Paks nuclear power plant 6
Under construction Hungary
Gross capacity
1,265MW
Paks nuclear power plant 6 is a pressurised water reactor unit at Paks nuclear power plant in Hungary rated at 1,265 MW gross. It is under construction. Commercial operation began 1 Jan 2032.
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | VVER V-527 |
| Size | Largeabove 300 MWe |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 1,265MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | 1,185MW |
| Thermal output | 3,200MWt |
| NSSS vendor | Rosatomall vendors |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Paks nuclear power plant |
|---|---|
| Unit | 6 |
| Country | Hungary |
| Owner | MVM Hungarian Electricity Ltd100% |
| Operator | MVM Paks Nuclear Power Plant |
| Coordinates | 46.5776, 18.8532 |
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utilities do not publish fuel contracts.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
- 5 Feb 2026Construction start
- 1 Jan 2032Commercial operation
Other units at Paks nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Paks nuclear power plant 1 | 509 | |
| Paks nuclear power plant 2 | 506 | |
| Paks nuclear power plant 3 | 506 | |
| Paks nuclear power plant 4 | 506 | |
| Paks nuclear power plant 5 | Under construction | 1,265 |
Other VVER V-527 units
2 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Paks nuclear power plant 5 | Hungary | Under construction | 1,265 |
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 2026-06-24
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data