Energy is a type of charge that follows all the standard rules for charges (see Charge). Additionally:
- If an upgrade card has an energy capacity, this increases the energy capacity of the ship. The are placed above the ship card it is attached to (not the upgrade card).
- During the End Phase, each ship with an energy capacity recovers only a number of equal to the recurring charge symbols on its ship card, regardless of the number of recurring charge symbols that appear on its upgrade cards.
- If an upgrade card instructs the ship to spend , that are spent from the ship card.