UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8−K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported) January 18, 2007

SOUTHERN UNION COMPANY

(Exact name of registrant as specified in its charter)

Delaware	1-6407	75-0571592
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

5444 Westheimer Road Houston, Texas (Address of principal executive offices) 77056-5306 (Zip Code)

Registrant's telephone number, including area code: (713) 989-2000

Check the appropriate box below if the Form 8−K/A filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act

(17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a−12 under the Exchange Act

(17 CFR 240.14a−12)

¨ Pre−commencement communications pursuant to Rule 14d−2(b) under the Exchange Act

(17 CFR 240.14d−2(b))

¨ Pre−commencement communications pursuant to Rule 13e−4(c) under the Exchange Act

(17 CFR 240.13e−4(c))

ITEM 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

Effective January 18, 2007, Julie H. Edwards, Senior Vice President, Corporate Development, resigned from the Company to pursue other opportunities. Ms. Edwards served as the Company's Chief Financial Officer from July 5, 2005 to November 1, 2006.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SOUTHERN UNION COMPANY

(Registrant)

Date: January 19, 2007/s/ Robert M. Kerrigan, III

Name: Robert M. Kerrigan, III

Title:Vice President - Assistant

General Counsel and Secretary