VVER V-320
The VVER V-320 is a Generation II pressurised water reactor from Rosatom. 25 units are operating and 0 are under construction, out of 29 on record.
Operating
25
25.3 GW gross
Under construction
0
Planned
0
Cancelled
4
0 retired
The standard Soviet VVER-1000 series production model and the most numerous large reactor in the former Soviet bloc. Units operate across Russia, Ukraine, including all six at Zaporizhzhia. Bulgaria and the Czech Republic.
Design
| Vendor | Rosatom |
|---|---|
| Reactor type | Pressurised water reactor (PWR) |
| Generation | II |
| Capacity range | 1000 MWe gross |
| Coolant | Light water |
| Typical enrichment | 3–5% U-235 |
Where it is built
| Ukraine | 11 units, 11 operating |
|---|---|
| Russia | 10 units, 10 operating |
| Bulgaria | 4 units, 2 operating |
| Czech Republic | 4 units, 2 operating |
How long it took to build
Years from construction start to grid connection, for units with both dates on record. The median across 25 finished units is 7.4 years.
All VVER V-320 units
Sources
- VVER V-320, vendor documentation
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release , CC BY 4.0 · retrieved 2026-09-06
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data