RTG

The RTG, or Radioisotope Thermoelectric Generator, is a Power module in Astroneer. It supplies a steady stream of power and comes installed in the Shelter, however these versions cannot be removed.

Uses
The RTG comes preinstalled on the Shelter, however it is not able to be removed.

Crafted RTGs can be placed on platforms to provide a steady stream of power at all times, making it a great late-game power generator.