EIA data through August 2026 · updated 2026-10-29

Electricity rates in 57073 — Wakonda, SD

Homes in ZIP 57073 pay about 14.6¢ per kWh (Southeastern Electric Coop Inc. (SD), Jan–Aug 2026). The South Dakota average is 15.2¢ and the U.S. average 18.2¢ (Aug 2026).

Avg. home price14.6¢per kWh
UtilitySoutheastern Electric Coop Inc. (SD)
SD average15.2¢Aug 2026
U.S. average18.2¢Aug 2026
Avg. monthly bill$1401,128 kWh/month, 2024

What a month of electricity costs

500 kWh / month$73
900 kWh / month$131
1,200 kWh / month$175

Monthly cost at the average price of 14.6¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Where ZIP 57073 is

Outlined: ZIP code area · scroll or pinch to zoom

Utilities serving 57073

UtilityHome priceAvg. billCustomers in SD
Southeastern Electric Coop Inc. (SD)
Cooperative
14.6¢
Jan–Aug 2026
$14020,160
City of Vermillion (SD)
Municipal · serves Clay County
11.6¢
2024
$1385,034
Clay-Union Electric Corp
Cooperative · serves Clay County
10.9¢
2024
$1863,895

Utilities are matched to this ZIP code by NREL’s ZIP–utility table and the EIA service-territory list for Clay County; county matches may serve only part of the area. Prices are each utility’s average residential revenue per kWh.

South Dakota price trend

9¢12¢15¢18¢20222023202420252026South Dakota averageU.S. averageSoutheastern Electric Coop Inc. (SD) 9¢12¢15¢18¢20222023202420252026South Dakota averageU.S. averageSoutheastern Electric Coop Inc. (SD)
South Dakota averageU.S. averageSoutheastern Electric Coop Inc. (SD)
Aug 202615.2¢per kWh
vs. 1 year ago+9%13.9¢
vs. 5 years ago+18.4%12.8¢
Record high15.7¢May 2026
Avg. home bill$1601,057 kWh, Aug
EIA forecast, West North Central13.1¢Dec 2027

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 57073

How much does electricity cost in 57073?

About 14.6¢ per kWh for homes (Southeastern Electric Coop Inc. (SD), Jan–Aug 2026, EIA). At 900 kWh a month that is roughly $131.

Who is the electric utility for 57073?

Southeastern Electric Coop Inc. (SD), with about 20,160 residential customers in South Dakota; 2 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¢.