dąbrowa Górnicza nuclear power plant 1 | Poland | Announced | 300 |
| Dąbrowa Górnicza nuclear power plant 2 | Poland | Announced | 300 |
| Dąbrowa Górnicza nuclear power plant 3 | Poland | Announced | 300 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release — CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2026-06-27
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted