A lot of them will expire in 2040. And it will be time to build new reactors. But the political will won't be there.
I think reality is starting to leak in to the minds of Leftist politicians.
Gavin Newsom recently had to change his mind about nuclear power in California.
https://www.theguardian.com/us-news/2022/sep/01/california-last-nuclear-power-plant-keep-open
The thing that really bothers me most about the state of Nuclear Power in this country is that the people that really knew about nuclear power are dead, retired or about to retire.
Their wisdom and experience is being lost because so little construction has occurred in the last 30 years.