Duke Energy Indiana, LLC Electricity Rates and Average Bill (Indiana)
Data through May 2026 (the latest month EIA has published) · Updated August 14, 2026
As of May 2026, Duke Energy Indiana, LLC's residential customers in Indiana paid an average effective rate of 17.82¢/kWh with an average monthly bill of $128.15, per EIA Form 861-M data. That rate is 0.3¢ below the Indiana average of 18.15¢/kWh; the U.S. average is 18.44¢/kWh.
Rate trend vs the Indiana average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| June 2025 | 15.06 | 151.99 | 1009 |
| July 2025 | 14.06 | 175.10 | 1245 |
| August 2025 | 14.88 | 163.40 | 1098 |
| September 2025 | 17.15 | 147.51 | 860 |
| October 2025 | 16.23 | 118.49 | 730 |
| November 2025 | 16.43 | 139.61 | 850 |
| December 2025 | 14.01 | 176.04 | 1256 |
| January 2026 | 14.51 | 194.54 | 1341 |
| February 2026 | 15.07 | 173.54 | 1151 |
| March 2026 | 17.48 | 144.16 | 824 |
| April 2026 | 17.63 | 124.12 | 704 |
| May 2026 | 17.82 | 128.15 | 719 |
Duke Energy Indiana, LLC vs Indiana vs the U.S.
| Duke Energy Indiana, LLC | Indiana | U.S. average | |
|---|---|---|---|
| Rate (May 2026) | 17.82¢/kWh | 18.15¢/kWh | 18.44¢/kWh |
| Average monthly bill | $128.15 | $129.43 | $135.70 |
| Average monthly usage | 719 kWh | 713 kWh | 736 kWh |
| Rate change, 1 year | +9.0% | +7.4% | +6.2% |
Estimate a bill at Duke Energy Indiana, LLC rates
Worked example: 1,000 kWh at Duke Energy Indiana, LLC's average effective rate of 17.82¢/kWh is about $178.20. The utility's actual average usage is 719 kWh/month, which produces the $128.15 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Indiana 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.