Company: ENBSF
Filing Date: 2025-11-17
Form Type: 424B5
Source: 0001104659-25-112992
Chunk: 2

Company: ENBRIDGE INC
Filing Date: 2025-11-17
Form: 424B5
Chunk 2
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$   |     | -1 |     |      |     | % |     | US$   |     | -1 |
| Underwriting discounts           |     |      |     | % |     | US$   |     |    |     |          |     | % |     | US$   |     |    |     |      |     | % |     | US$   |     |    |
| Proceeds to us (before expenses) |     |      |     | % |     | US$   |     | -1 |     |          |     | % |     | US$   |     | -1 |     |      |     | % |     | US$   |     | -1 |

| (1) | Plus accrued interest, if any, from November               , 
 2025, if settlement occurs after that date.                  |

This prospectus supplement
and the accompanying base prospectus are not intended to constitute an offer to, and the Notes should not be purchased, held or otherwise
acquired by, a “specified foreign entity” as defined in Section 7701(a)(51)(B) of the Internal Revenue Code of 1986,
as amended (an “SFE”). By purchasing the Notes, any investor in the Notes (including all affiliated entities that participate
in such purchase) will be deemed to represent and warrant to us that it is not, and will not be, for its taxable year that includes the
date of the original issuance of the Notes, an SFE.

The underwriters expect to
deliver the Notes to the purchasers in book-entry form through the facilities of The Depository Trust Company and its direct and indirect
participants, including Euroclear Bank S.A./N.V., as operator of the Euroclear System (“Euroclear”), and Clearstream Banking,
société anonyme (“Clearstream”), on or about November ,
2025.

<div align='center'>Joint Book-Running Managers</div>

| Credit Agricole 
 CIB             | Deutsche Bank 
 Securities    | MUFG | SMBC Nikko | Truist     
 Securities |

<div align='center'>November ,
2025

IMPORTANT NOTICE ABOUT INFORMATION IN
THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS</div>

This document is in two parts.
The first part is this prospectus supplement, which describes the specific terms of the Notes. The second part, the accompanying prospectus,
gives more general