| Table 1: GT-MHR nominal power operating parameters | |
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| Reactor power (MWt) | 600 |
| Core inlet/outlet temperatures ( 0C) | 491/850 |
| Core inlet/outlet pressures (MPa) | 7.07/7.02 |
| Helium mass flow rate (kg/s) | 320 |
| Turbine inlet/outlet temperatures (celcius) | 848/511 |
| Turbine inlet/outlet pressures (MPa) | 7.01/2.64 |
| Recuperator hot side inlet/outlet temperatures ( 0C) | 511/125 |
| Recuperator cold side inlet/outlet temperatures ( 0C) | 105/491 |
| Net electrical output (MWe) | 284 |
| Net plant efficiency (%) | 47 |
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