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City of Naperville - (IL)
City of Naperville - (IL) served 57,225 residential customers in Illinois in 2025 (1.1% of the state's residential customers), the 9th largest of 77 utilities reporting there. Bundled service; ownership: municipal; balancing authority PJM.
The meter, one average month.
Scroll to run 30 days of City of Naperville - (IL)'s average residential use through a five-dial register.
- Used so far
- 769 kWh
- At 14.61¢/kWh
- $112
Price ruler0 to 50¢ per kWh
Where 14.61¢ sits.
City of Naperville - (IL) averaged 14.61¢ per kWh against a Illinois residential average of 17.69¢: 17.4% below the state figure. Among the 7 municipal utilities in Illinois with bundled residential sales, it ranks 7th from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average City of Naperville - (IL) home used 804 kWh a month at 13.42¢ and paid $108. In 2025 it used 769 kWh at 14.61¢ and paid $112: the price per kWh is up 8.9%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 13.42 | 14.61 |
| Use, kWh a month | 804 | 769 |
| Bill, US$ a month | 107.81 | 112.32 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 57,225 | 528,099 | 14.61 |
| Commercial | 6,792 | 602,692 | 11.39 |
| Industrial | 8 | 100,443 | 13.84 |
Who else is on the line
Homes are one class.
Homes took 42.9% of the electricity City of Naperville - (IL) sold in Illinois in 2025.
Rooftop solar on its linesnet metering
1,252 roofs.
- Residential net-metered PV
- 1,252installations reported for 2025
- Capacity
- 11.2 MWresidential, net metered
- Per 1,000 homes
- 21.9installations per 1,000 residential customers
Service territoryEIA-861
2 counties.
DuPageWill
Counties in Illinois where City of Naperville - (IL) reported serving customers in 2025 (2 in all; up to 24 listed).
EIA-8612025Utility 13208
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 14.61 | ¢/kWh |
| Illinois average price | 17.69 | ¢/kWh |
| Difference from state average | -17.4 | % |
| Price change over 5 years | 8.9 | % |
| Typical monthly use | 769 | kWh |
| Typical monthly bill | 112.32 | US$ |
| Residential customers | 57,225 | accounts |
| Share of IL residential customers | 1.1 | % |
| Size rank in IL | 9 of 77 | by customers |
| Price rank, municipal peers | 7 of 7 | 1 = lowest |
Rate plans on fileOpenEI URDB
1 active plans.
- Time-of-use
- 0more than one energy period within a month
- Seasonal only
- 0price changes by month, not by hour
- Median fixed charge
- $16US dollars per month
- Median flat energy rate
- 10.63¢cents per kWh, one period and one tier
Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.