In 2153, Lieutenant Malcolm Reed and Alex tested and increased the power of a phase-pistol to be more effective against a Borg drone. Reed watched the curve while Alex increased the amount of megajoule. (ENT: "Regeneration") A starship can be identified on sensors by its power utilization curve, as a vessel utilizing 100% power has the ability to skew sensor readings. (TOS: "Journey to Babel" )