Regulatory Overview
Date Requested: Oct 23 2017 12:59 AM

This Regulatory section provides users with convenient access to Northern’s certificate applications and regulatory filings recently filed with the Federal Energy Regulatory Commission (FERC), Northern’s FERC approved tariff, tariff maps, recent tariff filings and orders on tariff filings distributing Northern’s recently FERC approved tariff revisions.

Certificate Filings
Section 7 certificate applications recently filed with the Federal Energy Regulatory Commission
Draft Tariff Filings
Draft tariff revisions are for customer review prior to filing with the Federal Energy Regulatory Commission
Orders on Tariff Filings
Notification of the Federal Energy Regulatory Commission orders on tariff filings and accepted tariff sheets, if applicable
Regulatory Filings
Northern's quarterly Form 3Q reports and annual Form 2 report filed with the Federal Energy Regulatory Commission
​​(This link will open a new browser and will direct users to Berkshire Hathaway Energy - Northern Natural Gas Company Regulatory Filings)
Tariff Filings
Proposed tariff revisions recently filed with the Federal Energy Regulatory Commission
Tariff Maps
Northern's system Tariff Maps
South Dakota Farm Taps
​Information for the landowners with farm tap easements and NorthWestern Energy as their local distribution company
Northern Natural Gas - Sixth Revised Tariff
  Currently effective Sixth Revised Volume No. 1 Tariff
  Recently filed and Pending tariff sheets
  Recently Approved tariff sheets
  Historical Superseded tariff sheets
  Search Northern's Sixth Revised Volume No. 1 Tariff
Northern Natural Gas - Fifth Revised Tariff
 Superseded Fifth Revised Volume No. 1 Tariff