Buildings

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This article is for the PC version of Stellaris only.

Buildings are structures constructed on the surface of a planet. One building may be constructed per tile, either increasing the tile's productivity when it is worked by a population unit or providing some other bonus. They cost minerals to build and energy each month to maintain.

Buildings either augment or replace the existing production of a tile, depending on whether If a building's output is the same as the tile's natural resource, it will increase production of that resource. However, if the natural and artificial output don't match, the building takes precedence and the natural output stops. For example, if a tile produces one mineral and two food, building a Basic Science Lab I on it would cause both productions to end and only the science output from the building will be produced. If a Hydroponics Farm I is constructed on the same tile only the food would remain of the natural production. A Hydroponics Farm I on the aforementioned tile would result in 4 food per month, while a Mining Network I on that tile would result in 3 minerals per month and no food.

Planet-wide and empire-wide effects of buildings occur regardless of whether the tile aligns with the building.

Currently known buildings[1][2][3]

Building Build cost Build time Maintenance cost Effect Description
Basic Hydroponics Farm 30 Minerals 120 days 1 Energy per month
  • +1 Food per month
Hydroponics Farms produce nutrient-rich vegetable matter tailored for consumption by local Pops.
Basic Mine 30 Minerals 120 days 1 Energy per month
  • +1 Mineral per month
Basic Power Plant 30 Minerals 120 days None
  • +2 Energy per month
Basic Science Lab I 60 Minerals 210 days 1 Energy per month
  • +1 Physics research per month
  • +1 Society research per month
  • +1 Engineering research per month
Science Labs provide the basic facilities for general research, and can be Upgraded for more specialized functionalitty.
Beltharian Power Plant I 60 Minerals 210 days 1 Betharian Stone
  • +6 Energy per month
Beltharian Power Plants consume Beltharian Stone to produce vast amounts of Energy Credits.
Beltharian Power Plant II
Engineering Facility I 60 Minerals 210 days 1 Energy per month
  • +1 Physics research per month
  • +1 Society research per month
  • +2 Engineering research per month
Frontier Clinic 150 Minerals 360 days 1 Energy per month
  • +2 Food per month
  • Planet Modifier:
    • +5% Habitability
Planet Unique

Frontier clinics improve the quality of life of colonists on alien worlds.

Hydroponics Farm I 60 Minerals 210 days 1 Energy per month
  • +2 Food per month
Hydroponics Farm II 90 Minerals 90 days 1.5 Energy per month
  • +3 Food per month
Military Academy 120 Minerals 360 days 1 Energy per Month
  • Planet Modifier:
    • Army Build Speed: +25.0%
  • Army Modifier:
    • Army Damage: +10.0%
Planet Unique
Mineral Silo 100 Minerals 210 days 1 Energy per month
  • Empire modifier:
    • +250 mineral storage capacity
Mineral Silos increase our Empire's maximum Mineral storage capacity.
Mineral Silo II
Mineral Processing Plant I
Mining Network I 60 Minerals 210 days 1 Energy per month
  • +2 Minerals per month
Mining Networks extract crucial Minerals from the planet's crust.
Mining Network II
Physics Lab I 60 Minerals 210 days 1 Energy per month
  • +2 Physics research per month
  • +1 Society research per month
  • +1 Engineering research per month
Planetary Administration
  • 350 Minerals
  • 50 Influence
360 days Unknown
  • +3 Minerals per month
  • +3 Food per month
  • Adjacency Effect:
    • +1 Minerals per month
    • +1 Food per month
    • +1 Energy per month
Planet Unique

Basic governmental center to handle various administrative tasks.

Power Hub I 150 Minerals

25 Influence

90 days None
  • +3 Energy per month
  • Planet Modifier:
    • Energy Credits: +10.0%
Planet Unique

Power Hubs produce some Energy Credits on their own, but more importantly increase the overall Energy Credit output of the planet.

Power Plant I 60 Minerals 210 days None
  • +3 Energy per month
Power Plants produce Energy Credits, necessary for maintaining most buildings and ships.
Power Plant II 90 Minerals 90 days None
  • +4 Energy per month
Reassembled Ship Shelter - 180 days -
  • +2 Food per month
Planet Unique

The remains of a Colony Ship, reassembled for planetside form and function.

Robotics Assembly Plant
  1. PC Gamer Weekender - Paradox Interactive presents Stellaris
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  3. Extraterrestrial Thursday #3