E7-6574. Northern Natural Gas Company; Notice of Negotiated Rates

April 3, 2007.

Take notice that on March 30, 2007, 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 proposed to be effective on April 1, 2007:

48 Revised Sheet No. 66

40 Revised Sheet No. 66A

Ninth Revised Sheet No. 66B

First Revised Sheet No. 66B.01

Northern also requests to change the name of WPS Energy Services, Inc. to Integrys Energy Services, Inc. as a result of the company changing its name.

Northern further 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 Section 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 on-line 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 [e-mail], or call [phone] (toll free). For TTY, call [phone].

Philis J. Posey,

Acting Secretary.