Electricity rates in 66538 — Seneca, KS
Homes in ZIP 66538 pay about 15.4¢ per kWh (Evergy Kansas Central, Inc., Jan–Aug 2026). The Kansas average is 15.5¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 15.4¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 66538 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 66538
| Utility | Home price | Avg. bill | Customers in KS |
|---|---|---|---|
| Evergy Kansas Central, Inc. Investor Owned | 15.4¢ Jan–Aug 2026 | $121 | 341,806 |
| Nemaha-Marshall E C A, Inc. Cooperative · serves Nemaha County | 17.4¢ 2024 | $198 | 3,564 |
| Brown-Atchison E C A Inc. Cooperative · serves Nemaha County | 14.8¢ 2024 | $178 | 3,291 |
| City of Sabetha (KS) Municipal · serves Nemaha County | 10.0¢ 2024 | $199 | 1,905 |
| City of Seneca (KS) Municipal · serves Nemaha County | 9.4¢ 2024 | $230 | 1,195 |
| City of Centralia (KS) Municipal · serves Nemaha County | 11.8¢ 2024 | $137 | 278 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Nemaha County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
Kansas 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 66538
How much does electricity cost in 66538?
About 15.4¢ per kWh for homes (Evergy Kansas Central, Inc., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $139.
Who is the electric utility for 66538?
Evergy Kansas Central, Inc., with about 341,806 residential customers in Kansas; 5 other utilities also serve parts of the area.
Is electricity in KS getting more expensive?
The Kansas residential average was 15.5¢ per kWh in August 2026, up 5.6% from a year earlier; the U.S. average was 18.2¢.