Electricity in Hamilton County, Indiana

6 electric utilities serve homes in Hamilton County, Indiana: Duke Energy Indiana, AES Indiana, Indiana Michigan Power (Indiana), Boone County Rural EMC, NineStar Connect and City of Frankfort. In 2025, the average home bill of these utilities was $94.24 (City of Frankfort) to $207.63 (NineStar Connect) a month. This page covers 4 cities with 25,000 or more people in the county, from Carmel to Westfield.

  • 4 cities
  • 6 utilities
  • EIA and Census data, 2025

Electric utilities in Hamilton County

EIA lists utilities by county, not by address. Your address has one utility: its name is on your bill, or type your ZIP code in the utility finder.

Electric utilities with 1,000 or more homes in Hamilton County: average home bill in 2025 and 1,000 kWh bill in November 2026
UtilityHomes in IndianaAverage bill 20251,000 kWh now
Duke Energy IndianaInvestor-owned utility · bill calculator 808,572 $148.57992 kWh, 15.0¢ $171.60
AES IndianaInvestor-owned utility 469,634 $138.29941 kWh, 14.7¢ —
Indiana Michigan Power (Indiana)Investor-owned utility · bill calculator 425,007 $146.33853 kWh, 17.2¢ $160.38
Boone County Rural EMCElectric cooperative 19,224 $198.371,255 kWh, 15.8¢ —
NineStar ConnectElectric cooperative 18,751 $207.631,258 kWh, 16.5¢ —
City of FrankfortCity utility 7,857 $94.24830 kWh, 11.3¢ —

The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861). The Indiana average was $149.72 a month.

Cities in Hamilton County

Cities with 25,000 or more people in Hamilton County (2025 estimates) and the solar output of 1 kW of panels
CityPeopleCity-owned utilitySolar kWh a year per kW
Carmel105,634—1,324
Fishers104,812—1,357
Noblesville76,111—1,345
Westfield66,258—1,340

A city-owned utility is a municipal utility in the county with the city's name (EIA data). Solar output: PVWatts version 8 for a south-facing roof; see the solar savings calculator.

Who provides electricity in Hamilton County?

6 electric utilities serve homes in Hamilton County, Indiana: Duke Energy Indiana, AES Indiana, Indiana Michigan Power (Indiana), Boone County Rural EMC, NineStar Connect and City of Frankfort. The name of your utility is on your bill.

Which cities in Hamilton County are on this page?

Carmel, Fishers, Noblesville and Westfield.

Sources: EIA-861 data, 2025 (utilities by county, homes and average bills); Census Bureau city population estimates, Vintage 2025; PVWatts (National Laboratory of the Rockies).