Central/Kostroma nuclear power plant 1
Cancelled Russia
Gross capacity
1,250MW
Central/Kostroma nuclear power plant 1 is a pressurised water reactor unit at Central/Kostroma nuclear power plant in Russia rated at 1,250 MW gross. It is cancelled.
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 | Central/Kostroma nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Russia |
| Owner | Rosatom100% |
| Operator | Rosenergoatom |
| Coordinates | 58.5138, 41.5011approximate |
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utilities do not publish fuel contracts.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 Central/Kostroma nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Central/Kostroma nuclear power plant 2 | Cancelled | 1,250 |
| Central/Kostroma nuclear power plant 3 | Cancelled | 1,255 |
| Central/Kostroma nuclear power plant 4 | Cancelled | 1,255 |
Other VVER-TOI units
17 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| 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 |
| Smolensk nuclear power plant 2-2 | 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 2026-07-02
- GEM.wiki entry (further reading) — CC BY-SA 4.0 — linked, not quoted