Northern Natural Gas Company; Notice of Proposed Changes in FERC Gas Tariff

Take notice that on February 1, 2006, Northern Natural Gas Company (Northern) tendered for filing to become part of its FERC Gas Tariff, Fifth Revised Volume No. 1, the following tariff sheets, to become effective April 1, 2006:

2 Revised 72 Revised Sheet No. 50

2 Revised 73 Revised Sheet No. 51

2 Revised 36 Revised Sheet No. 52

2 Revised 72 Revised Sheet No. 53

24 Revised Sheet No. 54

2 Revised 20 Revised Sheet No. 56

2 Revised 31 Revised Sheet No. 60

2 Revised 11 Revised Sheet No. 60A

19 Revised Sheet No. 61

19 Revised Sheet No. 62

22 Revised Sheet No. 63

21 Revised Sheet No. 64

Northern states that the revised tariff sheets are being filed in accordance with sections 53A and 53B of Northern's Tariff. Northern further explains that this filing establishes the fuel and unaccounted for percentages to be in effect April 1, 2006 based on actual data for the respective periods.

Northern states that copies of the filing have been mailed to each of its customers and interested state commissions.

Any person desiring to intervene or to protest this filing must file in accordance with Rules 211 and 214 of the Commission's Rules of Practice and Procedure (18 CFR 385.211 and 385.214). Protests will be considered by the Commission in determining the appropriate action to be taken, but will not serve to make protestants parties to the proceeding. Any person wishing to become a party must file a notice of intervention or motion to intervene, as appropriate. Such notices, motions, or protests must be filed in accordance with the provisions of § 154.210 of the Commission's regulations (18 CFR 154.210). Anyone filing an intervention or protest must serve a copy of that document on the Applicant. Anyone filing an intervention or protest on or before the intervention or protest date need not serve motions to intervene or protests on persons other than the Applicant.

The Commission encourages electronic submission of protests and interventions in lieu of paper using the “eFiling” link at http://www.ferc.gov. Persons unable to file electronically should submit an original and 14 copies of the protest or intervention to the Federal Energy Regulatory Commission, 888 First Street, NE., Washington, DC 20426.

This filing is accessible online at http://www.ferc.gov,, using the “eLibrary” link and is available for review in the Commission's Public Reference Room in Washington, DC. There is an “eSubscription” link on the Web site that enables subscribers to receive e-mail notification when a document is added to a subscribed docket(s). For assistance with any FERC Online service, please e-mail FERCOnlineSupport@ferc.gov, or call (866) 208-3676 (toll free). For TTY, call (202) 502-8659.