Electricity rates in 51565 — Portsmouth, IA
Homes in ZIP 51565 pay about 11.8¢ per kWh (MidAmerican Energy 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 11.8¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 51565 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 51565
| Utility | Home price | Avg. bill | Customers in IA |
|---|---|---|---|
| MidAmerican Energy Co. Investor Owned | 11.8¢ Jan–Aug 2026 | $87 | 632,436 |
| Western Iowa Power Coop Cooperative · serves Shelby County | 15.3¢ 2024 | $209 | 5,600 |
| Atlantic Municipal Utilities Municipal · serves Shelby County | 7.1¢ 2024 | $230 | 4,687 |
| Harrison County Rrl Elec Coop Cooperative · serves Shelby County | 10.4¢ 2024 | $300 | 3,929 |
| Nishnabotna Valley R E C Cooperative · serves Shelby County | 9.5¢ 2024 | $455 | 3,727 |
| Harlan Municipal Utilities (IA) Municipal · serves Shelby County | 11.0¢ 2024 | $181 | 2,866 |
| City of Shelby (IA) Municipal · serves Shelby County | 10.1¢ 2024 | $135 | 359 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Shelby 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 51565
How much does electricity cost in 51565?
About 11.8¢ per kWh for homes (MidAmerican Energy Co., Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $106.
Who is the electric utility for 51565?
MidAmerican Energy Co., with about 632,436 residential customers in Iowa; 6 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¢.