Buildings allow you to improve your colony. Each building can be upgraded to a higher level and their effect gets better the higher level it is. Sometimes it might not be a good idea to improve a building even if you can afford it, so plan your progress accordingly.

The general equation for credit, fuel and tech cost as well as score is: base * multiplier ^ level

Ore Refinery

Fuel Refinery


Maturation Chambers

Colony Beacons

Colony Grids