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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)
ModelBREST-OD-300
Size classLarge
CoolantLiquid sodium or lead
ModeratorNone
Gross capacity320MW
Net capacity (reference)300MW
Net capacity (design)300MW
Thermal output700MWt
Typical enrichment15–20% fissile, or plutonium
Ownership & location
SiteSeversk nuclear power plant
Unit1
CountryRussia
OwnerRosatom100%
OperatorRosenergoatom
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
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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

  1. 8 Jun 2021Construction start
  2. 1 Jan 2028Commercial operation

Other units at Seversk nuclear power plant

UnitStatusGross MW
Seversk nuclear power plant 2 Cancelled 1,255
Seversk nuclear power plant Original 1 Cancelled 1,200

Sources