- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
The common Federation power-distribution network, abbreviated EPS. Located on the power transfer conduits. Small quantities of drive plasma can be diverted through the taps to generate electricity for use by ship systems.