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nuclear•chain

SM-1 nuclear power plant

Retired United States
Gross capacity
2MW

SM-1 nuclear power plant is a pressurised water reactor unit at SM-1 nuclear power plant in United States rated at 2 MW gross. It is retired. Commercial operation began 1 Jan 1957.

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 outputnot disclosed
Typical enrichment3–5% U-235
Ownership & location
SiteSM-1 nuclear power plant
Unitnot stated
CountryUnited States
OwnerUS Department of Defense100%
OperatorUnited States Army
Coordinates 38.6765, -77.1466
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Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts.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. 5 Oct 1955Construction start
  2. 8 Apr 1957First criticality
  3. 1 Jan 1957Grid connection
  4. 1 Jan 1957Commercial operation
  5. 16 Mar 1973Permanent shutdown

Sources