I'll note that powerplant steam turbines are often pretty cutting edge & supported by essentially a special plant to achieve this levels of efficiency and relia

I'll note that powerplant steam turbines are often pretty cutting edge & supported by essentially a special plant to achieve this levels of efficiency and reliability. Stuff like hydrogen cooling the generator bit: https://en.wikipedia.org/wiki/Hydrogen-cooled_turbo_generator https://en.wikipedia.org/wiki/Hydrogen-cooled_turbo_generato...