[jrumbut]

Just as a note, "working as intended" does not include actually generating electricity.

They just verified that the machine generates the magnetic field that the designers intended.

That's great, worth reading about for sure, but it is not "really works" in the sense of it's about to power Berlin.

[SAI_Peregrinus]

Well, W7X isn't capable of producing power. Even if it can sustain fusion it's a research reactor, it doesn't have any generator infrastructure.