Cincinnati: Ohio's average bill up 13.9% in 1 year.
Duke Energy Ohio sets Cincinnati's default supply rate. It rose 2.3% from Oct 2025 to Sept 2026 and resets November 1, 2026. Delivery charges stay with Duke Energy Ohio and are not locked.
$100.64 to $115.35 all-Ohio average monthly residential bill, as reported by the Cincinnati Enquirer, July 13, 2026 Cincinnati Enquirer
2.3%: Duke Energy Ohio default supply rate (price to compare), Oct 2025 (10.45¢) vs. Sept 2026 (10.69¢). Fixed supply rate only. Utility delivery charges are separate and not locked. Ohio Energy Guide
