US firm validates 1.1-GW nuclear fusion plant design to deliver 400 MW electricity
(interestingengineering.com)
Fusion power is still basically TRL 3 and every time it looks like they might be going to move up a level everyone loses their damn minds. It's not really possible to put a timeline on any of this because the technology doesn't exist yet and we can't simulate in computers what we've never seen before, not with any degree of accuracy.