Company: FORFF
Filing Date: 2025-07-07
Form Type: 6-K
Source: 0001171843-25-004338
Chunk: 0

Company: Fortis Inc.
Filing Date: 2025-07-07
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16
OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of July, 2025

Commission File Number: 001-37915

Fortis Inc.

Fortis Place, Suite 1100
5 Springdale Street
St. John's, Newfoundland and Labrador
Canada, A1E 0E4

(Address of Principal Executive Office)</div>

Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F: Form 20-F ☐ Form 40-F ☒

<div align='center'>EXHIBITS</div>

<div align='center'>SIGNATURES</div>

Pursuant to the requirements of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: July 7, 2025 | Fortis Inc.       
 (Registrant)      
 /s/ James R. Reid |                                                                  |
|:-------------------|:------------------|:-----------------------------------------------------------------|
|                    | By:               | James R. Reid                                                    |
|                    | Title:            | Executive Vice President, Sustainability and Chief Legal Officer |