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South Dakota rates and regulatory information

Tariff

A tariff is a group of schedules filed with our regulatory commissions. Tariffs contain basic rates, supplemental rates or riders, and general terms and conditions for providing utility service.

Residential

Customers are billed according to one of three rate classes:

  • Residential: Rate class for customers with a single-family home with one meter.
  • Total electric: Rate class for customers with a single-family home with one meter, where electricity is the only source of energy.
  • Demand service: Rate class for customers with a single-family home with one meter and minimum usage of 1,000 kWh per month.

Commercial 

  • General service: Rate class for customers using electric service supplied at one point of delivery and for which no specific schedule is provided.
  • General service – total electric: Rate class for customers using electric service supplied at one point of delivery, where electricity is the only source of energy. Connected space-heating load is not less than 30 percent of the total connected load, and for which no specific schedule is provided.
  • General service – large: Rate class large power customers using their entire electric service requirements supplied at one point of delivery. Customers must agree to a billing capacity of 125+ kVA.

Customer stories

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