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The large majority of the Empire's naval warships are powered by nuclear power. The Republic first evaluated nuclear power on warships in the 1940s and the first nuclear powered vessels in the Republican Navy were nuclear ballistic missile submarines, namely the Nautilus class. Since then, shipborne nuclear reactors have advanced to be small, highly efficient, and capable of lasting some time. In the 1980s, the Empire adopted a new designation system for these powerplants as SNR.
| Designation |
Series |
Type |
Output |
Efficiency |
Fuel |
Fuel Life |
In-Service |
| SNR-1 |
8 |
PWR |
50 MW |
35% |
Uranium-235 |
25 Years |
Yes |
| SNR-2 |
8 |
PWR |
80 MW |
35% |
Uranium-235 |
25 Years |
Yes |
| SNR-3 |
8 |
PWR |
155 MW |
35% |
Uranium-235 |
25 Years |
Yes |
| SNR-4 |
9 |
PWR |
45 MW |
37.5% |
Uranium-235 |
33 Years |
Yes |
| SNR-5 |
9 |
PWR |
40 MW |
37.5% |
Uranium-235 |
33 Years |
Yes |
| SNR-6 |
8 |
PWR |
135 MW |
35% |
Uranium-235 |
25 Years |
Yes |
| SNR-7 |
10 |
APWR |
60 MW |
40% |
Thorium-232 |
35 Years |
Yes |
| SNR-8 |
10 |
APWR |
265 MW |
40% |
Thorium-232 |
35 Years |
Yes |
| SNR-9 |
10 |
APWR |
75 MW |
40% |
Thorium-232 |
35 Years |
Yes |
| SNR-10 |
10 |
APWR |
150 MW |
40% |
Thorium-232 |
35 Years |
Yes |
| SNR-11 |
11 |
APWR |
210 MW |
42% |
Thorium-232 |
40 Years |
Yes |
| SNR-12 |
11 |
APWR |
165 MW |
42% |
Thorium-232 |
40 Years |
Yes |
| SNR-13 |
11 |
APWR |
125 MW |
42% |
Thorium-232 |
40 Years |
Yes |
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