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Electric Tariffs

* Please note that these tariffs are subject to change. We make every attempt possible to keep these tariffs current, but the tariffs listed below may not be the currently effective tariff. If you have a question about a tariff listed below, please call the South Dakota Public Utilities Commission at 605-773-3201 and we can verify whether that tariff is correct.

Black Hills Energy    MidAmerican Energy     Montana-Dakota Utilities
NorthWestern Energy     Otter Tail Power     Xcel Energy

Black Hills Power, Inc. dba Black Hills Energy

Title Sheet

Section 1

Section 2

Section 3

Section 3A

Section 3B

Section 3C

Section 4

Section 5

Section 6

Canceled Tariff Sheets (Not available to the public)

Electric Cost Adjustment (Current)

MidAmerican Energy Company

Title Sheet

Section 1

Section 2

Section 3

  • Residential Service Rate (Sheet Nos. 1, 2, 3)
  • Residential Water Heating Service (Sheet Nos. 4, 5, 6)
  • Residential Space Heating Service (Sheet Nos. 7, 8, 9)
  • Residential All Electric Service ( Sheet Nos. 10, 11, 12, 13)
  • General Energy Service (Sheet Nos. 14, 15)
  • General Energy Heat Service (Sheet Nos. 16, 17, 18)
  • General Demand Service (Sheet Nos. 19, 20, 21)
  • General Demand Heat Service (Sheet 22, 23, 24)
  • General Energy Separately Metered Space Heating Service (Sheet Nos. 25, 26, 27)
  • General Energy Separately Metered Water Heating Service (Sheet Nos. 28, 29)
  • Large Demand Secondary Service (Sheet Nos. 30, 31, 32)
  • Large Demand Secondary Heat Service (Sheet Nos. 33, 34, 35)
  • Municipal Water Pumping Service (Sheet Nos. 36, 37)
  • General Energy Service Public Authority (Sheet Nos. 38, 39)
  • Street and Area Lighting (Sheet Nos. 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
  • Residential Time-of-Use Service (Sheet Nos. 52, 53, 54)
  • General Energy Time-of-Use Service (Sheet Nos. 55, 56, 57)
  • General Demand Time-of-Use Service (Sheet Nos. 58, 59, 60)
  • Large Primary Demand Time-of-Use Service (Sheet Nos. 61, 62, 63)
  • Cogeneration & Small Power Production Facilities (Sheet Nos. 64, 65, 66, 67, 68, 69)
  • Electric Tax Adjustment (Sheet No. 70)
  • Transmission Cost Recovery (Sheet Nos. 71, 72, 73)
  • Reserved for Future Use (Sheet Nos. 74, 75, 75.10, 75.11, 75.12, 75.13) Not on file but Reserved for Future Use, 75.1, 75.2, 75.3, 75.4, 75.5, 75.4, 75.4, 75.4, 75.4,)
  • Energy Cost Adjustment (Sheet Nos. 76, 77, 78, 79)
  • Energy Efficiency Cost Recovery (Sheet Nos. 80, 80.1)
  • Step Increase Adjustment (Sheet No. 81)
  • Excess Facilities (Sheet Nos. 82, 83)
  • Standby and Supplementary Power Service (Sheet Nos. 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96)
  • Section 4

    Section 5

    Section 6

    Canceled Tariff Sheets (Not available to the public)

    Energy Cost Adjustment (Current and former rates)

