Arihant class
Fuel enrichment
40% U-235
HEU
Arihant class is a nuclear-powered submarine operated by Indian Navy, powered by Indian PWR of about 83 MWt. Operating.
India's indigenous ballistic missile submarine, launched 2009 and commissioned 2016. Thirteen fuel assemblies of 348 rods each, at 40% enrichment, another point on the spectrum between the French and American approaches.
Propulsion
| Reactor | Indian PWR |
|---|---|
| Reactors per vessel | 1 |
| Thermal output | 83MWt |
| Fuel enrichment | 40% U-235HEU |
| Refuelling | not disclosed |
Vessel
| Category | submarine |
|---|---|
| Role | SSBN |
| Operator | Indian Navy |
| Country | India |
| Vessels in class | not stated |
| In service from | 2016 |
| Status | Operating |
Other submarines
| Class | Enrichment | Status |
|---|---|---|
| AUKUS submarines | HEU | Planned |
| Akula class | - | Operating |
| Alfa class | HEU | Retired |
| Astute class | HEU | Operating |
| Borei class | HALEU | Operating |
| Columbia class | HEU | Under construction |
| Dreadnought class | HEU | Under construction |
| Han class (Type 091) | - | Operating |
| Le Triomphant class | LEU | Operating |
| Los Angeles class | HEU | Operating |
| Ohio class | HEU | Operating |
| Oscar II class | - | Operating |
| Seawolf class | HEU | Operating |
| Suffren class (Barracuda) | LEU | Operating |
| Type 093 and 094 (Shang and Jin) | LEU | Operating |
| Typhoon class | - | Retired |
| USS Nautilus | HEU | Retired |
| Vanguard class | - | Operating |
| Virginia class | HEU | Operating |
| Xia class (Type 092) | - | Retired |
| Yasen 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