Seversk nuclear power plant 1
Under construction Russia
Gross capacity
320MW
Seversk nuclear power plant 1 is a fast reactor unit at Seversk nuclear power plant in Russia rated at 320 MW gross. It is under construction. Commercial operation began 1 Jan 2028.
Specification
| Reactor type | Fast reactor (FBR) |
|---|---|
| Model | BREST-OD-300 |
| Size | Largeabove 300 MWe |
| Coolant | Liquid sodium or lead |
| Moderator | None |
| Gross capacity | 320MW |
| Net capacity (reference) | 300MW |
| Net capacity (design) | 300MW |
| Thermal output | 700MWt |
| NSSS vendor | not on record |
| Typical enrichment | 15–20% fissile, or plutonium |
Ownership & location
| Site | Seversk nuclear power plant |
|---|---|
| Unit | 1 |
| Country | Russia |
| Owner | Rosatom100% |
| Operator | Rosenergoatom |
| Coordinates | 56.6583, 84.9482 |
Fuel chain for this unit
Fuel form
Mixed oxide or metallic fuel
Enrichment
15–20% fissile, or plutonium
Who makes this assembly
- TVEL Fuel Company Fast reactor fuel, including MOX
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utilities do not publish fuel contracts.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.
Timeline
- 8 Jun 2021Construction start
- 1 Jan 2028Commercial operation
Other units at Seversk nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Seversk nuclear power plant 2 | Cancelled | 1,255 |
| Seversk nuclear power plant Original 1 | Cancelled | 1,200 |
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
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data