Atucha nuclear power plant 3
Shelved Argentina
Gross capacity
1,150MW
Atucha nuclear power plant 3 is a pressurised water reactor unit at Atucha nuclear power plant in Argentina rated at 1,150 MW gross. It is shelved.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | Hualong One |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 1,150MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Atucha nuclear power plant |
|---|---|
| Unit | 3 |
| Country | Argentina |
| Owner | China National Nuclear Corp100% |
| Operator | Nucleoelectrica Argentina |
| Coordinates | -33.9672, -59.2075 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- China National Nuclear Corporation PWR fuel assemblies
- ENUSA Industrias Avanzadas PWR and BWR fuel assemblies
- Framatome PWR fuel assemblies
- KEPCO Nuclear Fuel PWR fuel assemblies
- Mitsubishi Heavy Industries PWR fuel assemblies
- Westinghouse Electric Company PWR 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utilities do not publish fuel contracts.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 Atucha nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Atucha nuclear power plant 1 | 362 | |
| Atucha nuclear power plant 2 | 745 | |
| Atucha nuclear power plant SMR 1 | Announced | 300 |
| Atucha nuclear power plant SMR 2 | Announced | 300 |
| Atucha nuclear power plant SMR 3 | Announced | 300 |
| Atucha nuclear power plant SMR 4 | Announced | 300 |
Other Hualong One units
4 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Bradwell B nuclear power plant 1 | United Kingdom | Cancelled | 1,150 |
| Bradwell B nuclear power plant 2 | United Kingdom | Cancelled | 1,150 |
| Chashma nuclear power plant 5 | Pakistan | Under construction | 1,200 |
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