    Customer Information Welcome Booklet

    Montana-Dakota Utilities Company

    Section 1

    Section 2

    Section 3

  • Residential Electric Service Rate 10 (Sheet No. 1)
  • Reserved for Future Use (Sheet No. 2)
  • Optional Time-Of-Day Residential Electric Service Rate 16 (Sheet Nos. 3, 3.1)
  • Reserved for Future Use (Sheet No. 4)
  • Small General Electric Service Rate 20 (Sheet Nos. 5, 5.1, 5.2)
  • Reserved for Future Use (Sheet Nos. 6, 7)
  • Outdoor Lighting Service Rate 24 (Sheet Nos. 8, 8.1)
  • Irrigation Power Service Rate 25 (Sheet Nos. 9, 9.1)
  • Optional Time-of-Day Small General Electric Service Rate 26 (Sheet Nos. 10, 10.1, 10.2)
  • Reserved for Future Use (Sheet Nos. 11, 12)
  • Large General Electric Service Rate 30 (Sheet Nos. 13, 13.1)
  • General Electric Space Heating Service Rate 32 (Sheet Nos. 14, 14.1)
  • Optional Time-of-Day Large General Electric Service Rate 33 (Sheet Nos. 15, 15.1, 15.2)
  • Firm Service Economic Development Rate 34 (Sheet Nos. 16, 16.1, 16.2)
  • Reserved for Future Use (Sheet Nos. 17, 18)
  • Street Lighting Service Rate 41 (Sheet Nos. 19, 19.1)
  • High Density Contracted Demand Response Rate 45 (Sheet Nos. 20, 20.1, 20.2)
  • Municipal Pumping Service Rate 48 (Sheet Nos. 21, 21.1)
  • Reserved for Future Use (Sheet Nos. 22, 23)
  • Residential Electric Dual Fuel Space Heating Service Rate 53 (Closed) (Sheet Nos. 24, 24.1)
  • Infrastructure Rider Rate 56 (Sheet Nos. 25, 25.1)
  • Environmental Cost Recovery Rider Rate 57 (Sheet No. 26)
  • Fuel and Purchased Power Adjustment Rate 58 (Sheet Nos. 27, 27.1, 27.2)
  • Transmission Cost Recovery Rider Rate 59 (Sheet Nos. 28, 28.1)
  • Reserved for Future Use (Sheet Nos. 29, 30, 31, 32, 33, 34)
  • Occasional Power Purchase Rate 95 Non-Time Differentiated (Sheet Nos. 35, 35.1)
  • Short-Term Power Purchase Rate 96 Time Differentiated (Sheet Nos. 36, 36.1)
  • Long-Term Power Purchase Rate 97 Time Differentiated (Sheet Nos. 37, 37.1)
  • Section 4

    Section 5

    Section 6

    Canceled Tariff Sheets (Not available to the public)

    Fuel Adjustment Clause (Current and former rates)

    NorthWestern Energy (NorthWestern Public Service Company)

    Section 1

    Section 2

    Section 3

  • Residential Service Rate No. 10 (Sheet No. 1)
  • Residential Service with Space Heating Rate No. 11 (Sheet Nos. 2, 2.1)
  • Residential Space Heating and Cooling Rate No. 14 (Sheet Nos. 3, 3.1)
  • Residential Dual-Fuel and Controlled Service Rate No. 15 (Sheet. Nos. 4, 4.1, 4.2)
  • Interruptible Irrigation Service Rate No. 16 (Sheet Nos. 5, 5.1)
  • Irrigation Service Rate No. 17 (Sheet Nos. 6, 6.1)
  • Sheet Left Blank Intentionally (Sheet Nos. 7, 7.1)
  • Reddy-Guard Rate No. 19 (Sheet Nos. 8, 8.1)
  • General Service Rate No. 21 (Sheet No. 9)
  • Commercial Water Heating Rate No. 23 (Sheet No. 10)
  • Commercial Space Heating and Cooling Rate No. 24 (Sheet Nos. 11, 11.1)
  • All-Inclusive Commercial Service Rate No. 25 (Sheet No. 12)
  • Sheet Left Blank Intentionally (Sheet No. 13)
  • Commercial and Industrial Service Rate No. 33 (Sheet No. 14, 14.1)
  • Large Commercial and Industrial Service Rate No. 34 (Sheet Nos. 15, 15.1)
  • Sheet Left Blank Intentionally (Sheet Nos. 16, 17, 18, 18.1)
  • Sheet Left Blank Intentionally (Sheet Nos. 19, 19.1, 20, 20.1)
  • Extended Service Rider Option L (Sheet Nos. 21, 21.1)
  • Sheet Left Blank Intentionally (Sheet No. 21.2)
  • Point to Point Distribution Only Service Rate No. 38 (Sheet No. 22)
  • Municipal Pumping Service Rate No. 41 (Sheet No. 23)
  • Sheet Left Blank Intentionally (Sheet No. 24)
  • Company or Customer Owned Highway, Street and Area Lighting Systems Rate No. 56 (Sheet Nos. 25, 25.1, 25.2)
  • Sheet Left Blank Intentionally (Sheet Nos. 26, 27)
  • Controlled Off Peak Service Rate No. 70 (Sheet Nos. 28, 28.1)
  • Sheet Left Blank Intentionally (Sheet No. 29)
  • Small Qualifying Facility Rider (Occasional delivery energy service) Rate No. 73 (Sheet Nos. 30, 30.1)
  • Small Qualifying Facility Rider (Time of delivery energy service) Rate No. 74 (Sheet Nos. 31, 31.1)
  • Sheet Intentionally Left Blank (Sheet Nos. 32)
  • Adjustment Clause (Sheet Nos. 33, 33a, 33b, 33.1)
  • Tax Adjustment Clause (Sheet No. 34)
  • Yankton Sioux Bill Crediting Program (Sheet No. 35)
  • Energy Efficiency Adjustment (Sheet No. 36)
  • Section 4

