Skip to content
nuclearchain

Monju nuclear power plant

Retired Japan
Gross capacity
280MW

Monju nuclear power plant is a fast reactor unit at Monju nuclear power plant in Japan rated at 280 MW gross. It is retired. Commercial operation began 1 Jan 1995.

Specification
Reactor type Fast reactor (FBR)
Modelnot disclosed
Size classLarge
CoolantLiquid sodium or lead
ModeratorNone
Gross capacity280MW
Net capacity (reference)246MW
Net capacity (design)246MW
Thermal output714MWt
Typical enrichment15–20% fissile, or plutonium
Ownership & location
SiteMonju nuclear power plant
Unitnot stated
CountryJapan
OwnerJapan Atomic Energy Agency100%
OperatorJapan Atomic Energy Agency
Coordinates 35.7400, 135.9878
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 10 May 1986Construction start
  2. 5 Apr 1994First criticality
  3. 29 Aug 1995Grid connection
  4. 1 Jan 1995Commercial operation
  5. 1 Jan 2017Permanent shutdown

Sources