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Revision as of 11:16, 9 April 2016 by Ben Kerman (talk | contribs) (Updated)
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Please help with verifying or updating older sections of this article. At least some were last verified for version Pre-release.

This article is for the PC version of Stellaris only.

A Spaceport is a large space station that serves as the primary defense of inhabited planets as well as those planets' orbital construction facility. It can construct ships and modules which upgrade the spaceport itself. Spaceports can be upgraded in order to allow construction of larger ships and additional spaceport modules. A newly built spaceport has two modules slots, one of which is taken up by its defense system. Each additional level unlocks another module slot to a maximum of seven at level five. Each spaceport level also increases its damage and defensive capabilities.


Modules are unlocked through research, apparently often from rare technologies. Some are also limited to empires with certain ethics. Modules have a wide variety of effects. For example defense, economical benefit or ship support. Certain modules are needed to exploit strategic resources.

This list is based on incomplete information and may be inaccurate.

Module Cost Time Maintenance Effects Required Technology
Corvette Assembly Yards[1] Minerals.png 100 270 Energy.png 1
  • Spaceport Modifier
    • Corvette Build Speed: +25.0%
    • Corvette Build Cost: -10.0%
Destroyers or Improved Spaceport
Crew Quarters[2] Minerals.png 80 180 None
  • Orbit Modifier
    • Ship Upkeep: -20.0%
Destroyer Assembly Yards[1] Minerals.png 300 360 Energy.png 1
  • Spaceport Modifier
    • Destroyer Build Speed: +25.0%
    • Destroyer Build Cost: -10.0%
Destroyers or Improved Spaceport
Engineering Bay[2] Minerals.png 80 180 Energy.png 1
  • Engineering Research: Engineering research 4
  • Orbit Modifier
    • Ship Repair Speed: +25.0%
    • Ship Repair Cost: -25.0%
  • Ship Modifier
    • Ship Upkeep: -10.0%
Fighter Squadron[3]
Garanthium Forge[4] Minerals.png 300 365 Energy.png 3
gar 1
  • Ship Modifier:
    • Armor: +25.0%
Garanthium Mining
Observatory[1] Minerals.png 100 180 Energy.png 1
  • Planet Modifier
    • Planet Sensor Range: +50.0%
    • Physics Output: +10.0%
    • Society Output: +10.0%
    • Engineering Output: +10.0%
Orbital Sensor Arrays
Orbital Hydroponic Farms[1][5] Minerals.png 100 180 Energy.png 1
  • Planet Modifier
    • Planet Food.png Food: +3
Orbital Hydroponics
Reinforced Hull Structure[3]
Solar Panel Network[6] Minerals.png 75 180 None
  • Planet Modifier
    • Planet Energy.png Energy: +3
Orbital Energy Conversion