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nuclear•chain

SM-1A nuclear power plant

Retired United States
Gross capacity
2MW

SM-1A nuclear power plant is a pressurised water reactor unit at SM-1A nuclear power plant in United States rated at 2 MW gross. It is retired. Commercial operation began 1 Jan 1962.

Specification
Reactor type Pressurised water reactor (PWR)
Modelnot disclosed
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity2MW
Net capacity (reference)not disclosed
Net capacity (design)not disclosed
Thermal output20MWt
Typical enrichment3–5% U-235
Ownership & location
SiteSM-1A nuclear power plant
Unitnot stated
CountryUnited States
OwnerUS Department of Defense100%
OperatorUnited States Army
Coordinates 63.9738, -145.7178
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
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.

RosatomUrencoCNNCOrano
Conversion
CamecoCNNCConverDynOranoRosatom
Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 1 Jan 1958Construction start
  2. 13 Mar 1962First criticality
  3. 1 Jan 1962Commercial operation
  4. 1 Jan 1972Permanent shutdown

Sources