WordNet (r) 3.0 (2006):

electric power
    n 1: the product of voltage and current [syn: electrical
         power, electric power, wattage]

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "electric power":
   atomic power, electric horsepower, electropower, horsepower,
   hydraulic power, hydroelectric power, hydroelectricity, impulse,
   jet power, manpower, nuclear power, piston power, power load,
   propulsion, rocket power, solar power, steam power,
   thermonuclear power, thrust, water power, wattage, watts