South Dakota Residential Rate Summary

The schedules in these tables do not include sales tax, adjustments, or riders, which may vary by month and state. For complete terms and other rates, such as outdoor lighting, farm service, or irrigation, see rates, rules, and regulations. South Dakota rates do not include any base energy charges and all energy charges are applied through the energy adjustment.

These are standard general service rates that apply to most household electrical use.

During a rate review an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota
Customer charge $9.75 $14.00 $10.00
Monthly minimum bill Customer + Facilities Customer Charge Customer Charge
Facilities charge $0.00 NA NA
Kilowatt-hour charge
June - September
10.540¢ 8.050¢ 7.594¢
Kilowatt-hour charge
October - May
8.640¢ 5.446¢ 6.252¢
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This tariff is available to residential customers on the Residential Service, RDC, or Farm Service Rates; and to commercial customers on the Small General Service Rate (less than 20 kW) and the General Service Rate. Participating eligible commercial customers may receive a monthly bill credit for each ton of connected cooling load.

Central cooling equipment will be cycled on a 15-minute on / 15-minute off schedule. Commercial customer dual stage air conditioners will be allowed to have the first stage run without interruption while the second stage will be shut off for the entire load management period.

Monthly bill credit may be prorated and applies June through September. Air conditioning may be cycled a maximum of 300 hours during the cooling season. During rate reviews an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota
Residential Monthly Credit June - September $8.25 $8.25 $8.25
Commercial Monthly Credit Per Ton June - September $6.00 $6.00 $6.00
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Customers on base residential, farm, or general commercial tariffs may receive a bill credit each month when direct control to water heating is configured. Water heaters may be controlled up to 14 hours a day.

  Minnesota        North Dakota South Dakota
Monthly Bill Credit $8.00 $8.00 $8.00
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This rate applies to water heaters that are metered separately and subject to controlled service. Water heaters may be controlled up to 14 hours a day.

During a rate review an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota
Customer charge $4.00 $4.00 $4.00
Monthly minimum bill Customer + facilities charges Customer + facilities charges Customer charge
Facilities charge $0.00 $2.00 $2.00
Kilowatt-hour charge
June - September
6.793¢ 3.078¢ 2.442¢
Kilowatt-hour charge
October - May
5.808¢ 2.661¢ 2.097¢
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This rate is available to residential customers with approved demand-control systems and applies to lighting, heating, water heating, cooking, refrigeration, air conditioning, and other general uses of electricity. The demand charge, measured in kilowatts, is based on a customer's highest one-hour winter-season demand reading during a control period in the most recent 12 months. Service may be controlled up to 14 hours a day.

During a rate review an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota
Customer charge $11.00 $20.10 $15.00
Monthly minimum bill Customer + Facilities + Demand
Charges
Customer + Demand Charges Customer + Demand Charges
Facility charge $0.00 NA NA
Demand charge/kW
June - September
$8.00 $8.00 $8.00
Demand charge/kW
October - May
$8.00 $8.00 $8.00
Kilowatt-hour charge
June - September
6.085¢ 3.379¢ 3.797¢
Kilowatt-hour charge
October - May
6.380¢ 3.461¢ 3.763¢
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Deferred Load

Rate codes: 195 (195P—penalty), 197 (197P—penalty)

This rider is for both residential and non-residential service to any approved permanently connected deferred loads. Such loads primarily are thermal storage, like underfloor heating or central-storage furnaces, and may include water heaters and heat pumps when deferred heating load is in use. Loads may be controlled up to 14 hours a day, as measured from midnight to midnight. Optional rate 195 allows for qualified summer-season loads such as a heat pump to be cycled 15 minutes on and 15 minutes off during control periods.

During a rate review an interim rate adjustment may be applied to the charges below.

  Minnesota North Dakota South Dakota
Customer charge $4.00 $8.80 $8.50
Monthly minimum bill Customer +
facilities charges
Customer +
facilities charges
Customer +
facilities charges
Facilities charge $8.00 $11.60 $11.00
Kilowatt-hour charge
June - September
6.551¢ 2.602¢ 2.406¢
Kilowatt-hour charge
October - May
6.523¢ 2.371¢ 2.192¢
Penalty charge
June - September
29.365¢ 35.916¢ 26.749¢
Penalty charge
October - May
18.678¢ 16.537¢ 17.205¢
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Dual Fuel - Small

Rate codes: 185 (185P—penalty), 190 (190P—penalty)

This is for permanently connected interruptible heating loads with an alternate fuel backup system that is served with self-contained (typical) metering. You also may include water heaters on this rate when other interruptible load is in use. Heating loads may be controlled up to 24 hours a day and water-heating loads may be controlled up to 14 hours a day. Rate 185 allows for air-source heat pump loads to be cycled 15 minutes on and 15 minutes off during summer control periods.

