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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)
ModelVVER V-527
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity1,265MW
Net capacity (reference)not disclosed
Net capacity (design)1,185MW
Thermal output3,200MWt
Typical enrichment3–5% U-235
Ownership & location
SitePaks nuclear power plant
Unit6
CountryHungary
OwnerMVM Hungarian Electricity Ltd100%
OperatorMVM 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
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.

RosatomUrencoCNNCOrano
Conversion
CamecoCNNCConverDynOranoRosatom
Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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

  1. 5 Feb 2026Construction start
  2. 1 Jan 2032Commercial operation

Other units at Paks nuclear power plant

UnitStatusGross MW
Paks nuclear power plant 1 Operating 509
Paks nuclear power plant 2 Operating 506
Paks nuclear power plant 3 Operating 506
Paks nuclear power plant 4 Operating 506
Paks nuclear power plant 5 Under construction 1,265

Other VVER V-527 units

2 units worldwide share this model designation.

UnitCountryStatusGross MW
Paks nuclear power plant 5 Hungary Under construction 1,265

Sources