Duke Energy Indiana electricity rates
Investor-owned utility · Indiana · RFC region · MISO
Duke Energy Indiana is a for-profit, investor-owned utility regulated by the state utility commission, serving 808,572 homes in Indiana. Its residential customers pay an average of 15.79¢/kWh including fixed and delivery charges, 12% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Duke Energy Indiana bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $78.95 | $98.23 |
| 1,000 kWh | $157.90 | $167.53 |
| 1,500 kWh | $236.85 | $230.47 |
| 2,000 kWh | $315.80 | $293.40 |
*RS - Residential Service (effective 2026-01-01, $13.70/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Duke Energy Indiana residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| RS - Residential Service | 2026-01-01 | $13.70 | 18.94¢ first 300 kWh, 13.86¢ first 1,000 kWh, 12.59¢ after |
| RS - Residential Service TOUtime-of-use | 2026-01-01 | $13.70 | 14.6¢ (4am–5pm, 9pm–12am) · 21.7¢ (5pm–9pm) · 8.8¢ (12am–4am) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Duke Energy Indiana rate history
2015–2025: +36% change in the average residential rate (11.01¢ → 14.98¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Duke Energy Indiana | Indiana avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 267 | 375 | 266 |
| Outages per customer (SAIFI) | 1.26 | 1.39 | 1.34 |
| Average restoration time (CAIDI) | 3 hr 32 min | — | — |
| Outage minutes excluding major storms | 108 | 125 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Duke Energy Indiana's counties, customers averaged 5 hr 19 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Warrick | 2,673 | 109 | 21,665 | 2025-01-06 |
| Brown | 2,165 | 95 | 6,187 | 2025-03-15 |
| Union | 1,685 | 12 | 2,696 | 2025-06-19 |
| Owen | 1,068 | 83 | 6,060 | 2025-06-18 |
| Posey | 977 | 56 | 3,067 | 2025-01-06 |
| Bartholomew | 863 | 64 | 12,903 | 2025-06-19 |
| Pike | 819 | 53 | 1,996 | 2025-11-20 |
| Madison | 786 | 56 | 19,615 | 2025-04-03 |
| Morgan | 538 | 68 | 7,882 | 2025-06-18 |
| Fountain | 531 | 40 | 1,449 | 2025-03-15 |
| Lawrence | 528 | 48 | 5,016 | 2025-03-15 |
| Kosciusko | 520 | 65 | 6,967 | 2025-06-18 |
| Clay | 506 | 43 | 3,015 | 2025-06-18 |
| Rush | 501 | 22 | 5,172 | 2025-03-15 |
| Floyd | 466 | 40 | 13,237 | 2025-04-03 |
| Jefferson | 462 | 67 | 2,548 | 2025-12-16 |
| Greene | 458 | 61 | 5,023 | 2025-05-17 |
| Harrison | 455 | 65 | 2,441 | 2025-03-15 |
| White | 429 | 32 | 3,586 | 2025-05-17 |
| Jennings | 418 | 42 | 3,089 | 2025-04-03 |
| Switzerland | 413 | 23 | 1,426 | 2025-03-20 |
| Marion | 381 | 61 | 66,663 | 2025-06-18 |
| Monroe | 356 | 52 | 12,654 | 2025-06-18 |
| Vermillion | 346 | 26 | 2,762 | 2025-03-15 |
| Jackson | 333 | 22 | 11,902 | 2025-04-03 |
Duke Energy Indiana service area
Duke Energy Indiana serves 71 counties in Indiana and 464 ZIP codes.
Bartholomew, Benton, Boone, Brown, Carroll, Cass, Clark, Clay, Clinton, Crawford, Daviess, Dearborn, Decatur, Delaware, Dubois, Fayette, Floyd, Fountain, Franklin, Fulton, Gibson, Grant, Greene, Hamilton, Hancock, Harrison, Hendricks, Henry, Howard, Huntington, Jackson, Jefferson, Jennings, Johnson, Knox, Kosciusko, Lawrence, Madison, Marion, Martin, Miami, Monroe, Montgomery, Morgan, Ohio, Orange, Owen, Parke, Pike, Posey, Putnam, Randolph, Ripley, Rush, Scott, Shelby, Sullivan, Switzerland, Tippecanoe, Tipton, Union, Vermillion, Vigo, Wabash, Warren, Warrick, Washington, Wayne, Wells, White, Whitley
Cities: Indianapolis, Carmel, Bloomington, Fishers, Lafayette, Muncie, Terre Haute, Noblesville, Kokomo, Greenwood, Anderson, Jeffersonville, Columbus, West Lafayette, Westfield, New Albany, Richmond, Plainfield, Marion, Zionsville, Brownsburg, Franklin, Clarksville, Greenfield, Fairfield Heights, Seymour, Shelbyville, Vincennes, Logansport, New Castle, Huntington, Avon, Frankfort, Crawfordsville, Lebanon, Bedford, Connersville, North Madison, Washington, Madison
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 73 |
| Net-metered solar homes | 4,257 |
| Homes in demand response (e.g. thermostat rebates) | 84,974 |
| Residential efficiency incentives paid (2025) | $3,145,009 |
| Residential energy saved by programs | 77,750 MWh |
Duke Energy Indiana at a glance
| Ownership | Investor-owned utility |
| Services | Generation, Transmission, Distribution, Wholesale Marketing |
| Commercial rate | 12.26¢/kWh |
| Industrial rate | 9.01¢/kWh |
| Retail revenue (2025) | $3,254,415,000 |
| Electricity sold (2025) | 27,498,071 MWh |
| Peak demand | 6,004 MW summer · 5,824 MW winter |
| Power from own generation | 60% (rest purchased) |
| Line losses | 6.0% |
| Balancing authority | MISO |
| EIA utility ID | 15470 |
Other utilities in Indiana
Frequently asked questions
What is Duke Energy Indiana's electricity rate?
Duke Energy Indiana residential customers pay an average of 15.79¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 7% below the Indiana average of 16.94¢ and 12% below the U.S. average.
What is the average Duke Energy Indiana electric bill?
About $157 a month. The average Duke Energy Indiana home uses 992 kWh a month. At 1,000 kWh the bill would be about $158.
How many customers does Duke Energy Indiana have?
Duke Energy Indiana serves 808,572 residential customers and 921,804 customers in total in Indiana, across 71 counties.
How reliable is Duke Energy Indiana?
In 2025, the average Duke Energy Indiana customer was without power for 4 hr 27 min (SAIDI) over 1.26 interruptions (SAIFI), including major storms. Excluding major event days it was 108 min. The Indiana average was 6 hr 15 min and the U.S. average 4 hr 26 min.
Does Duke Energy Indiana offer time-of-use rates?
Yes. The OpenEI rate database lists 1 time-of-use residential plan, including RS - Residential Service TOU. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Duke Energy Indiana offer net metering for solar?
Duke Energy Indiana had 4,257 residential net-metered customers in 2025 with 33.4 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Duke Energy Indiana before making decisions.