Beside the obvious - building Outposts and Colony-ships, what other options are there to expand the borders?


There are a number of technologies you can research that increase the size of the borders around your outposts and colony ships, including

  • Galactic Ambitions

  • Manifest Destiny

  • Propaganda Transmissions (Repeatable)

The Stellaris Wiki entry on borders also says that:

Border spread appears to work volumetrically. That is, as the empire becomes more dense and grows, its borders also appear to spill outward. Removing colonies or frontier outposts from within the empire's well-established borders may affect the outer border unpredictably.

So building additional colonies and outposts in your empire's interior can increase your borders at the fringes.

If you're expanding your empire via frontier outposts, it's worth noting that

Outposts controlled by sectors do not cost Influence to maintain.

  • "Outposts controlled by sectors do not cost Influence to maintain." - That's GREAT to know!!
    – ShloEmi
    May 27 '16 at 7:34
  • Unfortunately, when you create an outpost and an observation station, and hand over this outpost to a sector, you can't control the setting of the station anymore (it seems the sector never changes it, though). May 30 '16 at 17:50
  • @GuntramBlohm That's true. You can take the system back out of the sector to change the setting, which costs some influence. Less than you've saved by not maintaining the observation post. I can confirm that the observation post will finish if you've put it on either advancement or infiltration, even when not under your control.
    – DCShannon
    May 30 '16 at 21:33
  • "Outposts controlled by sectors do not cost Influence to maintain." - that appears not to be true anymore.
    – Monsignor
    Oct 5 '17 at 6:28

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