Electricity rates in 57548 — Lower Brule, SD
Homes in ZIP 57548 pay about 17.4¢ per kWh (Central Electric Coop, Inc. (SD), Jan–Aug 2026). The South Dakota average is 15.2¢ and the U.S. average 18.2¢ (Aug 2026).
What a month of electricity costs
Monthly cost at the average price of 17.4¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.
Where ZIP 57548 is
Outlined: ZIP code area · scroll or pinch to zoomUtilities serving 57548
| Utility | Home price | Avg. bill | Customers in SD |
|---|---|---|---|
| Central Electric Coop, Inc. (SD) Cooperative | 17.4¢ Jan–Aug 2026 | $201 | 6,483 |
| Dakota Energy Coop Inc. Cooperative | 15.3¢ 2024 | $246 | 3,224 |
| West Central Electric Coop Inc. (SD) Cooperative · serves Lyman County | 13.1¢ 2024 | $207 | 6,801 |
| Rosebud Electric Coop Inc. Cooperative · serves Lyman County | 13.1¢ Jan–Aug 2026 | $116 | 4,856 |
Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Lyman County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.
South Dakota 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 57548
How much does electricity cost in 57548?
About 17.4¢ per kWh for homes (Central Electric Coop, Inc. (SD), Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $156.
Who is the electric utility for 57548?
Central Electric Coop, Inc. (SD), with about 6,483 residential customers in South Dakota; 3 other utilities also serve parts of the area.
Is electricity in SD getting more expensive?
The South Dakota residential average was 15.2¢ per kWh in August 2026, up 9% from a year earlier; the U.S. average was 18.2¢.