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elchololoco wrote

It's a negative number. Fusion reactors run at a loss.

Or did you mean the completely hypothetical reactors that have been "just 20 years away, guys!" for the past 50 years? The ones that require a functioning high-technological industrial base to construct? Hard to say on that one, but at the rate we're going, I don't think we're gonna make it.

In summary, fusion power ain't gonna save us. If we'd started 40 years ago and put Manhattan Project levels of effort into it (instead of trying to kill each other), then maybe we'd have had a chance, but not as we currently stand. Try again.