First U.S. nuclear reactor built from scratch in decades enters commercial operation in Georgia::ATLANTA — A new reactor at a nuclear power plant in Georgia has entered commercial operation, becoming the first new American reactor built from scratch in decades.
Not sure what you’re even trying to say with the first bit. It’s completely irrelevant
No breeder reactor has ever produced enough fuel to run on and extracted it. Breeder programs get as far as half of a proof of concept and then run out of funding on the actually hard part.