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 *
  First Reserve GP XI, Inc.
2. Date of Event Requiring Statement (Month/Day/Year)
06/19/2013
3. Issuer Name and Ticker or Trading Symbol
INERGY L P [NRGY]
(Last)
(First)
(Middle)
C/O FIRST RESERVE, ONE LAFAYETTE PLACE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

GREENWICH, CT 06830
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 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)
Common Units 52,000 (1)
I
See Footnote (1)

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
First Reserve GP XI, Inc.
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X      
First Reserve GP XI, L.P.
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X      
MACAULAY WILLIAM E
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X      
FR Midstream Holdings LLC
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X      
FR XI CMP Holdings LLC
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X      
Crestwood Holdings Partners, LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X      
Crestwood Holdings II LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X      
Crestwood Holdings LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X      
Crestwood Gas Services Holdings LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X      

Signatures

/s/ Michael France, Managing Director for First Reserve GP XI, Inc. 06/19/2013
**Signature of Reporting Person Date

/s/ Anne E. Gold, Attorney-in-Fact for William E. Macaulay 06/19/2013
**Signature of Reporting Person Date

/s/ Michael France, Managing Director for First Reserve GP XI, Inc. the General Partner of First Reserve GP XI, L.P. 06/19/2013
**Signature of Reporting Person Date

/s/ Michael France, Managing Director for First Reserve GP XI, Inc., the General Partner of First Reserve GP XI, L.P., the Managing Member of FR Midstream Holdings LLC 06/19/2013
**Signature of Reporting Person Date

/s/ Michael France, Managing Director for First Reserve GP XI, Inc., the General Partner of First Reserve GP XI, L.P., the Managing Member of FR Midstream Holdings LLC, the Managing Member of FR XI CMP Holdings LLC 06/19/2013
**Signature of Reporting Person Date

/s/ Kelly J. Jameson, Senior Vice President for Crestwood Holdings Partners, LLC 06/19/2013
**Signature of Reporting Person Date

/s/ Kelly J. Jameson, Senior Vice President for Crestwood Holdings II LLC 06/19/2013
**Signature of Reporting Person Date

/s/ Kelly J. Jameson, Senior Vice President for Crestwood Holdings LLC 06/19/2013
**Signature of Reporting Person Date

/s/ Kelly J. Jameson, Senior Vice President for Crestwood Gas Services Holdings LLC 06/19/2013
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) 52,000 Common Units are directly owned by KA First Reserve, LLC. FR Midstream Holdings LLC owns a majority of the membership interests in KA First Reserve, LLC and controls the board of managers of KA First Reserve, LLC. First Reserve GP XI, L.P. is the managing member of FR Midstream Holdings LLC. First Reserve GP XI, Inc. is the sole general partner of First Reserve GP XI, L.P. FR Midstream Holdings LLC, is the sole member of FR XI CMP Holdings LLC, which is the controlling member of Crestwood Holdings Partners, LLC. Crestwood Holdings Partners, LLC is the sole member of Crestwood Holdings II LLC, which is the sole member of Crestwood Holdings LLC, which is the sole member of Crestwood Gas Services Holdings LLC. William E. Macaulay is a director of First Reserve GP XI, Inc. and has the right to appoint a majority of the board of directors of First Reserve GP XI, Inc.
 
Remarks:
This Form 3 is being filed in connection with the consummation of the transactions contemplated by that certain Purchase and Sale Agreement, dated May 5, 2013, by and among Crestwood Holdings LLC, Crestwood Gas Services Holdings LLC, Inergy Holdings GP, LLC and NRGP Limited Partner GP, LLC, pursuant to which Crestwood Holdings LLC and Crestwood Gas Services Holdings LLC acquired Inergy Holdings, L.P., which is the sole member of Inergy GP, LLC, which is the general partner of the Issuer.

The Reporting Persons disclaim beneficial ownership of the securities reported on this Form 3 except to the extent of their pecuniary interest therein, if any, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of these securities for purposes of Section 16 or for any other purpose.
Exhibit 24  -  Power of Attorney

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