Technology · Nuclear energy and propulsion
Maritime Nuclear Propulsion and Floating Reactors
Shipboard reactors that propel submarines, carriers and commercial vessels, and barge- or ship-mounted reactors that supply power from the sea.
Inputs
0
0 high or critical
Maturity
Fielded
Field-wide rating
Sources
0
Behind these records
Who Builds It8
Fielded5
Limited fielding0
- —
Prototype0
- —
Development2
Research0
- —
Concept1
- Babcock InternationalSupplier · GBThrough-life support, refit and refuelling of Royal Navy nuclear submarines at Devonport and HMNB Clyde.Fielded
- BWX TechnologiesSupplier · USThrough BWXT Nuclear Operations Group: naval reactors, heavy components and fuel for all US nuclear submarines and aircraft carriers.Fielded
- General Dynamics Electric BoatIntegrator · USDesigns and builds US Navy nuclear-powered submarines (Virginia class with HII; prime on Columbia class).Fielded
- HIIIntegrator · USThrough its Newport News Shipbuilding division: builds and refuels nuclear-powered aircraft carriers and co-builds Virginia- and Columbia-class submarines.Fielded
- Rolls-RoyceSupplierThrough Rolls-Royce Submarines Ltd (Raynesway, Derby): reactor plants and cores for Royal Navy submarines, including PWR3 for Dreadnought and SSN-AUKUS.Fielded
- Bluecore EnergyDeveloper · USDevelopment
- SEATOM TechnologiesDeveloper · FIDevelopment
- Maritime FusionDeveloper · USConcept
Placed by each organization's own maturity for this technology; TRL is self-reported or estimated, see confidence.
Systems5
| Los Angeles-class submarine | General Dynamics Electric Boat | Vessel | Fielded | — |
| Columbia-class submarine | — | Vessel | — | — |
| SEATOM-100 | SEATOM Technologies | Other | — | — |
| Virginia-class submarine Block V | — | Vessel | — | — |
| Yinsen | Maritime Fusion | Other | — | — |