wattage

noun

1. (countable, uncountable)An amount or power (especially electric), expressed in watts, kilowatts etc.
2. (countable, uncountable)The power requirement of some electric appliance.
3. (broadly, countable, informal, uncountable)A person's energy or abilities.

   “[Prince] Andrew, unfortunately, exhibited classic symptoms of what is scientifically recognised as the Dunning-Kruger effect, the cognitive bias in which people come to believe that they are smarter and more capable than they really are. The combination of minimal self-awareness and dim wattage leads sufferers of this condition to overestimate their own capabilities.”

   “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.”