How many watts of electric power can an electric eel produce? This is hard. I know exactly how much wattage is required of many household things. But like so many of the cars we drive, for example, will tell us exactly how many kilowatts of energy it takes. It must be enough to damage a enemy fish. That's all I know. So I'm going to guess a ridiculous 10,000 watts. Good luck figuring out who's closest. We might be very far from the end.