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Illinois · EIA utility 61367 · Energy supplier

South Bay Energy Corp. electricity rates in Illinois, 2025

South Bay Energy Corp.’s 84 residential customers paid an average of 15.53¢ per kWh in 2025, 12% below the Illinois average of 17.67¢. The typical home used 441 kWh a month, for an average bill of $69.

  • 15.53¢avg ¢/kWh (2025)+2.69¢ (+21.0%) vs 2024
  • $69Avg monthly billIllinois: $127
  • 441 kWhAvg monthly useIllinois: 716 kWh
  • 84Residential customersEnergy supplier

Estimate your monthly electric bill

Rate defaults to South Bay Energy Corp.’s 2025 average. Results update as you type and stay in your browser.

Your bill shows kWh used. Default: the average here, 441 kWh.

Default: South Bay Energy Corp. average, 2025. Use the all-in rate from your bill (total ÷ kWh) for the closest estimate.

Estimated bill at your rate$68/month
The same usage at each average rate
Rate¢/kWhMonthly billYearly
South Bay Energy Corp. average, 202515.53¢$68$822
Illinois average, 202517.67¢$78$935
Illinois, August 2026 (preliminary)19.32¢$85$1,022
U.S. average, 202517.23¢$76$912
South Bay Energy Corp. sales to Illinois customers, 2025
SectorCustomersSales (MWh)Revenue¢/kWh 2025¢/kWh 2024Change
Residential84445$69,10015.53¢12.84¢+2.69¢ (+21.0%)
Commercial621,247$191,60015.36¢12.30¢+3.06¢ (+24.9%)
Industrial00$0n/an/an/a
All sectors1461,692$260,70015.41¢12.43¢+2.98¢ (+24.0%)

How South Bay Energy 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.
  • 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 21.0%; the state average rose 11.3%.
  • South Bay Energy Corp. is a retail energy provider that sells electricity supply in a state with retail choice. Balancing authority: PJM.

Illinois energy suppliers with similar rates

Closest average residential prices in Illinois, 2025
Provider¢/kWhAvg billCustomers
Nordic Energy Services, LLC13.97¢$7315,715
Eligo Energy, LLC13.99¢$1043,452
Inspire Energy Holdings, LLC14.30¢$906,330
Vista Energy Marketing, L.P.14.96¢$9216,763
IDT Energy, Inc.15.27¢$8626,086
Alpha Gas and Electric, LLC15.85¢$771,353
North American Power and Gas, LLC16.03¢$951,336
Residents Energy, LLC16.36¢$9419,768

Sources

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.

All Illinois electricity providers · How we compute rates