SM-1A nuclear power plant
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) |
|---|---|
| Model | not disclosed |
| Size | Very small20 MWe or less |
| Coolant | Light water |
| Moderator | Light water |
| Gross capacity | 2MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | 20MWt |
| NSSS vendor | not on record |
| Typical enrichment | 3–5% U-235 |
Ownership & location
| Site | SM-1A nuclear power plant |
|---|---|
| Unit | not stated |
| Country | United States |
| Owner | US Department of Defense100% |
| Operator | United 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
- China National Nuclear Corporation PWR fuel assemblies
- ENUSA Industrias Avanzadas PWR and BWR fuel assemblies
- Framatome PWR fuel assemblies
- KEPCO Nuclear Fuel PWR fuel assemblies
- Mitsubishi Heavy Industries PWR fuel assemblies
- Westinghouse Electric Company PWR fuel assemblies
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utilities do not publish fuel contracts.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 Jan 1958Construction start
- 13 Mar 1962First criticality
- 1 Jan 1962Commercial operation
- 1 Jan 1972Permanent shutdown
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 2024-05-29
- 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