Electricity rates in 62840 — Frankfort Heights, IL
Homes in ZIP 62840 pay about 14.5¢ per kWh (Southeastern IL Elec Coop, Inc., 2024 average). The Illinois average is 19.3¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 14.5¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 62840 is
scroll or pinch to zoomUtilities serving 62840
| Utility | Home price | Avg. bill | Customers in IL |
|---|---|---|---|
| Southeastern IL Elec Coop, Inc. Cooperative | 14.5¢ 2024 | $166 | 22,731 |
| Ameren Illinois Company Investor Owned · serves Franklin | 17.9¢ Jan–Aug 2026 | $130 | 1,060,894 |
| Tri-County Electric Coop, Inc. (IL) Cooperative · serves Franklin | 16.0¢ 2024 | $190 | 16,197 |
| Egyptian Electric Coop Assn Cooperative · serves Franklin | 15.5¢ 2024 | $175 | 13,707 |
| Wayne-White Counties Elec Coop Cooperative · serves Franklin | 16.6¢ 2024 | $174 | 11,957 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Franklin; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Illinois price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the East North Central region, which includes Illinois, Indiana, Michigan, Ohio, Wisconsin.
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions about 62840
How much does electricity cost in 62840?
About 14.5¢ per kWh for homes (Southeastern IL Elec Coop, Inc., 2024 average, EIA). At 900 kWh a month that is roughly $130.
Who is the electric utility for 62840?
Southeastern IL Elec Coop, Inc., with about 22,731 residential customers in Illinois; 4 other utilities also serve parts of the area.
Is electricity in IL getting more expensive?
The Illinois residential average was 19.3¢ per kWh in August 2026, up 7.2% from a year earlier; the U.S. average was 18.2¢.
Can I choose my electricity supplier in IL?
Illinois allows retail electricity choice for many households; the local utility still delivers the power.