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Both ITER is scheduled to be done and SPARC are trying to make net energy in 5 years. They probably won't hit those dates, but we aren't really talking about 20

Both ITER is scheduled to be done and SPARC are trying to make net energy in 5 years. They probably won't hit those dates, but we aren't really talking about 20 years anymore. (I agree with several commenters on this thread that any project with a 20 years to completion timeline should be shelved for things with <10 year timelines).

garmaine 6y ago
Those are research plants, not regulatory approval for commercial designs. We're still at least 20+ years away.
pfdietz 6y ago
ITER won't even start burning DT until 2035 or so (assuming they control disruptions enough to be allowed to introduce tritium.)