This is not hard.
Will it be hooked to a solar panel or a windmill?
I chuckled in my imagination seeing him struggling with the electrodes putting out about 200 volts with about 1 or 2 amps. It might take an hour or more to finally cook him. I suppose you could squirt him with a water hose to draw more amps.
“Send him to old sparky!”
But Nazis used electricity.