Cal Abel’s scheme is much better. Nuclear heat is really cheap, so just run the reactor at 100% feeding heat into a solar-salt tank at something like 500°C. Pull hot salt from the tank as required to make steam for a steam turbine; the steam generators have a considerably higher thermal power maximum than the reactor. This lets you (a) decouple the reactor from the instantaneous electric output so it can likely be controlled by the system operator without violating NRC regs, and (b) follow the entire daily load curve without burning fossil fuel. That’s something that Hybrid Power manifestly cannot do.

If you need more than the ST’s rated power or run out of hot salt, you fire up some open-cycle gas turbines and use heat-recovery systems on the GT exhausts to help top up the salt tank.