Atucha nuclear power plant SMR 4
Gross capacity
300MW
Atucha nuclear power plant SMR 4 is a small modular reactor unit at Atucha nuclear power plant in Argentina rated at 300 MW gross. It is announced.
Specification
| Reactor type | small modular reactor |
|---|---|
| Model | ACR-300 |
| Size class | Small modular |
| Coolant | not disclosed |
| Moderator | not disclosed |
| Gross capacity | 300MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| Typical enrichment | not disclosed |
Ownership & location
| Site | Atucha nuclear power plant |
|---|---|
| Unit | SMR 4 |
| Country | Argentina |
| Coordinates | -33.9687, -59.2077 |
Fuel chain for this unit
Fuel form
not established for this unit's type
Enrichment
not established
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utilities do not publish fuel contracts.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 Atucha nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Atucha nuclear power plant 1 | 362 | |
| Atucha nuclear power plant 2 | 745 | |
| Atucha nuclear power plant 3 | Shelved | 1,150 |
| Atucha nuclear power plant SMR 1 | Announced | 300 |
| Atucha nuclear power plant SMR 2 | Announced | 300 |
| Atucha nuclear power plant SMR 3 | Announced | 300 |
Other ACR-300 units
4 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Atucha nuclear power plant SMR 1 | Argentina | Announced | 300 |
| Atucha nuclear power plant SMR 2 | Argentina | Announced | 300 |
| Atucha nuclear power plant SMR 3 | Argentina | 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 2026-06-08
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted