Company: FORFF
Filing Date: 2025-08-01
Form Type: 6-K
Source: 0001666175-25-000042
Chunk: 1

Company: Fortis Inc.
Filing Date: 2025-08-01
Form: 6-K
Chunk 1
---
 notes thereto |
|:--------|:----|:-----------------------------------------------------------------------------------------------------------------------------------------------------------|
| 99.3    |     | Management Discussion and Analysis of financial condition and results of operations of Fortis Inc. as at and for thesixmonths endedJune30, 2025            |

### SIGNATURES
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: August 1, 2025 |     | Fortis Inc.          
 (Registrant)         
 /s/ Jocelyn H. Perry |     |                                                   |
|:---------------------|:----|:---------------------|:----|:--------------------------------------------------|
|                      |     | By:                  |     | Jocelyn H. Perry                                  |
|                      |     | Title:               |     | Executive Vice President, Chief Financial Officer |