US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

NewInsight: Investor-owned utilities charge 23% more for power

South Dakota

Watertown Municipal Utilities electricity rates

What homes pay Watertown Municipal Utilities for electricity, from EIA.

Municipal utility, 11,822 homes in South Dakota. EIA lists it as Watertown Municipal Utilities.

Headlines

Average price
9.4¢ a kWh
Up 1.7% on a year ago
Average bill
$84 a month
Up 1.9% on a year ago
Average use
890 kWh
A month. South Dakota 983 kWh
Price rank in South Dakota
8 of 8
1 is the most expensive

Over the 12 months to August 2026, Watertown Municipal Utilities homes paid 9.4¢ a kWh, against 14.3¢ across South Dakota.

Watertown Municipal Utilities vs South Dakota

Watertown Municipal UtilitiesSouth Dakota
Average price, 12 months to August 20269.4¢14.3¢
Price in August 20269.3¢15.2¢
Average monthly bill, 12 months$84$140
Bill in August 2026$93$160
Average monthly use890 kWh983 kWh
Price change, past year+1.7%+8.2%
Price change since 2019+4.8%+24%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including August 2026

Source: EIA-861M monthly utility survey. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month.

Up to and including August 2026

Source: EIA-861M monthly utility survey.