    Section 5

    Section 6

    Canceled Tariff Sheets (Not available to the public)

    Fuel Adjustment Clause (Current and former rates)

    Otter Tail Power Company

    Title Sheet

    Section 1

    Section 2

    Section 3

    Section 4

  • Metering and Service Installations (Section 4.01 - Sheet Nos. 1, 2, 3)
  • Meter Readings (Section 4.02 - Sheet No. 1)
  • Estimated Billing (Section 4.03 - Sheet No. 1)
  • Meter Testing and Meter Failure (Section 4.04 - Sheet No. 1)
  • Access to customer Premises (Section 4.05 - Sheet No. 1)
  • Establishing Demands (Section 4.06 - Sheet No. 1
  • Monthly Billing Period and Prorated Bills (Section 4.07 - Sheet No. 1)
  • Electric Service Bill - Identification of Amounts and Meter Reading (Section 4.08 - Sheet No. 1)
  • Billing Adjustments (Section 4.09 - Sheet 1)
  • Payment Policy (Section 4.10 - Sheet No. 1)
  • Even Monthly Payment (EMP) Plan (Section 4.11 - Sheet No. 1)
  • Summary Billing Service (Section 4.12 - Sheet No. 1)
  • Account History Charge (Section 4.13 - Sheet No. 1)
  • Combined Metering (Section 4.14. - Sheet No. 1)
  • Section 5

    Section 6

    Section 7

    Section 8

    Section 9

    Section 10

    Section 11

    Section 12

    Section 13

    Section 14

  • Voluntary Riders - Availability Matrix (Section 14.00 - Sheet No. 1)
  • Water Heating Control Rider (Section 14.01 - Sheet No. 1, 2)
  • Real Time Pricing Rider (Section 14.02 - Sheet 1, 2, 3, 4, 5)
  • Large General Service Rider (Section 14.03 - Sheet Nos. 1, 2, 3, 4 ,5, 6)
  • Controlled Service - Interruptible Load - CT Metering Rider (Large Dual Fuel) (Section 14.04 - Sheet Nos. 1, 2, 3, 4)
  • Controlled Service - Interruptible Load - Self-Contained Metering Rider (Small Dual Fuel) (Section 14.05 - Sheet Nos. 1, 2, 3)
  • Controlled Service - Deferred Load Rider (Thermal Storage) (Section 14.06 - Sheet Nos. 1, 2, 3)
  • Fixed Time of Service Rider (Fixed TOS) (Section 14.07 - Sheet Nos. 1, 2, 3)
  • Air Conditioning Control Rider (CoolSavings) (Section 14.08 - Sheet Nos. 1, 2)
  • Renewable Energy Rider (TailWinds Program) (Section 14.09 - Sheet No. 1)
  • Reserved for Future Use (Section 14.10 - Sheet No. 1; Section 14.11 - Sheet Nos. 1, 2, 3, 4)
  • Bulk Interruptible Service Application and Pricing Guidelines (Section 14.12 - Sheet Nos. 1, 2)
  • Economic Development Rider - Large General Service - Applications and Eligibility Requirements (Section 14.13 - Sheet Nos. 1, 2)
  • Section 15

