Mutsu
Mutsu is a nuclear-powered cargo ship operated by Japan, powered by Integral PWR of about 36 MWt. Retired.
Dogged by technical and political problems from the start, it suffered a radiation leak on its first voyage and was refused entry to its home port. An expensive failure.
Propulsion
| Reactor | Integral PWR |
|---|---|
| Reactors per vessel | 1 |
| Thermal output | 36MWt |
| Fuel enrichment | not disclosed |
| Refuelling | not disclosed |
Vessel
| Category | cargo ship |
|---|---|
| Role | civil |
| Operator | Japan |
| Country | Japan |
| Vessels in class | 1 |
| In service from | 1970 |
| Status | Retired |
Other cargo ships
| Class | Enrichment | Status |
|---|---|---|
| NS Savannah | LEU | Retired |
| NS Sevmorput | - | Operating |
| Otto Hahn | - | Retired |
Sources
- World Nuclear Association, Nuclear-Powered Ships · retrieved 2026-09-07
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data