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Natural Gas 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.

MidAmerican Energy     Montana-Dakota Utilties
NorthWestern Energy     South Dakota Intrastate Pipeline

MidAmerican Energy Co.

Title Sheet

Section 1

Section 2

Section 3

Section 3A

Section 4

Section 5

Section 6

Cancelled Tariff Sheets (Not available to the public)

Montana-Dakota Utilities Co.

Title Sheet

Section 1

Section 2

Section 3

  • Sheet 1
  • Sheet 2
  • Sheet 2.1
  • Sheet 3 - Reserved for Future Use
  • Sheet 4 - Reserved for Future Use
  • Sheet 5
  • Sheet 5.1
  • Sheet 7
  • Sheet 7.1
  • Sheet 8 - Reserved for Future Use
  • Sheet 9 - Reserved for Future Use
  • Sheet 10 - Reserved for Future Use
  • Sheet 11
  • Sheet 11.1
  • Sheet 12
  • Sheet 12.1
  • Sheet 12.2
  • Sheet 13
  • Sheet 13.1
  • Sheet 14 - Reserved for Future Use
  • Sheet 15 - Reserved for Future Use
  • Sheet 16 - Reserved for Future Use
  • Sheet 17
  • Sheet 17.1
  • Sheet 18 - Reserved for Future Use
  • Sheet 19 - Reserved for Future Use
  • Sheet 20 - Reserved for Future Use
  • Sheet 21 - Reserved for Future Use
  • Sheet 22
  • Sheet 22.1
  • Sheet 22.2
  • Sheet 22.3
  • Sheet 22.4
  • Sheet 22.5
  • Sheet 22.6
  • Sheet 22.7
  • Sheet 22.8
  • Sheet 23 - Reserved for Future Use
  • Sheet 24 - Reserved for Future Use
  • Sheet 25 - Reserved for Future Use
  • Sheet 26
  • Sheet 26.1
  • Sheet 26.2
  • Sheet 27
  • Sheet 27.1
  • Sheet 27.2
  • Sheet 27.3
  • Sheet 27.4
  • Sheet 27.5
  • Sheet 27.6
  • Sheet 27.7
  • Sheet 28
  • Sheet 28.1
  • Sheet 29
  • Sheet 29.1
  • Sheet 29.2
  • Sheet 29.3
  • Sheet 29.4
  • Sheet 29.5
  • Sheet 30
  • Sheet 30.1
  • Sheet 30.2
  • Sheet 30.3
  • Sheet 30.4
  • Sheet 30.5
  • Sheet 31
  • Section 4

    Section 5

  • Sheet 1
  • Sheet 1.1
  • Sheet 1.2
  • Sheet 1.3
  • Sheet 1.4
  • Sheet 1.5
  • Sheet 1.6
  • Sheet 1.7
  • Sheet 1.8
  • Sheet 1.9
  • Sheet 1.10
  • Sheet 1.11
  • Sheet 1.12
  • Sheet 1.13
  • Sheet 1.14
  • Sheet 1.15
  • Sheet 1.16
  • Sheet 1.17
  • Sheet 1.18
  • Sheet 1.19
  • Sheet 2 - Reserved for Future Use
  • Sheet 3
  • Sheet 4 - Reserved for Future Use
  • Sheet 5 - Reserved for Future Use
  • Sheet 6 - Reserved for Future Use
  • Sheet 7 - Reserved for Future Use
  • Sheet 8 - Reserved for Future Use
  • Sheet 9 - Reserved for Future Use
  • Sheet 10 - Reserved for Future Use
  • Sheet 11 - Reserved for Future Use
  • Sheet 12 - Reserved for Future Use
  • Sheet 13 - Reserved for Future Use
  • Sheet 14 - Reserved for Future Use
  • Sheet 15 - Reserved for Future Use
  • Sheet 16 - Reserved for Future Use
  • Sheet 17 - Reserved for Future Use
  • Sheet 18 - Reserved for Future Use
  • Sheet 19
  • Sheet 19.1
  • Sheet 20
  • Sheet 20.1
  • Sheet 20.2
  • Sheet 20.3
  • Sheet 20.4
  • Sheet 20.5
  • Sheet 21 - Reserved for Future Use
  • Sheet 22 - Reserved for Future Use
  • Sheet 23 - Reserved for Future Use
  • Sheet 24
  • Sheet 25 - Reserved for Future Use
  • Sheet 26 - Reserved for Future Use
  • Sheet 27 - Reserved for Future Use
  • Sheet 28 - Reserved for Future Use
  • Sheet 29 - Reserved for Future Use
  • Sheet 30 - Reserved for Future Use
  • Sheet 31 - Reserved for Future Use
  • Sheet 32 - Reserved for Future Use
  • Sheet 33 - Reserved for Future Use
  • Sheet 34
  • Sheet 34.1
  • Sheet 34.2
  • Sheet 34.3
  • Section 6

    Cancelled Tariff Sheets (Not available to the public)

    NorthWestern Energy (NorthWestern Public Service Co.)

    South Dakota Intrastate Pipeline Co.