Smolensk nuclear power plant 2-4
Cancelled (inferred) Russia
Gross capacity
1,250MW
Smolensk nuclear power plant 2-4 is a pressurised water reactor unit at Smolensk nuclear power plant in Russia rated at 1,250 MW gross. It is cancelled (a status Global Energy Monitor inferred from an absence of observed progress).
Specification
| Reactor type | Pressurised water reactor (PWR) |
|---|---|
| Model | VVER-TOI |
| Size class | Large |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 1,250MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | Smolensk nuclear power plant |
|---|---|
| Unit | 2-4 |
| Country | Russia |
| Owner | Rosatom100% |
| Operator | Rosenergoatom |
| Coordinates | 54.2237, 33.1967approximate |
| Cancelled | 2017 |
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utilities do not publish fuel contracts.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.
Other units at Smolensk nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Smolensk nuclear power plant 1-1 | 1,000 | |
| Smolensk nuclear power plant 1-2 | 1,000 | |
| Smolensk nuclear power plant 1-3 | 1,000 | |
| Smolensk nuclear power plant 1-4 | Cancelled | 1,000 |
| Smolensk nuclear power plant 2-1 | Pre-construction | 1,250 |
| Smolensk nuclear power plant 2-2 | Pre-construction | 1,250 |
| Smolensk nuclear power plant 2-3 | Cancelled | 1,250 |
Other VVER-TOI units
17 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| 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 | 1,255 |
| Central/Kostroma nuclear power plant 4 | Russia | Cancelled | 1,255 |
| Kursk nuclear power plant 2-3 | Russia | Under construction | 1,255 |
| Kursk nuclear power plant 2-4 | Russia | Pre-construction | 1,255 |
| Nizhny Novgorod nuclear power plant 1 | Russia | Announced | 1,255 |
| Nizhny Novgorod nuclear power plant 2 | Russia | Announced | 1,255 |
| Nizhny Novgorod nuclear power plant 3 | Russia | Cancelled | 1,255 |
| Nizhny Novgorod nuclear power plant 4 | Russia | Cancelled | 1,255 |
| Seversk nuclear power plant Original 1 | Russia | Cancelled | 1,200 |
| Smolensk nuclear power plant 2-1 | Russia | Pre-construction | 1,250 |
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 2026-07-07
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted