Illinois · EIA utility 17710 · Energy supplier
Spark Energy, LP electricity rates in Illinois, 2025
Spark Energy, LP’s 12,842 residential customers paid an average of 19.60¢ per kWh in 2025, 11% above the Illinois average of 17.67¢. The typical home used 549 kWh a month, for an average bill of $108.
- 19.60¢avg ¢/kWh (2025)+0.40¢ (+2.1%) vs 2024
- $108Avg monthly billIllinois: $127
- 549 kWhAvg monthly useIllinois: 716 kWh
- 12,842Residential customersEnergy supplier
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 12,842 | 84,644 | $16,589,000 | 19.60¢ | 19.20¢ | +0.40¢ (+2.1%) |
| Commercial | 410 | 3,890 | $735,000 | 18.89¢ | 18.53¢ | +0.36¢ (+1.9%) |
| Industrial | 0 | 0 | $0 | n/a | n/a | n/a |
| All sectors | 13,252 | 88,534 | $17,324,000 | 19.57¢ | 19.17¢ | +0.40¢ (+2.1%) |
How Spark Energy, LP 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, Spark Energy, LP ranks 37 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 2.1%; the state average rose 11.3%.
- Spark Energy, LP 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 |
|---|---|---|---|
| IDT Energy, Inc. | 15.27¢ | $86 | 26,086 |
| Alpha Gas and Electric, LLC | 15.85¢ | $77 | 1,353 |
| North American Power and Gas, LLC | 16.03¢ | $95 | 1,336 |
| Residents Energy, LLC | 16.36¢ | $94 | 19,768 |
| RPA Energy, Inc. | 17.97¢ | $86 | 3,968 |
| Clearview Electric Inc. | 18.93¢ | $118 | 4,880 |
| Major Energy Electric Services | 21.18¢ | $105 | 1,993 |
| Palmco Power IL, LLC | 23.83¢ | $116 | 10,383 |
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.