According to researchers at a demonstration reactor in Japan, a fusion generator should be feasible in the 2030s and no later than the 2050s. Japan is pursuing its own research program with several operational facilities that are exploring several fusion paths.
Also, they are already planning the successor to ITER, a commercial plant called DEMO
Even the USA/Russians could not come to an agreement to build such a project.
"We're only 30 years away? Bah, what's the rush?"