During rate reviews an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota
Customer charge $4.00 $8.50 $10.00
Monthly minimum bill Customer + facilities
charges
Customer + facilities
charges
Customer + facilities
charges
Facility charge $8.00 $11.70 $9.50
Kilowatt-hour charge
June - September
5.315¢ 0.911¢ 1.222¢
Kilowatt-hour charge
October - May
4.986¢ 0.850¢ 1.024¢
Penalty charge /kWh
June-September
40.055¢ 41.350¢ 26.749¢
Penalty charge /kWh
October-May
20.214¢ 17.038¢ 17.205¢
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Dual Fuel - Large

Rate codes: 165 (165P—penalty), 170 (170P—penalty); 168C, 169C

This tariff is for permanently connected interruptible heating loads with an alternate fuel backup system that is serviced by current transformer (CT) metering. You also may include water heaters on this rate when other qualified interruptible load is in use. Heating loads may be controlled up to 24 hours a day and water heating loads may be controlled up to 14 hours a day. The tariff does allow for short-duration cycling of qualified summer-season loads during control periods. To accommodate system controls, Option 2 permits up to 5% of off-peak-load use to remain in service during control periods. The penalty provision of the tariff is not intended as a buy-through option.

During rate reviews an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota

Option 1

Customer charge $7.00 $20.20 $15.00
Monthly minimum bill Customer +
facilities charges
Customer +
facilities charges
Customer +
facilities charges
Facilities charge 18.0¢/kW of annual max.
demand per month
76.0¢/kW of annual max.
demand per month
50.0¢/kW of annual max.
demand per month
Kilowatt-hour charge
June - September
4.574¢ 1.064¢ 1.192¢
Kilowatt-hour charge
October - May
4.350¢ 1.009¢ 0.999¢
Penalty charge/kWh
June - September
31.211¢ 41.350¢ 26.749¢
Penalty charge/kWh
October - May
14.075¢ 14.322¢ 17.205¢

Option 2

Customer charge $7.00 $20.20 $15.00
Monthly minimum bill Customer +
facilities charges
Customer +
facilities charges
Customer +
facilities charges
Facilities charge 18.0¢/kW of annual max.
demand per month
76.0¢/kW of annual max.
demand per month
50.0¢/kW of annual max.
demand per month
Kilowatt-hour charge
June - September
4.574¢ 1.064¢ 1.481¢
Kilowatt-hour charge
October - May
4.350¢ 1.009¢ 1.219¢
Control period demand charge
June- September
$10.56/kW $11.30/kW $10.84/kW
Control period demand charge
October - May
$8.56/kW $8.49/kW $6.64/kW
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Fixed Time of Delivery - CT Metering

Rate code: 302 (302P—penalty)

This is for permanently connected deferred loads with current transformer (CT) metering, primarily thermal-storage space heating or other approved loads. Energy is delivered between 10:00 p.m. and 6:00 a.m. All other hours of electric service are unauthorized and subject to penalty period kilowatt-hour charges. Penalty rates are not intended as buy-through options.

During rate reviews an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota
Customer charge $4.00 $6.70 $6.70
Monthly minimum bill Customer + facilities
charges
Customer + facilities
charges
Customer + facilities
charges
Facilities charge $24.00 $38.00 $32.00
Kilowatt-hour charge
June - September
2.703¢ 1.439¢ 0.968¢
Kilowatt-hour charge
October - May
3.280¢ 1.591¢ 1.014¢
Penalty charge/kWh
June - September
7.495¢ 6.736¢ 6.081¢
Penalty charge/kWh
October - May
5.233¢ 4.602¢ 4.761¢
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This is for permanently connected deferred loads with self-contained (typical) metering, primarily thermal-storage space heating or cooling, and other approved loads. Energy is delivered between 10:00 p.m. and 6:00 a.m. All other hours of electric service are unauthorized and subject to penalty period kilowatt-hour charges. Penalty rates are not intended as buy-through options.

During a rate review an interim rate adjustment may apply to the charges below.

  Minnesota North Dakota South Dakota
Customer charge $3.00 $6.70 $6.70
Monthly minimum bill Customer + facilities
charges
Customer + facilities
charges
Customer + facilities
charges
Facilities charge $4.00 $6.00 $6.00
Kilowatt-hour charge
June - September
2.703¢ 1.439¢ 0.968¢
Kilowatt-hour charge
October - May
3.280¢ 1.591¢ 1.014¢
Penalty charge/kWh
June - September
7.495¢ 6.736¢ 6.081¢
Penalty charge/kWh
October - May
5.233¢ 4.602¢ 4.761¢
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For more details on rates and regulations concerning your electric service contact our Customer Service Center or download the full text of our rates.