Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
TW Southcross Aggregator LP
   2. Issuer Name and Ticker or Trading Symbol
Southcross Energy Partners, L.P. [SXE] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
2021 MCKINNEY AVE., SUITE 1250		 3. Date of Earliest Transaction (Month/Day/Year)
11/11/2017
(Street)

DALLAS, TX 75201		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Class B Convertible Units (1) 11/11/2017   J(1)   315,370     (1)   (1) Common Units (Limited Partnership Interests) (1) (1) 18,335,181 I By Southcross Holdings Borrower LP

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
TW Southcross Aggregator LP
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
TW/LM GP Sub, LLC
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
TAILWATER ENERGY FUND I, LP
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
TW GP EF-1, LP
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
TW GP EF-1 GP, LLC
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
TW GP Holdings, LLC
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
Tailwater Holdings, LP
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
Tailwater Capital LLC
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
Downie Jason H
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        
Herring Edward
2021 MCKINNEY AVE.
SUITE 1250
DALLAS, TX 75201		        

Signatures

 TW Southcross Aggregator LP, a Delaware limited partnership By: TW/LM GP Sub, LLC, its General Partner By: /s/ Brian Blakeman, Vice President Tax & Finance   11/13/2017
**Signature of Reporting Person Date
 TW/LM GP Sub. LLC, a Texas limited liability company By: /s/ Brian Blakeman, Vice President Tax & Finance   11/13/2017
**Signature of Reporting Person Date
 Tailwater Energy Fund I LP, a Delaware limited partnership By: TW GP EF-I, LP, its General Partner By: TW GP EF-I GP, LLC, its General Partner By: /s/ Brian Blakeman, Vice President Tax & Finance   11/13/2017
**Signature of Reporting Person Date
 TW GP EF-I, LP, a Delaware limited partnership By: TW GP EF-I GP, LLC, its General Partner By: /s/ Brian Blakeman, Vice President Tax & Finance   11/13/2017
**Signature of Reporting Person Date
 TW GP EF-I GP, LLC, a Texas limited liability company By: /s/ Brian Blakeman, Vice President Tax & Finance   11/13/2017
**Signature of Reporting Person Date
 TAILWATER HOLDINGS, LP, a Delaware limited partnership By: TW GP Holdings, LLC, its General Partner By: /s/ Brian Blakeman, Vice President   11/13/2017
**Signature of Reporting Person Date
 TW GP HOLDINGS, LLC, a Texas limited liability company By: /s/ Brian Blakeman, Vice President   11/13/2017
**Signature of Reporting Person Date
 TAILWATER LLC, a Texas limited liability company By: /s/ Brian Blakeman, Vice President Tax & Finance   11/13/2017
**Signature of Reporting Person Date
 /s/ Jason H. Downie   11/13/2017
**Signature of Reporting Person Date
 /s/ Edward Herring   11/13/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Class B Convertible Units were acquired by Southcross Holdings Borrower LP ("Borrower") as a payment-in-kind distribution on outstanding Class B Convertible Units pursuant to the Issuer's Third Amended and Restated Agreement of Limited Partnership dated August 4, 2014 (the "Partnership Agreement"). The Class B Convertible Units convert into Common Units at the Class B Conversion Rate (as defined in the Partnership Agreement) on the Class B Conversion Date (as defined in the Partnership Agreement).
 
Remarks:
See Exhibit 99.1

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