Lenin
Lenin is a nuclear-powered icebreaker operated by Soviet Union, powered by 2 OK-150, later OK-900 of about 171 MWt each. Retired.
The world's first nuclear-powered surface vessel of any kind, and the first civil nuclear ship. Its original three OK-150 reactors were damaged in 1965-67 and replaced. Decommissioned 1989; now a museum in Murmansk.
Propulsion
| Reactor | OK-150, later OK-900 |
|---|---|
| Reactors per vessel | 2 |
| Thermal output | 171MWt each |
| Fuel enrichment | not disclosed |
| Refuelling | not disclosed |
Vessel
| Category | icebreaker |
|---|---|
| Role | civil |
| Operator | Soviet Union |
| Country | Russia |
| Vessels in class | 1 |
| In service from | 1959 |
| Status | Retired |
Other icebreakers
| Class | Enrichment | Status |
|---|---|---|
| Arktika class | - | Retired |
| Project 10510 Lider | - | Under construction |
| Project 22220 (LK-60) | HALEU | Operating |
| Taymyr class | HALEU | Operating |
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