UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D. C. 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): May 8, 2013

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.)



3738 Oak Lawn Avenue Dallas, Texas (Address of principal executive offices)	75219 (Zip Code)

Registrant's telephone number, including area code: (214) 981-0700

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:



[ ]	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 7.01. Regulation FD Disclosure.

On May 8, 2013, Energy Transfer Partners, L.P. (“ETP”), the entity which owns 100% of ETP Holdco Corporation, which indirectly owns 100% of the equity interests of Southern Union Company (the “Company”), issued a press release after market close announcing its financial and operating results, including certain financial results of the Company, for the quarter ended March 31, 2013. A copy of ETP's press release is furnished as Exhibit 99.1 to this report and is incorporated herein by reference.

In accordance with General Instruction B.2 of Form 8-K, the information set forth in the attached Exhibit 99.1 is deemed to be “furnished” and shall not be deemed to be “filed” for purposes of Section 18 of the Exchange Act.



Item 9.01	Financial Statements and Exhibits.

(d) Exhibits. In accordance with General Instruction B.2 of Form 8-K, the information set forth in the attached Exhibit 99.1 is deemed to be “furnished” and shall not be deemed to be “filed” for purposes of Section 18 of the Exchange Act.

Exhibit No. Exhibit



99.1	Energy Transfer Partners, L.P. Press Release dated May 8, 2013

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 thereunto duly authorized.




	SOUTHERN UNION COMPANY
	(Registrant)
Date: May 8, 2013	By:	/s/ Robert M. Kerrigan, III
		Robert M. Kerrigan, III
		Vice President and Secretary

EXHIBIT INDEX

Exhibit No. Exhibit



99.1	Energy Transfer Partners, L.P. Press Release dated May 8, 2013

SOUTHERN UNION CO 8-K