Looks like you can. It won't place or what? You'll need to power it up, too.
it won't place anywhere. literally anywhere.
I just wanted to follow up with a moronic resolution. after going to ever corner of this area with no way to build it, I then scrapped one metal barrel, even though i already had the 10 steel required to build the beacon, and now it lets me build it.
FUCK THIS SHIT