Independent profile. Kilowatt Atlas is not affiliated with The Illuminating Company, does not use its logo or branding and cannot take payments, start service or look up accounts. Figures come from public federal data for 2025.
Residential customers
678 thousand
677,581 homes
Average price
16.22 cents
Ohio average 16.90
Average bill
$103.09
Per month at 636 kWh
Price rank
13 of 29
Lowest to highest in Ohio
The Illuminating Company rates and average bill
The Illuminating Company reported 137,419 residential customers on bundled service in 2025, using 636 kWh a month on average at 16.22 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 29 Ohio utilities with at least 10,000 bundled residential customers, The Illuminating Company ranks 13 from the lowest price.
| Average | Cents per kWh | kWh per month | Monthly bill |
|---|---|---|---|
| The Illuminating Company | 16.22 | 636 | $103.09 |
| Ohio (all utilities) | 16.90 | 874 | $147.74 |
| United States | 17.23 | 874 | $150.68 |
Another 540,162 residential customers use The Illuminating Company for delivery only and buy their energy from a different supplier. EIA reports their delivery revenue at about 7.71 cents per kWh, or $54.59 a month, which does not include the supply price.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.
Service area
EIA lists the counties where The Illuminating Company has distribution equipment. That covers 9 counties in Ohio. A county can be served by more than one utility, so confirm your address with the utility or your bill.
Ohio (9 counties)
Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, Summit, Trumbull
Not sure who serves your address? Use find my electric company.
Reliability
For 2025, The Illuminating Company reported an average of 136 minutes without power per customer and 1.22 interruptions per customer, with major event days left out. The typical interruption lasted about 112 minutes. For comparison, the median state averaged 127 minutes of outage per customer.
The Illuminating Company sits close to the median state on outage minutes. The Ohio figure across its utilities was 130 minutes. One interruption lasting 112 minutes and 1.22 interruptions a year per customer add up to the 136 minute total.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.
Rate options and rooftop solar
- Time-of-use pricing. The Illuminating Company reports a residential time-of-use pricing program in its 2025 EIA filing, with about 53 residential customers enrolled in dynamic pricing programs of all kinds. Ask the utility which rate schedules you qualify for. How time-of-use rates work.
- Rooftop solar and net metering. EIA shows 3,006 residential net-metered systems on the The Illuminating Company grid in 2025, with 22.3 megawatts of capacity. How net metering works.
Who owns and regulates it
A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. In Ohio, that review is done by the Public Utilities Commission of Ohio.
The Illuminating Company is an investor-owned utility based in Ohio.
The Illuminating Company operates in the PJM power market. Power markets set wholesale costs, but your retail rate is set by the rules described above.
The Illuminating Company compared with Ohio
Ohio has 35 utilities with residential customers in the 2025 EIA data. The Illuminating Company is 4th by size and serves about 13.2% of the state's homes. The Illuminating Company lists distribution equipment in 9 counties, so check your county and your bill before you assume it serves you. 3,006 of its residential customers use net metering, or 4.4 per 1,000 homes, against 6.8 for Ohio as a whole.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Ohio with at least 1,000 residential customers and a reported price.
Other Ohio utilities
| Utility | Type | Homes | Cents per kWh |
|---|---|---|---|
| The Illuminating Company | Investor-owned | 677,581 | 16.22 |
| Ohio Edison | Investor-owned | 961,084 | 16.01 |
| Duke Energy Ohio | Investor-owned | 700,265 | 16.83 |
| AES Ohio (Dayton Power and Light) | Investor-owned | 469,317 | 16.12 |
| The Toledo Edison | Investor-owned | 279,678 | 16.49 |
| South Central Power | Cooperative | 118,458 | 15.39 |
See every one on the electric companies in Ohio page.
Official site and where to get help
Kilowatt Atlas is not The Illuminating Company and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.
- Want to understand a line on your bill? Read how to read your electric bill.
- Think your bill is high? Try the bill checker.
- Ohio allows retail choice in part or all of the state. See the provider guide.
The Illuminating Company questions
What is the average residential electric rate for The Illuminating Company?
The Illuminating Company residential customers on bundled service paid an average of 16.22 cents per kWh in 2025, with average use of 636 kWh a month and an average bill of $103.09 (EIA Form EIA-861). The Ohio average was 16.90 cents.
How many customers does The Illuminating Company have?
EIA reports about 677,581 residential customers for The Illuminating Company in 2025.
Who regulates The Illuminating Company?
A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. See the regulator for Ohio on the Ohio state page.
How reliable is The Illuminating Company?
For 2025, The Illuminating Company reported an average of 136 minutes of outage per customer and 1.22 interruptions per customer, excluding major event days (IEEE 1366). Utilities measure outages in slightly different ways, so compare with care.