An economic unit is a unit that affects the economy. They can generate mass or energy, or they can increase storage of mass or energy. All units that generate a resource also provides some storage of that resource. There are 6 types of structures whose sole function is their economic uses:

  • Power generators
  • Mass extractors
  • Hydrocarbon power generators
  • Mass fabricators
  • Mass storage
  • Energy storage

These buildings also provide various adjacency bonuses.

In addition, ACUs and SCUs generate and store both mass and energy.

For a complete list of economic units, see the economic units category.

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