How City of Naperville compares with the utilities next door
| Utility | 2024 ¢/kWh | Customers | Δ vs City of Naperville, ¢/kWh | $/yr difference |
|---|---|---|---|---|
| City of Naperville (this page) | 12.98 | 56,117 | — | — |
| Commonwealth Edison (ComEd) | 15.22 | 2,922,223 | +2.24 | +$242 |
| City of St Charles | 15.37 | 14,181 | +2.39 | +$258 |
2 bundled utilities (≥5,000 customers) share at least one county with City of Naperville. Positive $/yr = that utility's customers pay more than City of Naperville customers at the same usage. Territories are fixed by address — these gaps measure cost differences between areas, while the supply portion is separately shoppable in Illinois (see below).
Rate trend and size
| Metric | 2023 | 2024 | Change |
|---|---|---|---|
| Average price, ¢/kWh | 12.95 | 12.98 | +0.2% |
| Residential customers | 55,563 | 56,117 | +1.0% |
Ownership: Municipal. Statewide context: Illinois electricity rates.
Supply vs delivery on a City of Naperville bill
Illinois has residential electric supply choice: City of Naperville delivers the power and bills a default supply rate, but you may buy the supply portion from a licensed competitor instead. Compare offers against the price to compare on the state's official shopping site: pluginillinois.org.
Electric choice (ComEd/Ameren; Plug In Illinois publishes price-to-compare). Gas choice in Nicor/Peoples/North Shore territories.
Counties served (IL, EIA-861 2024)
DuPage · Will
Head-to-head comparisons
Questions people ask
- Is City of Naperville more expensive than other Illinois utilities?
- City of Naperville customers paid an average 12.98 cents/kWh in 2024 — 14% below the Illinois volume-weighted average of 15.06 cents (EIA-861, bundled residential service).
- Can I switch away from City of Naperville?
- You cannot switch the wires company — distribution territory is fixed by address. Illinois does allow supply choice, so you can buy the supply portion of the bill from a licensed competitor via pluginillinois.org if its offer beats the price to compare.
- How many customers does City of Naperville have?
- 56,117 residential customers in Illinois in 2024 across 2 counties, per its EIA-861 federal filing. Ownership type: municipal.