VVER-TOI
The VVER-TOI is a Generation III+ pressurised water reactor from Rosatom. 0 units are operating and 1 is under construction, out of 17 on record.
Operating
0
-
Under construction
1
Planned
5
Cancelled
11
0 retired
A standardised, uprated evolution of the VVER-1200 designed to cut build cost and schedule through a common digital design basis. First units are under construction at Kursk II.
Design
| Vendor | Rosatom |
|---|---|
| Reactor type | Pressurised water reactor (PWR) |
| Generation | III+ |
| Capacity range | 1255–1300 MWe gross |
| Coolant | Light water |
| Typical enrichment | 3–5% U-235 |
Where it is built
| Russia | 17 units, 1 building |
|---|
All VVER-TOI units
| Unit | Country | Status | Gross MW | Online |
|---|---|---|---|---|
| Kursk nuclear power plant 2-3 | Russia | Under construction | 1,255 | 2034 |
| Central/Kostroma nuclear power plant 1 | Russia | Cancelled | 1,250 | - |
| Central/Kostroma nuclear power plant 2 | Russia | Cancelled | 1,250 | - |
| Central/Kostroma nuclear power plant 3 | Russia | Cancelled (inferred) | 1,255 | - |
| Central/Kostroma nuclear power plant 4 | Russia | Cancelled (inferred) | 1,255 | - |
| Kursk nuclear power plant 2-4 | Russia | Pre-construction | 1,255 | 2034 |
| Nizhny Novgorod nuclear power plant 1 | Russia | Announced | 1,255 | 2030 |
| Nizhny Novgorod nuclear power plant 2 | Russia | Announced | 1,255 | 2030 |
| Nizhny Novgorod nuclear power plant 3 | Russia | Cancelled (inferred) | 1,255 | - |
| Nizhny Novgorod nuclear power plant 4 | Russia | Cancelled (inferred) | 1,255 | - |
| Seversk nuclear power plant Original 1 | Russia | Cancelled | 1,200 | - |
| Smolensk nuclear power plant 2-1 | Russia | Pre-construction | 1,250 | 2033 |
| Smolensk nuclear power plant 2-2 | Russia | Pre-construction | 1,250 | 2033 |
| Smolensk nuclear power plant 2-3 | Russia | Cancelled (inferred) | 1,250 | - |
| Smolensk nuclear power plant 2-4 | Russia | Cancelled (inferred) | 1,250 | - |
| Tatar nuclear power plant 1 | Russia | Cancelled (inferred) | 1,250 | - |
| Tatar nuclear power plant 2 | Russia | Cancelled (inferred) | 1,255 | - |
Sources
- VVER-TOI, 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