Duke Energy Ohio Inc Electricity Rates and Average Bill (Ohio)
Data through August 2026 (the latest month EIA has published) · Updated October 31, 2026
As of August 2026, Duke Energy Ohio Inc's residential customers in Ohio paid an average effective rate of 18.48¢/kWh with an average monthly bill of $191.23, per EIA Form 861-M data. That rate is 0.9¢ below the Ohio average of 19.38¢/kWh; the U.S. average is 18.16¢/kWh.
Rate trend vs the Ohio average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| September 2025 | 18.51 | 150.26 | 812 |
| October 2025 | 17.15 | 97.89 | 571 |
| November 2025 | 17.46 | 140.57 | 805 |
| December 2025 | 15.57 | 177.49 | 1140 |
| January 2026 | 15.79 | 194.76 | 1234 |
| February 2026 | 15.92 | 173.56 | 1090 |
| March 2026 | 17.86 | 133.29 | 746 |
| April 2026 | 18.22 | 117.59 | 645 |
| May 2026 | 18.52 | 139.94 | 755 |
| June 2026 | 18.77 | 175.39 | 935 |
| July 2026 | 18.18 | 202.92 | 1116 |
| August 2026 | 18.48 | 191.23 | 1035 |
Duke Energy Ohio Inc vs Ohio vs the U.S.
| Duke Energy Ohio Inc | Ohio | U.S. average | |
|---|---|---|---|
| Rate (August 2026) | 18.48¢/kWh | 19.38¢/kWh | 18.16¢/kWh |
| Average monthly bill | $191.23 | $199.46 | $209.23 |
| Average monthly usage | 1035 kWh | 1029 kWh | 1152 kWh |
| Rate change, 1 year | −0.3% | +10.4% | +3.4% |
Estimate a bill at Duke Energy Ohio Inc rates
Worked example: 1,000 kWh at Duke Energy Ohio Inc's average effective rate of 18.48¢/kWh is about $184.80. The utility's actual average usage is 1035 kWh/month, which produces the $191.23 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Ohio rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.