Energy is the secondary resource in Starfront: Collision. A worker can construct an extraction structure on an Energy Nexus to harvest this resource. Energy cannot be spent without Xenodium.
Energy is necessary for the construction of advanced units, structures and researches.
Energy can be harvested from Energy Nexuses by building energy-harvesting buildings like Tokomaks or Bloats.
Click here to find out more about nodes and Energy Nexuses/Nodes.