Then they'll attempt to put more nuclear plants in, then gas will plummet again and they'll abandon those plans and then gas will skyrocket and they'll make new plans and then gas will drop and
We have the technological capability to build perfectly safe, high-performance reactors that spit out low-risk waste products (or no waste products) for far less than the cost of any current/planned project.
What we don't have is politicians with the balls to push through the political minefield that come with it.