Company: FORFF
Filing Date: 2025-02-14
Form Type: 40-F
Source: 0001666175-25-000017
Chunk: 0

Company: Fortis Inc.
Filing Date: 2025-02-14
Form: 40-F
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549
<div align='center'>_______________________</div>

#### FORM 40-F
<div align='center'>☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934</div>

#### OR
<div align='center'>☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</div>

#### For the fiscal year ended December 31, 2024

#### Commission file number: 001-37915
<div align='center'>_______________________</div>

#### FORTIS INC.
<div align='center'>(Exact name of Registrant as specified in its charter)</div>

| Newfoundland and Labrador, Canada  |     |                                        4911 |     | 98-0352146                             |
| (Province of other jurisdiction of 
 incorporation or organization)     |     | -Primary Standard Industrial Classification 
                                 Code Number |     | -I.R.S. Employer Identification Number |

#### Fortis Place, Suite 1100

#### 5 Springdale Street

#### St. John '

#### s, Newfoundland and Labrador

#### Canada A1E 0E4
<div align='center'>( 709) 737-2800

(Address and telephone number of Registrant ' s principal executive offices)

_______________________</div>

#### CT Corporation System

#### 28 Liberty Street

#### New York, New York 10015
<div align='center'>( 212) 894-8940

(Name, address (including zip code) and telephone number (including area code) of agent for service in the United States)

Securities registered or to be registered pursuant to Section 12(b) of the Act:</div>

| Common Shares, without par value |     | FTS               |     | New York Stock Exchange               |
| (Title of each class)            |     | -Trading Symbol(s |     | -Name of exchange on which registered |

<div align='center'>Securities registered or to be registered pursuant to Section 12(g) of the Act:</div>

#### None
<div align='center'>(Title of Class)

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:</div>

#### None
<div align='center'>(Title