    Section 16

    Canceled Tariff Sheets (Not available to the public)

    Fuel Adjustment Clause (Current and former rates)

    Xcel Energy (Northern States Power Company)

    Title Sheet

    Section 1

    Section 2

    Section 3

    Section 4

    Section 5

  • Rate Schedules - Table of Contents (Sheet No. 1)
  • Residential Service - Rate Code E01, E03 (Sheet No. 1.1)
  • Residential Time of Day Service - Rate Code E02, E03, E04 (Sheet Nos. 2, 3, 4, 5, 6)
  • Energy Controlled Service (Non-Demand Metered) Rate Code E10 (Sheet Nos. 7, 8)
  • Residential Heat Pump Service (Two Meter Rte) Rate Code E06 (Sheet Nos. 9, 10)
  • Limited Off Peak Service - Rate Code E11 (Sheet Nos. 11, 12)
  • No Sheet 13
  • Automatic Protective Lighting Service - Rate Code E12 (Sheet Nos. 14, 15)
  • No Sheets 16 through 20
  • Small General Service - Rate Code E13 (Sheet Nos. 21, 22)
  • Small General Time of Day Service - Rate Code E14 (Metered and Rate Code E18 (Unmetered) (Sheet Nos. 23, 24, 24.1)
  • General Service - Rate Code E15 (Sheet Nos. 25, 26, 27)
  • General Time of Day Service - Rate Code E16 (Sheet Nos. 28, 29, 30)
  • Peak Controlled Service - Rate Code E20 (Sheet Nos. 31, 32, 33)
  • Peak Controlled Time of Day Service - Rate Code E21 (Sheet Nos. 34, 35, 36, 37)
  • Rules for Application of Peak Controlled Service (Sheet Nos. 38, 39)
  • Energy Controlled Service -Rate Code E22 (Sheet Nos. 40, 41, 42, 43, 44, 45)
  • No Sheets 46 through 55
  • Street Lighting System Service - Rate Code E30 (Sheet No. 56)
  • Street Lighting Energy Service - Rate Code E31 (Sheet Nos. 57, 58)
  • Street Lighting Energy Service - Metered - Rate Code E32 (Sheet No. 59)
  • Rules for Application of Street Lighting Rates (Sheet Nos. 60, 61, 62)
  • Fire and Civil Defense Siren Service - Rate Code E40 (Sheet No. 63)
  • Fuel Clause Rider (Sheet Nos. 64, 64.1, 64.2)
  • Surcharge Rider (Sheet No. 65)
  • Residential Controlled Air Conditioning and Water Heating Rider (Sheet Nos. 66, 67)
  • Commercial and Industrial Controlled Air Conditioning Rider (Sheet Nos. 67.1, 67.2)
  • Standby Service Rider (Sheet 68, 68.1, 69, 70)
  • Transmission Cost Recovery Rider (Sheet No. 71)
  • Environmental Cost Recovery Rider (Sheet No. 72)
  • Demand Side Management Cost Adjustment Factor (Sheet No. 73)
  • Infrastructure Rider (Sheet Nos. 74, 75)
  • Interim Surcharge Rider (Sheet No. 76)
  • Section 6

    Section 7

    Section 8

    Section 9

    Canceled Tariff Sheets (Not available to the public)

    Fuel Adjustment Clause (Current and former rates)