Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Delaney Matthew F
2. Date of Event Requiring Statement (Month/Day/Year)
05/09/2016
3. Issuer Name and Ticker or Trading Symbol
Summit Midstream Partners, LP [SMLP]
(Last)
(First)
(Middle)
C/O ENERGY CAPITAL PARTNERS II, LP, 51 JOHN F. KENNEDY PARKWAY, SUITE 200
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
See Remarks
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SHORT HILLS, NJ 07078
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Delaney Matthew F
C/O ENERGY CAPITAL PARTNERS II, LP
51 JOHN F. KENNEDY PARKWAY, SUITE 200
SHORT HILLS, NJ 07078
  X     See Remarks

Signatures

/s/ Brock M. Degeyter, Attorney-in-Fact for Matthew F. Delaney 05/17/2016
**Signature of Reporting Person Date

Explanation of Responses:

No securities are beneficially owned

* If the form is filed by more than one reporting person, see Instruction 5(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).
 
Remarks:
The Reporting Person is a director of Summit Midstream GP, LLC, the general partner of the Issuer (the "General Partner"). The Issuer is managed by the directors and executive officers of the General Partner.
The Reporting Person also is an employee of Energy Capital Partners II, LLC, the general partner of the general partner of Energy Capital Funds II, LP and certain of its affiliates (collectively the "ECP
Entities"). The ECP Entities are affiliates of Summit Midstream Partners, LLC, which is the sole owner of the General Partner. The Reporting Person is not deemed to beneficially own, and disclaims any
beneficial ownership of, any common units or subordinated units of the Issuer held by the General Partner or Summit Midstream Partners, LLC.
Exhibit List: Exhibit 24 - Power of Attorney.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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