Illinois · EIA utility 6458 · Energy supplier
Energy Harbor Corp. electricity rates in Illinois, 2025
Energy Harbor Corp.’s 11,072 residential customers paid an average of 9.95¢ per kWh in 2025, 44% below the Illinois average of 17.67¢. The typical home used 774 kWh a month, for an average bill of $77.
- 9.95¢avg ¢/kWh (2025)+0.98¢ (+10.9%) vs 2024
- $77Avg monthly billIllinois: $127
- 774 kWhAvg monthly useIllinois: 716 kWh
- 11,072Residential customersEnergy supplier
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 11,072 | 102,801 | $10,231,300 | 9.95¢ | 8.97¢ | +0.98¢ (+10.9%) |
| Commercial | 1,408 | 137,516 | $9,328,700 | 6.78¢ | 6.56¢ | +0.22¢ (+3.4%) |
| Industrial | 9 | 702,265 | $52,734,600 | 7.51¢ | 4.25¢ | +3.26¢ (+76.7%) |
| All sectors | 12,489 | 942,582 | $72,294,600 | 7.67¢ | 6.84¢ | +0.83¢ (+12.1%) |
How Energy Harbor Corp. compares
- Illinois residential average, 2025: 17.67¢ per kWh, 716 kWh a month, $127 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 39 energy suppliers in Illinois with at least 1,000 residential customers, Energy Harbor Corp. ranks 8 of 39 from lowest to highest average price.
- Latest monthly figure: Illinois homes paid 19.32¢ per kWh in August 2026 (preliminary), against 18.03¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 10.9%; the state average rose 11.3%.
- Energy Harbor Corp. is a retail energy provider that sells electricity supply in a state with retail choice. Balancing authority: MISO.
Illinois energy suppliers with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| ResCom Energy, LLC | 8.80¢ | $45 | 4,575 |
| Think Energy, LLC | 8.81¢ | $60 | 4,371 |
| Constellation NewEnergy, Inc | 9.45¢ | $65 | 125,423 |
| AEP Energy | 9.89¢ | $76 | 1,794 |
| Great American Power, LLC | 10.30¢ | $60 | 1,528 |
| Homefield Energy | 10.64¢ | $64 | 147,108 |
| Public Power LLC (CT) | 11.08¢ | $82 | 3,377 |
| Ambit Energy Holdings, LLC | 11.38¢ | $81 | 20,500 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.