This is reminds me of a quote from one of the Encased loading screens.
To paraphrase it "Power generation before was about turning a turbine with steam. Under the Dome we have this fancy technology that we use to.....turn a turbine with steam."
Nearly all power generation comes down to boiling water to steam which spins a turbine.
I can only think of two common exceptions off the top of my head. Solar is an exception and Hydro power is an exception ironically, that usually uses the vertical difference and gravity to spin the turbine.
Nuclear power is the refining distilling and enriching of uranium into unstable isotopes and higher elements, boiling water is one small step in converting nuclear energy into electrical energy.
I heard that somewhere in the US there were parts of a nuclear power plant being delivered by steam train. So that’s basically one steam engine supplying another! (^^,)
I can’t seem to find an article about it anywhere, so it might be an urban legend :(