wattage

An amount or power (especially electric), expressed in watts, kilowatts etc.countableuncountable

The power requirement of some electric appliance.countableuncountable

A person's energy or abilities.broadlycountableinformal

• Amid the surprise there is obvious, if unspoken, glee at the prospect of taking on one of three such politically low-wattage candidates, two of whom have no direct experience of frontline politics.
• This clear-eyed look back at a highly confused time is captivating because [Robbie] Williams, all nods, winks and twitches, is a ferociously skilled entertainer. Closeup, his star wattage is blinding.