Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

TRANSCANADA CORP

2. Date of Event Requiring Statement (MM/DD/YYYY) 7/1/2016

3. Issuer Name and Ticker or Trading Symbol

Columbia Pipeline Partners LP [CPPL]

(Last) (First) (Middle)

450 - 1ST STREET S.W.,

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director ___ X ___ 10% Owner
_____ Officer (give title below) _____ Other (specify below)

(Street)

CALGARY ALBERTA, A0 T2P 5H1

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

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)

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		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)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Subordinated units (limited partner interests)	⁽²⁾	⁽²⁾	Common units (limited partner interests)	46811398	⁽²⁾	I	By its subsidiary ⁽¹⁾

Explanation of Responses:
( 1)	This Form 3 is being filed jointly by TransCanada PipeLine USA Ltd. ("TransCanada USA"), TransCanada PipeLines Limited ("TPL") and TransCanada Corporation ("TransCanada"). The subordinated units are owned directly by Columbia Energy Group, a wholly owned subsidiary of Columbia Pipeline Group, Inc. ("CPG"). TransCanada USA wholly owns CPG; TPL wholly owns TransCanada USA; TransCanada wholly owns TPL. CPG became a wholly owned subsidiary of TransCanada USA through a merger between CPG and a wholly owned subsidiary of TransCanada USA that became effective on July 1, 2016, as described in CPG's Current Report on Form 8-K dated July 1, 2016.
( 2)	Each subordinated unit will convert into one common unit at the end of the subordination period described in the Registration Statement on Form S-1 (File No. 333-198990) of Columbia Pipeline Partners LP ("CPPL"). The subordinated units have no expiration date.

Remarks:
CPG has the right to appoint all of the directors of the Board of Directors of CPP GP LLC, the general partner of CPPL. Therefore, each reporting owner of this Form 3 may be deemed a director by deputization.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
TRANSCANADA CORP 450 - 1ST STREET S.W. CALGARY ALBERTA, A0 T2P 5H1	X	X
TransCanada PipeLine USA Ltd. 700 LOUISIANA STREET SUITE 700 HOUSTON, TX 77002	X	X
TRANSCANADA PIPELINES LTD 450 -1ST STREET SW P O BOX 1000 STATION M CALGARY ALBERTA, A0 T2P 5H1	X	X

Signatures
/s/Christine R. Johnston, Corporate Secretary of TransCanada Corp		2/22/2017
^** Signature of Reporting Person		Date
/s/Christine R. Johnston, Corporate Secretary of TransCanada Pipelines Ltd.		2/22/2017
^** Signature of Reporting Person		Date
/s/Jon A. Dobson, Corporate Secretary of TransCanada PipeLine USA Ltd.		2/22/2017
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.