Paks
Paks, nuclear power plant in Hungary, operates 4 pressurized water reactors with 1,916 MW net installed capacity and has been in service since 1983.
Unit Paks 1 has been operating for 43 years, since 1983. Paks 5 is under construction, with grid connection expected in 2032. Its 1,916 MW net are enough to supply about 6,040,000 households.
- Country
- Hungary
- Units
- 6
- Technology
- PWR
- Net capacity
- 1,916 MWe
- First grid connection
- 1983
- Operator
- MVM Paks Nuclear Power Plant
- Owner
- MVM Hungarian Electricity Ltd
- Status
- Operating
See also: alerts for this plant · every plant in Hungary · Vendor: Atomenergoexport (USSR) · Vendor: Rosatom (Atomenergomash, Atomstroyexport) · every PWR reactor · how a PWR works
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Paks 1 | Pressurized water (PWR) | VVER-440 (V-213) | Operating | 479 | 1,485 | Aug 1, 1974 | Dec 28, 1982 | — | 98.7 % (2024) |
| Paks 2 | Pressurized water (PWR) | VVER-440 (V-213) | Operating | 479 | 1,485 | Aug 1, 1974 | Sep 6, 1984 | — | 91.7 % (2024) |
| Paks 3 | Pressurized water (PWR) | VVER-440 (V-213) | Operating | 479 | 1,485 | Oct 1, 1979 | Sep 28, 1986 | — | 89.1 % (2024) |
| Paks 4 | Pressurized water (PWR) | VVER-440 (V-213) | Operating | 479 | 1,485 | Oct 1, 1979 | Aug 16, 1987 | — | 81.0 % (2024) |
| Paks 5 | Pressurized water (PWR) | VVER-1200 | Under construction | 1,185 | 3,200 | Feb 5, 2026 | 2032 (planned) | — | — |
| Paks 6 | Pressurized water (PWR) | VVER-1200 | Planned | 1,185 | 3,200 | 2026 | 2032 (planned) | — | — |
Data: IAEA PRIS · Global Energy Monitor · Wikipedia · editorial review · updated on Sep 21, 2026
Paks 1, a 479 MWe PWR (VVER-440 (V-213)), started construction in 1974, was connected to the grid in 1982 and is still operating, with a 98.7% load factor in 2024.
Paks 2, a 479 MWe PWR (VVER-440 (V-213)), started construction in 1974, was connected to the grid in 1984 and is still operating, with a 91.7% load factor in 2024.
Paks 3, a 479 MWe PWR (VVER-440 (V-213)), started construction in 1979, was connected to the grid in 1986 and is still operating, with a 89.1% load factor in 2024.
Paks 4, a 479 MWe PWR (VVER-440 (V-213)), started construction in 1979, was connected to the grid in 1987 and is still operating, with a 81% load factor in 2024.
Paks 5, a 1,185 MWe PWR (VVER-1200), has been under construction since 2026, with grid connection expected in 2032.
Paks 6, a 1,185 MWe PWR (VVER-1200), is planned, with grid connection expected in 2032.
Operator: MVM Paks Nuclear Power Plant.
Owner: MVM Hungarian Electricity Ltd (Paks 1, Paks 2, Paks 3, Paks 4, Paks 5, Paks 6).