Electricity rates in 52166 — Saint Lucas, IA
Homes in ZIP 52166 pay about 18.6¢ per kWh (Interstate Power and Light Co., Jan–Aug 2026). The Iowa average is 17.1¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 18.6¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 52166 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 52166
| Utility | Home price | Avg. bill | Customers in IA |
|---|---|---|---|
| Interstate Power and Light Co. Investor Owned | 18.6¢ Jan–Aug 2026 | $128 | 417,153 |
| Allamakee-Clayton El Coop, Inc. Cooperative · serves Fayette County | 16.5¢ 2024 | $182 | 9,962 |
| East-Central Iowa Rural Elec Coop Cooperative · serves Fayette County | 13.3¢ 2024 | $179 | 7,368 |
| MiEnergy Cooperative Cooperative · serves Fayette County | 16.9¢ 2024 | $165 | 6,006 |
| Butler County Rural Elec Coop (IA) Cooperative · serves Fayette County | 15.4¢ 2024 | $209 | 3,898 |
| City of Fairbank (IA) Municipal · serves Fayette County | 11.6¢ 2024 | $120 | 587 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Fayette County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Iowa 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 West North Central region, which includes Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota.
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 52166
How much does electricity cost in 52166?
About 18.6¢ per kWh for homes (Interstate Power and Light Co., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $167.
Who is the electric utility for 52166?
Interstate Power and Light Co., with about 417,153 residential customers in Iowa; 5 other utilities also serve parts of the area.
Is electricity in IA getting more expensive?
The Iowa residential average was 17.1¢ per kWh in August 2026, up 10.2% from a year earlier; the U.S. average was 18.2¢.