The reality is that France is the only country in Europe who converts most of it's energy through nuclear. So in that reality it's definitely an advantage to be

The reality is that France is the only country in Europe who converts most of it's energy through nuclear. So in that reality it's definitely an advantage to be a net exporter. This advantage becomes even more pronounced as other countries switch to non-continuous power sources such as wind and solar. Those sources have production drops around the same times (at nights and cloudy days with little wind), where France can charge a nice premium to produce nuclear for them. "and storage to meet" --> There is currently no economically viable way to store electric energy from "sustainable" non-continuous sources at a large scale. If there was, we wouldn't be having this discussion right now.