Starship phasers
Starship phasers are the primary weapons used by the Starfleet of the United Federation of Planets. The use the same operating principles as hand-phasers, but they are much more powerful
Firepower
This is a stub that needs to be updated.
Firepower Examples
TNG "Who Watches the Watchers"
4.2 GW of power will supply a small phaser bank.
TNG "Best of Both Worlds, Pt 1"
The power output of the Enterprise's weapons is far less than the potential output of its main deflector dish.
TNG "Night Terrors"
A deflector dish blast releases less energy than the exothermic chemical reaction of hydrogen and another exotic compound.
TNG "A Matter of Time"
A high-power burst from the phasers can be difficult to control to within a 0.06 TW (60 GW) tolerance, indicating that TW-range output is possible but control is limited at such high power levels.
A chemical explosion of low-density metryon gas is more effective as a weapon than the Enterprise-E's phasers and quantum torpedoes. Prior loss of the warp core probably affects phaser power, but should have no effect on torpedo power.
ST:TNG Technical Manual (not a canon source)
The power output of the Enterprise's phaser arrays is 1.02 GW.
Range
The range of starship phasers is difficult to determine, largely because examples tend to be contradictory. When seen on screen, hostile ships invariably close to within a few kilometers of each other before exchanging phaser fire, but dialogue often suggests far greater ranges.