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
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  Neiles Byron C
2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2018
3. Issuer Name and Ticker or Trading Symbol
ENBRIDGE INC [ENB]
(Last)
(First)
(Middle)
C/O ENBRIDGE INC., 200, 425 1ST STREET SW
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
See Remarks
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CALGARY, A0 T2P 3L8
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)
Common Shares 64,417
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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.

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
Stock Option (right to buy)   (1) 02/25/2019 Common Shares 64,000 $ 19.805 (11) D  
Stock Option (right to buy)   (1) 02/16/2020 Common Shares 42,800 $ 23.295 (11) D  
Stock Option (right to buy)   (1) 02/14/2021 Common Shares 83,000 $ 28.775 (11) D  
Stock Option (right to buy)   (1) 03/02/2022 Common Shares 83,850 $ 38.34 (11) D  
Stock Option (right to buy)   (1) 02/27/2023 Common Shares 87,800 $ 44.83 (11) D  
Stock Option (right to buy)   (2) 03/13/2024 Common Shares 91,850 $ 48.81 (11) D  
Stock Option (right to buy)   (3) 03/02/2025 Common Shares 88,070 $ 59.08 (11) D  
Stock Option (right to buy)   (4) 03/01/2026 Common Shares 96,750 $ 44.06 (11) D  
Stock Option (right to buy)   (5) 02/28/2027 Common Shares 93,300 $ 55.84 (11) D  
Performance Stock Units   (6)   (6) Common Shares 4,993.078 (7) $ (6) D  
Performance Stock Units   (8)   (8) Common Shares 2,603.4236 (7) $ (8) D  
Performance Stock Units   (8)   (8) Common Shares 6,246.0289 (7) $ (8) D  
Performance Stock Units   (9)   (9) Common Shares 5,874.2802 (7) $ (9) D  
Restricted Stock Units   (10)   (10) Common Shares 3,786.8128 (7) $ (10) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Neiles Byron C
C/O ENBRIDGE INC.
200, 425 1ST STREET SW
CALGARY, A0 T2P 3L8
      See Remarks  

Signatures

/s/ Vas Antoniou, attorney-in-fact 01/02/2018
**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) The options are fully vested.
(2) The options were granted on March 13, 2014 and vest in four equal annual installments.
(3) The options were granted on March 2, 2015 and vest in four equal annual installments.
(4) The options were granted on February 29, 2016 and vest in four equal annual installments.
(5) The options were granted on February 28, 2017 and vest in four equal annual installments.
(6) The units were granted on January 1, 2015 and will vest on December 31, 2017. The units represent a contingent right to receive in cash the value of one Enbridge Common Share based on pre-determined performance factors, with a maximum payment on settlement of 200% of the grant.
(7) Total includes the reinvestment of dividends and is rounded down.
(8) The units were granted on January 1, 2016 and will vest on December 31, 2018. The units represent a contingent right to receive in cash the value of one Enbridge Common Share based on pre-determined performance factors, with a maximum payment on settlement of 200% of the grant.
(9) The units were granted on January 1, 2017 and will vest on December 31, 2019. The units represent a contingent right to receive in cash the value of one Enbridge Common Share based on pre-determined performance factors, with a maximum payment on settlement of 200% of the grant.
(10) Each unit represents a contingent right to receive one Enbridge Common Share. The units were granted on January 1, 2017 and will vest on December 1, 2019, on the condition that the officer remain employed at Enbridge throughout that time.
(11) The exercise price is in Canadian dollars.
 
Remarks:
Executive Vice President, Corporate Services

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

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.