Whatever it costs. Billions Millions Thousands Nothing. Let nature take its course. From our slightly nerdy looking tour guide with his well rehearsed speech to the arrays of security cameras and fresh coats of institutional green paint, everything about Pilgrim had a tight, professional, all-business feeling. To illustrate his point he produced a child's pinwheel from his back pocket.
Power plants work pretty much the same way.
Now, there're a lotta ways I can get this thing to spin. I could use wind, moving water, or steam. Steam is the most popular method because it can be created anywhere you have a source of fuel and water. That's why most of the world's power plants rely on steam to spin the turbines. Pilgrim's power source comes from fission.