Mochovce nuclear power plant 4
Under construction Slovakia
Gross capacity
471MW
Mochovce nuclear power plant 4 is a pressurised water reactor unit at Mochovce nuclear power plant in Slovakia rated at 471 MW gross. It is under construction. Construction started 27 Jan 1987.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | VVER V-213 |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 471MW |
| Net capacity (reference) | 440MW |
| Net capacity (design) | 440MW |
| Thermal output | 1,375MWt |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Mochovce nuclear power plant |
|---|---|
| Unit | 4 |
| Country | Slovakia |
| Owner | Slovenské Elektrárne AŞ100% |
| Operator | Slovenské Elektrárne |
| Coordinates | 48.2572, 18.4553 |
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
- TVEL Fuel Company VVER fuel assemblies
- Westinghouse Electric Company VVER-compatible 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utilities do not publish fuel contracts.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.
Timeline
- 27 Jan 1987Construction start
Other units at Mochovce nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Mochovce nuclear power plant 1 | 500 | |
| Mochovce nuclear power plant 2 | 500 | |
| Mochovce nuclear power plant 3 | 471 |
Other VVER V-213 units
25 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Bohunice nuclear power plant 3 | Slovakia | 500 | |
| Bohunice nuclear power plant 4 | Slovakia | 500 | |
| Dukovany nuclear power plant 1 | Czech Republic | 500 | |
| Dukovany nuclear power plant 2 | Czech Republic | 500 | |
| Dukovany nuclear power plant 3 | Czech Republic | 500 | |
| Dukovany nuclear power plant 4 | Czech Republic | 500 | |
| Kola nuclear power plant 1-3 | Russia | 440 | |
| Kola nuclear power plant 1-4 | Russia | 440 | |
| Loviisa nuclear power plant 1 | Finland | 531 | |
| Loviisa nuclear power plant 2 | Finland | 531 | |
| Mochovce nuclear power plant 1 | Slovakia | 500 | |
| Mochovce nuclear power plant 2 | Slovakia | 500 |
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 2026-06-15
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted