the most power usage machine in this game ?

[Hellatze]

i think assembler. but when robot came, they suck a lot more. and then mass production from electric furnace.

[quinor]

In the endgame, beacons or lasers.

[DaveMcW]

refinery.jpg (286.15 KiB) Viewed 2501 times

[Aeternus]

Singular structure? Probably the rocket launch pad. Beaconized too since it's so large that you can put more beacons around it. I've got one at 85MW while it's building a rocket. Takes only seconds to do so though.