Did Trump say “Electricity” at Chillicothe, Ohio?

Yes. Said at 7:56:59 PM ET, flagged live 0.49 seconds after the word.

“Drones that they make you're having a hard time because they can't get electricity anymore but”

From Saidwire’s live log of Trump rally · Chillicothe, Ohio. All 6 words said at this event.