Illinois · EIA utility 13374 · Energy supplier
Constellation NewEnergy, Inc electricity rates in Illinois, 2025
Constellation NewEnergy, Inc’s 125,423 residential customers paid an average of 9.45¢ per kWh in 2025, 47% below the Illinois average of 17.67¢. The typical home used 687 kWh a month, for an average bill of $65.
- 9.45¢avg ¢/kWh (2025)−0.61¢ (-6.0%) vs 2024
- $65Avg monthly billIllinois: $127
- 687 kWhAvg monthly useIllinois: 716 kWh
- 125,423Residential customersEnergy supplier
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 125,423 | 1,034,608 | $97,720,600 | 9.45¢ | 10.05¢ | −0.61¢ (-6.0%) |
| Commercial | 68,544 | 20,291,535 | $1,361,955,300 | 6.71¢ | 5.67¢ | +1.05¢ (+18.5%) |
| Industrial | 577 | 1,786,945 | $119,263,900 | 6.67¢ | 5.57¢ | +1.10¢ (+19.8%) |
| All sectors | 194,544 | 23,113,088 | $1,578,939,800 | 6.83¢ | 6.04¢ | +0.79¢ (+13.1%) |
How Constellation NewEnergy, Inc 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, Constellation NewEnergy, Inc ranks 6 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 fell 6.0%; the state average rose 11.3%.
- Constellation NewEnergy, Inc is a retail energy provider that sells electricity supply in a state with retail choice. Balancing authority: PJM.
Illinois energy suppliers with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| MC Squared Energy Services, LLC | 8.14¢ | $65 | 263,681 |
| ResCom Energy, LLC | 8.80¢ | $45 | 4,575 |
| Think Energy, LLC | 8.81¢ | $60 | 4,371 |
| AEP Energy | 9.89¢ | $76 | 1,794 |
| Energy Harbor Corp. | 9.95¢ | $77 | 11,072 |
| 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 |
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.